1,296 results match your criteria Snapping Hip Syndrome


Surgical Repair of Dynamic Snapping Biceps Femoris Tendon.

Arthrosc Tech 2018 Nov 8;7(11):e1129-e1133. Epub 2018 Oct 8.

Steadman Philippon Research Institute, Vail, Colorado, U.S.A.

A snapping biceps tendon is an infrequently seen and commonly misdiagnosed pathology, leaving patients with persistent symptoms that can be debilitating. Patients will present with a visible, audible, and/or painful snap over the lateral aspect of their knee when performing squats, sitting in low seats, or participating in activities with deep knee flexion. A thorough knowledge of the anatomy is essential for surgical treatment of this pathology, which is caused by a detachment of the direct arms of the long and short heads of the biceps femoris off the fibular styloid. Read More

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November 2018

Recognizing and Managing Snapping Hip Syndrome in Dancers.

Med Probl Perform Art 2018 Dec;33(4):286-291

George Mason University, 10890 George Mason Circle, Manassas, VA 20110 USA. Tel 703-993-2123, fax 703-993-2060.

Background: Snapping hip syndrome (SHS) is a common hip pathology in dancers. SHS can be either internal or external, resulting from muscle tendon tightness from repetitive hip flexion and extension, accompanied with hip abduction and/or external rotation. Muscular tightness may cause the tendon to become taut and snap over a bony prominence during hip movement, leading to muscular weakness and reduced range of motion from pain. Read More

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December 2018

Ultrasound-Guided Therapeutic Scapulothoracic Interval Injections.

J Ultrasound Med 2018 Nov 25. Epub 2018 Nov 25.

Department of Radiology, Musculoskeletal Division, NYU Langone Health, New York, New York, USA.

Scapulothoracic pain is a common ailment, but the underlying cause can be difficult to diagnose in a timely manner, and treatment options are limited. We retrospectively review our experience using ultrasound-guided therapeutic scapulothoracic interval steroid injections to treat scapulothoracic pain and review correlative magnetic resonance imaging findings over a 5-year period. Although a variety of structural causes are known to cause scapulothoracic pain, in our experience, most cases lack correlative imaging findings. Read More

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November 2018
1 Read

Snapping Hip Syndrome.

Authors:

Orthop Nurs 2018 Nov/Dec;37(6):361-362

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November 2018
1 Read

Snapping Hip Syndrome.

Orthop Nurs 2018 Nov/Dec;37(6):357-360

Elizabeth Badowski, MSN, RN, CRNP, Department of Orthopedics, Nationwide Children's Hospital, Columbus, OH.

Coxa saltans, or snapping hip syndrome, is a common orthopaedic problem that can easily be diagnosed and treated when the proper evaluation and management are utilized. It is often seen in growing adolescents, athletes, and people with sudden increase in physical activity. A thorough physical examination will help decipher whether the snapping hip is intra-articular or extra-articular and will help guide treatment options. Read More

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November 2018
2 Reads

Calibration of vertical array tilt using snapping shrimp sound.

J Acoust Soc Am 2018 Sep;144(3):1203

Institute of Acoustics, Chinese Academy of Sciences, Beijing, 100190, China.

Snapping shrimp are the dominant biological source of high-frequency (>2 kHz) ambient noise in warm coastal waters. In a recent experiment, the highly impulsive signals produced by shrimp snaps were recorded continually by a large-aperture vertical array (56 m) that was bottom-moored in 100-m deep shallow water. Assuming the array vertical, initial localization of individual snaps based on wavefront curvature along the array indicated that all snaps came from either above or beneath the flat seabed. Read More

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September 2018

[Pain when flexing the elbows].

Ned Tijdschr Geneeskd 2018 Oct 16;163. Epub 2018 Oct 16.

Maastricht UMC+, afd. Orthopedische Chirurgie.

A 17-year-old boy presented with paraesthesia of the fourth and fifth finger and pain in both lower arms, radiating from the elbow down to the fingers. Symptoms were induced by flexing the elbows, concomitantly with a snapping ulnar nerve. There were no signs of tendinitis, or loss of strength or sensation. Read More

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October 2018

Snapping scapula syndrome: arthroscopic surgical treatment.

Rev Bras Ortop 2018 Nov-Dec;53(6):728-732. Epub 2018 Oct 10.

Grupo de Ombro e Cotovelo, Hospital Orthoservice, São José dos Campos, SP, Brazil.

Objectives: To evaluate the results of patients undergoing arthroscopic surgical treatment for snapping scapula syndrome.

Methods: This is a retrospective study of 11 patients undergoing scapulothoracic arthroscopy for the treatment of snapping scapula syndrome. The study included patients with clinical diagnosis of snapping scapula syndrome who did not show pain improvement after at least six months of physical therapy. Read More

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October 2018
9 Reads

A meta-analysis of airborne asbestos fiber concentrations from work with or around asbestos-containing floor tile.

Int J Occup Environ Health 2018 Jul - Oct;24(3-4):134-148. Epub 2018 Oct 25.

e Cardno ChemRisk , LLC , Pittsburgh , PA , USA.

In this meta-analysis, exposures to airborne asbestos during work with or around floor tiles were characterized according to several variables: study, sample type, activity, and task. Personal breathing zone, bystander, and area sample exposure concentrations were differentiated and compared against current occupational exposure limits to asbestos. In total, 22 studies, including 804 personal, 57 bystander, and 295 area samples, were included in the analysis. Read More

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October 2018
1 Read

Identification of a novel nidovirus as a potential cause of large scale mortalities in the endangered Bellinger River snapping turtle (Myuchelys georgesi).

PLoS One 2018 24;13(10):e0205209. Epub 2018 Oct 24.

Virology Laboratory, Elizabeth Macarthur Agriculture Institute, Menangle, New South Wales, Australia.

In mid-February 2015, a large number of deaths were observed in the sole extant population of an endangered species of freshwater snapping turtle, Myuchelys georgesi, in a coastal river in New South Wales, Australia. Mortalities continued for approximately 7 weeks and affected mostly adult animals. More than 400 dead or dying animals were observed and population surveys conducted after the outbreak had ceased indicated that only a very small proportion of the population had survived, severely threatening the viability of the wild population. Read More

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October 2018
4 Reads

Measurement and modelling of primary sex ratios for species with temperature-dependent sex determination.

J Exp Biol 2018 Oct 23. Epub 2018 Oct 23.

Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks St., Toronto, ON, M5S 3B2, Canada.

For many oviparous animals, incubation temperature influences sex through temperature-dependent sex determination (TSD). Although climate change may skew sex ratios in species with TSD, few available methods predict sex under natural conditions, fewer still are based on mechanistic hypotheses of development, and field tests of existing methods are rare. We propose a new approach that calculates the probability of masculinization (PM) in natural nests. Read More

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October 2018
3 Reads

gen. & sp. n., an outstanding drywood termite with snapping soldiers from Cameroon (Isoptera, Kalotermitidae).

Zookeys 2018 2(787):91-105. Epub 2018 Aug 2.

Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Prague, Czech Republic Okinawa Institute of Science & Technology Graduate University Tancha Japan.

Termites have developed a wide array of defensive mechanisms. One of them is the mandibulate soldier caste that crushes or pierces their enemies. However, in several lineages of Termitinae, soldiers have long and slender mandibles that cannot bite but, instead, snap and deliver powerful strikes to their opponents. Read More

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August 2018
2 Reads

Alpheus naranjo, a new brightly coloured snapping shrimp from the Caribbean coast of Panama (Malacostraca, Decapoda, Alpheidae).

Authors:
Arthur Anker

Zootaxa 2018 Jun 13;4433(3):574-582. Epub 2018 Jun 13.

Universidade Federal de Goiás, Campus Samambaia, Instituto de Ciências Biológicas, ICB-5, Avenida Esperança s/n, Goiânia, GO, 74690-900, Brazil.

A new snapping shrimp is described based on several specimens collected on a shallow coral reef off Isla Popa in Bocas del Toro, on the Caribbean coast of Panama. All specimens of Alpheus naranjo sp. nov. Read More

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June 2018
1 Read

A new deep-sea species of the snapping shrimp genus Alpheus Fabricius, 1798 (Decapoda: Caridea: Alpheidae) from Kagoshima Bay, Japan.

Zootaxa 2018 Jun 14;4434(1):99-110. Epub 2018 Jun 14.

Natural History Museum and Institute, Chiba, 955-2 Aoba-cho, Chuo-ku, Chiba, 260-8682 Japan..

A new species of the snapping shrimp genus Alpheus Fabricius, 1798, A. longipalma, is described and illustrated on the basis of material from Kagoshima Bay, Kyushu, Japan. It is referred to the A. Read More

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June 2018
1 Read

Iliopsoas snapping hip: improving the diagnostic value of magnetic resonance imaging with a novel parameter.

Skeletal Radiol 2018 Oct 2. Epub 2018 Oct 2.

Department of Orthopaedics, University of Rochester Medical Center, 601 Elmwood Ave, Rochester, NY, 14642, USA.

Objective: To illustrate an advanced imaging parameter that describes the course of the iliopsoas tendon, and evaluate its correlations with iliopsoas internal hip snapping syndrome.

Methods: This retrospective cohort study reviewed hip MRI images of all patients seen by a single surgeon between January 2015 and March 2016. The comparison group included all patients with clinical internal hip snapping, versus the control group that did not. Read More

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October 2018
1 Read

Antibacterial activities of plasma from the common (Chelydra serpentina) and alligator snapping turtle (Macrochelys temminckii).

J Exp Zool A Ecol Integr Physiol 2018 Oct 1. Epub 2018 Oct 1.

Department of Chemistry, McNeese State University, Lake Charles, Louisiana.

Innate immunity provides a fast-acting and nonspecific defense against microbial infection, and appears to have particular importance in the immune response of ectothermic vertebrates. Chelonians are a globally distributed and diverse group, yet little is known about their basic immune function. The chelonian family Chelydridae is made up of two genera (Chelydra and Macrochelys), represented in our study by the widespread common snapping turtle ( Chelydra serpentina; CST) and the southeast USA endemic alligator snapping turtle ( Macrochelys temminckii; AST). Read More

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October 2018

Phylogenetic origins for severe acetaminophen toxicity in snake species compared to other vertebrate taxa.

Comp Biochem Physiol C Toxicol Pharmacol 2019 Jan 27;215:18-24. Epub 2018 Sep 27.

Institute of Biology, University of Leiden, Leiden 2300 RA, the Netherlands.

While it has been known for a while that some snake species are extremely sensitive to acetaminophen, the underlying mechanism for this toxicity has not been reported. To investigate if essential detoxification enzymes are missing in snake species that are responsible for biotransformation of acetaminophen in other vertebrate species, livers were collected from a variety of snake species, together with samples from alligator, snapping turtle, cat, rat, and cattle. Subcellular fractions were analyzed for enzymatic activities of phenol-type sulfotransferase and UDP‑glucuronosyltransferase, total glutathione S‑transferase, and N‑acetyltransferase. Read More

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January 2019
2 Reads

Bioaccumulation of Methyl Siloxanes in Common Carp (Cyprinus carpio) and in an Estuarine Food Web in Northeastern China.

Arch Environ Contam Toxicol 2018 Sep 26. Epub 2018 Sep 26.

Department of Environmental Sciences and Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA.

Despite the high production volume and widespread use of methyl siloxanes, limited studies have been conducted to investigate the bioconcentration, biomagnification, and trophic magnification potentials of these substances. In the present study, bioconcentration factors (BCFs) of methyl siloxanes were determined with common carp exposed at environmental relevant levels for 32 days. BCF of octamethylcyclotetrasiloxane (D) was estimated as 6197 L/Kg, indicating strong bioconcentration potential in the common carp. Read More

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September 2018
1 Read
1.900 Impact Factor

Arthroscopic Technique for Iliopsoas Fractional Lengthening for Symptomatic Internal Snapping of the Hip, Iliopsoas Impingement Lesion, or Both.

Arthrosc Tech 2018 Sep 16;7(9):e915-e919. Epub 2018 Aug 16.

American Hip Institute, Chicago, Illinois, U.S.A.

Pathology of the iliopsoas may cause painful internal snapping of the hip or labral damage from soft impingement. Favorable outcomes have been reported after arthroscopic release or fractional lengthening of the iliopsoas. In patients with risk factors for instability, restoration of other soft-tissue constraints such as the labrum and capsule should be performed if iliopsoas fractional lengthening is undertaken. Read More

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September 2018
1 Read

Health Assessment of Free-Ranging Chelonians in an Urban Section of the Bronx River, New York.

J Wildl Dis 2018 Sep 18. Epub 2018 Sep 18.

3   Wildlife Conservation Society, Zoological Health Program, 2300 Southern Blvd., Bronx, New York 10460, USA.

The Bronx River in Bronx, New York spans an area of significant human development and has been subject to historic and ongoing industrial contamination. We evaluated the health of free-ranging native common snapping turtles ( Chelydra serpentina) and nonnative invasive red-eared sliders ( Trachemys scripta) in a segment of the Bronx River between May and July 2012. In 18 snapping turtles and nine sliders, complete physical examinations were performed, ectoparasites collected, and blood was analyzed for contaminants (mercury, thallium, cadmium, arsenic, lead, selenium, oxychlordane, alpha-chlordane, dieldrin, dichlorodiphenyldichloroethane [DDD], dichlorodiphenyldichloroethylene [DDE], polychlorinated biphenyls). Read More

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September 2018
8 Reads

Radial artery aneurysm secondary to dynamic entrapment by extensor pollicis longus tendon: a case of snapping thumb.

Skeletal Radiol 2018 Sep 13. Epub 2018 Sep 13.

Department of Radiology, St Paul's Hospital, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.

Aneurysms of the distal radial artery at the level of the wrist are rare. Most reported cases are posttraumatic, either from iatrogenic arterial puncture for radial arterial access or from a penetrating injury. Other causes include infection and connective tissue disorders. Read More

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September 2018
2 Reads

Partial Fibular Head Resection Technique for Snapping Biceps Femoris.

Arthrosc Tech 2018 Aug 23;7(8):e859-e862. Epub 2018 Jul 23.

Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia, U.S.A.

Snapping biceps femoris is a rare phenomenon in which the biceps femoris tendon subluxates over the fibular head when the leg is brought into deep flexion. Two primary pathologies have been identified: biceps insertion tears/anatomic variants and/or an enlarged fibular head. Often, it can be treated nonoperatively; however, if symptoms are severe enough and refractory to conservative treatments, the underlying pathology can be corrected surgically to alleviate symptoms. Read More

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August 2018
3 Reads

Rapid extraction of the hottest or coldest regions of medical thermographic images.

Med Biol Eng Comput 2018 Aug 20. Epub 2018 Aug 20.

School of Mechanical and Aerospace Engineering, College of Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.

Early detection of breast tumors, feet pre-ulcers diagnosing in diabetic patients, and identifying the location of pain in patients are essential to physicians. Hot or cold regions in medical thermographic images have potential to be suspicious. Hence extracting the hottest or coldest regions in the body thermographic images is an important task. Read More

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Colonization and usage of an artificial urban wetland complex by freshwater turtles.

PeerJ 2018 8;6:e5423. Epub 2018 Aug 8.

Department of Psychology, York University, Toronto, ON, Canada.

Conservation authorities invest heavily in the restoration and/or creation of wetlands to counteract the destruction of habitat caused by urbanization. Monitoring the colonization of these new wetlands is critical to an adaptive management process. We conducted a turtle mark-recapture survey in a 250 ha artificially created wetland complex in a large North American city (Toronto, Ontario). Read More

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August 2018
7 Reads

Substituted diphenylamine antioxidants and benzotriazole UV stabilizers in blood plasma of fish, turtles, birds and dolphins from North America.

Sci Total Environ 2019 Jan 30;647:182-190. Epub 2018 Jul 30.

Environment and Climate Change Canada, Canada Centre for Inland Waters, Burlington, ON L7S 1A1, Canada. Electronic address:

Substituted diphenylamine antioxidants (SDPAs) and benzotriazole UV stabilizers (BZT-UVs) are additives used in industrial and commercial applications to prevent degradation by oxidation and are contaminants of emerging environmental concern. Little is known about the fate of these contaminants in wildlife, particularly in reptiles, birds and marine mammals. Nine SDPAs and six BZT-UVs were measured in blood plasma of seven fish species, snapping turtles (Chelydra serpentina), double-crested cormorants (Phalacrocorax auritus), and bottlenose dolphins (Tursiops truncatus) from various locations in North America. Read More

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January 2019
2 Reads

Snapping Phenomenon after Revisional Total Knee Arthroplasty.

Indian J Orthop 2018 Jul-Aug;52(4):434-437

Department of Orthopedic Surgery, Veterans Health Service Medical Center, Seoul, South Korea.

The cases of revision total knee arthroplasty (TKA) are increasing. In this report, snapping phenomenon after final implantation of revision TKA has been presented. Snapping was caused by adhered iliotibial band (ITB) impinging against the lateral part of femoral component. Read More

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August 2018
1 Read

Snapping Biceps Femoris Tendon.

Am J Orthop (Belle Mead NJ) 2018 Jul;47(7)

Blanchfield Army Community Hospital, Fort Campbell, KY.

A 23-year-old male active duty soldier presented with a biceps femoris tendon snapping over the fibular head with flexion of the knee beyond 90°. Surgical release of anomalous anterolateral tibial and lateral fibular insertions provided relief of snapping with no other repair or reconstruction required. The soldier quickly returned to full running and active duty. Read More

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Does Iliopsoas Lengthening Adversely Affect Clinical Outcomes After Hip Arthroscopy? A Multicenter Comparative Study.

Am J Sports Med 2018 Sep 3;46(11):2624-2631. Epub 2018 Aug 3.

American Hip Institute, Westmont, Illinois, USA.

Background: Iliopsoas fractional lengthening (IFL) continues to be a controversial procedure in hip arthroscopy.

Hypothesis: Patients who underwent arthroscopic surgery for femoroacetabular impingement (FAI) and a labral tear either with or without IFL would experience favorable outcomes, and there would be no difference in postoperative patient-reported outcomes (PROs) between the 2 groups at minimum 2-year follow-up.

Study Design: Cohort study; Level of evidence, 3. Read More

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September 2018
2 Reads

Snapping of the annular ligament: a uncommon injury characterised by snapping or locking of the elbow with good surgical outcomes.

Knee Surg Sports Traumatol Arthrosc 2018 Aug 2. Epub 2018 Aug 2.

Department of Orthopedic Surgery, Amphia Hospital, Breda, The Netherlands.

Purpose: Snapping annular ligament is an uncommon cause of lateral elbow pain. The purpose of this case series was to evaluate the clinical presentation and surgical outcomes for snapping annular ligament.

Methods: Included were 23 patients with snapping annular ligament who received surgical treatment between 2007 and 2016. Read More

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August 2018
1 Read

Convective oxygen transport during development in embryos of the snapping turtle .

J Exp Biol 2018 Sep 24;221(Pt 18). Epub 2018 Sep 24.

Department of Biological Sciences, Developmental Integrative Biology Cluster, University of North Texas, Denton, TX 76203-5017, USA.

This study investigated the maturation of convective oxygen transport in embryos of the snapping turtle (). Measurements included: mass, oxygen consumption ( ), heart rate, blood oxygen content and affinity and blood flow distribution at 50%, 70% and 90% of the incubation period. Body mass increased exponentially, paralleled by increased cardiac mass and metabolic rate. Read More

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September 2018
14 Reads

Articular and peri-articular hip lesions in soccer players. The importance of imaging in deciding which lesions will need surgery and which can be treated conservatively?

Eur J Radiol 2018 Aug 20;105:227-238. Epub 2018 Jun 20.

Department of Diagnostic Imaging, "A.Cardarelli" Hospital, 80131 Naples, Italy. Electronic address:

Soccer is one of the most popular sports worldwide engaging millions of participants each year. During play, injuries occur rather frequently and most of them involve the hip joint and the surrounding structure. In professional athletes, injuries are often complex scenarios and in the case of misdiagnosis, patients' return to play is delayed or it may progress to a more serious injury with consequent damage for their career and for the soccer team. Read More

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August 2018
12 Reads

Snapping at the Lateral Aspect of the Elbow: A Case Report and Review of the Literature.

JBJS Case Connect 2018 Jul-Sep;8(3):e48

Department of Orthopaedic Surgery, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island.

Case: A 59-year-old man presented with snapping at the lateral aspect of the elbow and associated pain. Magnetic resonance imaging demonstrated extensor tendinopathy and thickening of the radial collateral ligament. Ultrasonography showed entrapment of a synovial fold in the radiohumeral joint. Read More

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July 2018
2 Reads

Sensory and motivational modulation of immediate and delayed defensive responses under dynamic threat.

J Neurosci Methods 2018 Sep 26;307:84-94. Epub 2018 Jun 26.

Department of Psychology, Korea University, South Korea. Electronic address:

Background: Despite the wide variations in defensive behaviors displayed by rats during predator encounters, most laboratory studies have focused on a limited number of behaviors, such as immobility in a small enclosure. Other defensive behaviors such as withdrawal and avoidance have been less investigated.

New Method: Rats repeatedly encountered a fast threatening motion (snapping claws) of a robot predator. Read More

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September 2018
1 Read

External snapping hip: a systematic review of outcomes following surgical intervention: External snapping hip systematic review.

Hip Int 2018 Sep 15;28(5):468-472. Epub 2018 Jun 15.

Seton Hall University School of Health and Medical Sciences, South Orange, New Jersey, USA.

Purpose: To evaluate the outcomes of surgical management for external snapping hip in terms of: (1) recurrence; (2) complications; and (3) return to pre-injury activities.

Methods: A thorough review of 4 electronic databases- EMBASE, CINAHL Plus, PubMed, and Scopus was performed to find all relevant studies for this review that were published between January 2000 and January 2017 that addressed surgical treatment for external snapping hip. The following reports were excluded: (1) non-English manuscripts; (2) n ⩽ 5; (3) clinical reviews; (4) surgical technique notes; (5) studies only analysing diagnosis; and (6) nonoperative management studies. Read More

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September 2018

Comparison of arthroscopic versus open surgery on external snapping hip caused by gluteal muscle contracture.

Hip Int 2018 Mar;28(2):173-177

Department of Orthopaedics, The First Affiliated Hospital of University of South China, Hengyang, Hunan - China.

Purpose: To compare the outcomes of contracture release by arthroscopic versus open surgical approach in patients with external snapping hip (ESH) caused by gluteal muscle contracture (GMC).

Methods: Medical records of patients with ESH due to GMC who underwent open surgery (n = 44) or arthroscopic surgery (n = 48) between October 2008 and October 2014 were reviewed. Patients were followed up at 1, 3, 12, and 24 months postoperatively. Read More

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March 2018
2 Reads

[Research progress on clinical diagnosis and treatment for external snapping hip].

Zhongguo Gu Shang 2018 May;31(5):484-487

Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China;

External snapping hip(ESH) is a vague term used to describe palpable or auditory snapping with hip movements with or without pain. The pathogenesis of ESH is related to the specific anatomical structure and friction factor. The clinical symptom is auditory snapping during activities, physical examination, X-ray, magnetic resonance imaging(MRI), dynamic ultrasound and other imaging techniques can be used to diagnose. Read More

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May 2018
3 Reads

[Effectiveness of arthroscopy for synovial chondromatosis of hip joint].

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2017 Aug;31(8):897-901

Department of Orthopedics, General Hospital of Chinese PLA, Beijing, 100853, P.R.China.

Objective: To evaluate the effectiveness of arthroscopy for synovial chondromatosis of hip joint.

Methods: Between April 2012 and September 2015, 32 patients with synovial chondromatosis of hip joint were treated by arthroscopy. There were 19 males and 13 females, with an average age of 42. Read More

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Editorial Commentary: Caveat Flexor-To Release or Not to Release the Iliopsoas, That Is the Question.

Authors:
Joshua D Harris

Arthroscopy 2018 Jun;34(6):1851-1855

In nonarthritic patients with femoroacetabular impingement syndrome, borderline dysplasia, and symptomatic iliopsoas snapping, arthroscopic iliopsoas fractional lengthening carries a significant risk of postarthroscopic instability. The iliopsoas is a dynamic stabilizer of the anterior hip. Thus, although statistically significant and clinically important improvements in hip function have the potential to be achieved with iliopsoas fractional lengthening, surgeons must be supremely confident in their ability to perform a secure capsular plication, labral preservation (not debridement), comprehensive cam correction, avoidance of intra-abdominal fluid extravasation, release of all iliopsoas tendon bands (if bifid or trifid), and ensure that femoral version is normal or low, neck-shaft angle is not excessively valgus, the dysplasia magnitude is no more than mild, and that there is no excessive soft tissue hypermobility. Read More

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June 2018
2 Reads

US Assessment of Sports-related Hip Injuries.

Radiographics 2018 May-Jun;38(3):867-889

From the Department of Radiology (E.L., N.J.B.), Department of Medicine (J.M.), and Research Center (N.J.B.), Centre Hospitalier de l'Université de Montréal, 1000 rue Saint-Denis, Montreal, QC, Canada H2X 0C1.

Traumatic and overuse hip injuries occur frequently in amateur and professional athletes. After clinical assessment, imaging plays an important role in diagnosis and in defining care management of these injuries. Ultrasonography (US) is being increasingly used in assessment of hip injuries because of the wide availability of US machines, the lower cost, and the unique real-time imaging capability, which allows both static and dynamic evaluation as well as guidance of point-of-care interventions such as fluid aspiration and steroid injection. Read More

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October 2018
3 Reads

Osteochondroma of ventral scapula associated with chest pain due to rib cage compression: A case report.

Medicine (Baltimore) 2018 Apr;97(17):e0510

Department of Orthopaedic Surgery, Soonchunhyang University Hospital Seoul, Daesagwan-ro, Yongsan-gu, Seoul, Korea.

Rationale: The scapula is relatively rare site for osteochondroma. Scapula osteochondroma is usually asymptomatic, however it may present with features such as pseudowinging, snapping scapula, bursa formation, chronic pain, and cosmetic deformities. To our best knowledge, this is the first report in the English literature about osteochondroma of ventral scapula associated with chest pain due to rib cage compression. Read More

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April 2018
8 Reads
5.720 Impact Factor

Assessment of Blood Lead, Zinc, and Mercury Concentrations and Cholinesterase Activity in Captive-reared Alligator Snapping Turtles ( Macrochelys temminckii) in Louisiana, USA.

J Wildl Dis 2018 07 26;54(3):553-557. Epub 2018 Apr 26.

6 Department of Veterinary Clinical Sciences, Louisiana State University School of Veterinary Medicine, Skip Bertman Drive, Baton Rouge, Louisiana 70803, USA.

The alligator snapping turtle ( Macrochelys temminckii) is a freshwater apex predator that has experienced severe population declines throughout its range due to historical overharvesting and habitat degradation. Because of its long lifespan, high trophic level, and limited home range, it is a suitable sentinel species for monitoring environmental contaminants. In Louisiana, US a pilot program aims to augment free-ranging populations by releasing captive-reared individuals. Read More

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July 2018
9 Reads

Snapping elbow-A guide to diagnosis and treatment.

World J Orthop 2018 Apr 18;9(4):65-71. Epub 2018 Apr 18.

Section for Sportstraumatology M51, Bispebjerg-Frederiksberg Hospital, Copenhagen NV DK-2400, Denmark.

Aim: To develop practical guidelines for diagnosis and treatment of the painful snapping elbow syndrome (SE).

Methods: Clinical studies were searched in the databases PubMed and Scopus for the phrases "SE", "snapping triceps", "snapping ulnar nerve" and "snapping annular ligament". A total of 36 relevant studies were identified. Read More

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April 2018
5 Reads

Multi-scale structural design and biomechanics of the pistol shrimp snapper claw.

Acta Biomater 2018 Jun 21;73:449-457. Epub 2018 Apr 21.

Centre for Biomimetic Sensor Science, School of Materials Science and Engineering, Nanyang Technological University (NTU), 50 Nanyang Avenue, Singapore 639798, Singapore; School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore. Electronic address:

The Arthropoda, the largest phylum of the Animal Kingdom, have successfully evolved to survive various ecological constraints under a wide range of environmental conditions. Central to this survival are the structural designs developed in their exoskeletons and their raptorial appendages for protection and hunting. One such example, the pistol shrimp, is a shallow-water crustacean that is well-known for its aggressive hunting behavior, using its snapper claw to trigger the nucleation of cavitation bubbles that strike targets. Read More

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June 2018
4 Reads

Intrasheath Instability of the Peroneal Tendons: Dynamic Ultrasound Imaging.

J Ultrasound Med 2018 Dec 19;37(12):2753-2758. Epub 2018 Apr 19.

Postgraduate School in Radiodiagnostics, Università Degli Studi di Milano, Milan, Italy.

Peroneal intrasheath instability is a painful snapping condition of the lateral ankle. It consists of a transient retromalleolar subluxation of the peroneal tendons without disruption of the superior peroneal retinaculum or evidence of a previous definite trauma. In type A intrasheath instability, the peroneus longus and brevis tendons are intact, and there is an intertendinous intrasheath switch. Read More

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December 2018

Magnetic Resonance Imaging (MRI) of Snapping Scapula in a 10-Year-Old Boy.

Pol J Radiol 2017 17;82:685-687. Epub 2017 Nov 17.

Department of Radiology, Hacettepe University School of Medicine, Ankara, Turkey.

Background: Snapping scapula syndrome, also known as scapulothoracic crepitus or bursitis, is a manifestation of a mechanical abnormality of the scapulothoracic joint. In addition to characteristic findings on physical examination, magnetic resonance imaging (MRI) exquisitely reveals soft tissue changes such as muscle edema and scapulothoracic bursitis.

Case Report: We present a case of a 10-year-old boy who had snapping scapula syndrome of the right scapula that was associated with edema of the serratus anterior muscle at the scapulothoracic interface and with scapulothoracic, specifically supraserratus, bursitis on MRI. Read More

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November 2017
2 Reads

Arthroscopic Treatment of Iliopsoas Snapping in Patients With Radiographic Acetabular Dysplasia Using Iliopsoas Fractional Lengthening and Capsular Plication.

Arthroscopy 2018 Jun 10;34(6):1841-1850. Epub 2018 Apr 10.

American Hip Institute, Westmont, Illinois, U.S.A.; Hinsdale Orthopaedics, Hinsdale, Illinois, U.S.A.. Electronic address:

Purpose: The purpose of this study was to evaluate the greater than 2-year patient-reported outcomes (PROs) and patient satisfaction of patients who were treated with hip arthroscopy for snapping iliopsoas tendons that were painful with concomitant acetabular dysplasia and who underwent iliopsoas lengthening for symptomatic iliopsoas tendon snapping with concomitant capsular plication and treatment of hip impingement. Secondary measures included observation of the change in the Tönnis grade at greater than 2 years' follow-up.

Methods: Between July 2009 and December 2011, data on patients with a lateral center-edge angle (LCEA) of less than 25° (range, 19°-24°) who underwent hip arthroscopy with central-compartment iliopsoas fractional lengthening and capsular plication were prospectively collected and retrospectively reviewed. Read More

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June 2018
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Tendoscopic Treatment of Peroneal Intrasheath Subluxation: A New Subgroup With Superior Peroneal Retinaculum Injury.

Foot Ankle Int 2018 05 29;39(5):542-550. Epub 2018 Mar 29.

3 Laboratory of Arthroscopic and Surgical Anatomy, Department of Pathology and Experimental Therapeutics (Human Anatomy Unit), University of Barcelona, Barcelona, Spain.

Background: Snapping peroneal tendons is a rare cause of lateral ankle pain. Two subgroups have been described: chronic subluxation with superior peroneal retinaculum (SPR) injury and intrasheath subluxation with SPR intact. The aim of the study was to report the tendoscopic findings and results in patients affected by snapping peroneal tendons without evident dislocation. Read More

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May 2018
8 Reads

[Arthroscopic treatment of psoas impingement].

Authors:
G Möckel W Miehlke

Oper Orthop Traumatol 2018 Apr 14;30(2):72-79. Epub 2018 Mar 14.

Arcus Klinik Pforzheim, Rastatter Str. 17-19, Pforzheim, Deutschland.

Objective: Tenotomy of the psoas tendon in symptomatic internal coxa saltans or psoas impingement should relieve pain.

Indications: Indicated in conservative treatment-resistant internal coxa saltans and in psoas impingement.

Contraindications: Contraindications are symptomatic psoas pathologies in hip dysplasia patients. Read More

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April 2018
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Allometry of individual reproduction and defense in eusocial colonies: A comparative approach to trade-offs in social sponge-dwelling Synalpheus shrimps.

PLoS One 2018 14;13(3):e0193305. Epub 2018 Mar 14.

Tennenbaum Marine Observatories Network, Edgewater, MD, United States of America.

Eusociality, one of the most complex forms of social organization, is thought to have evolved in several animal clades in response to competition for resources and reproductive opportunities. Several species of snapping shrimp in the genus Synalpheus, the only marine organisms known to exhibit eusociality, form colonies characterized by high reproductive skew, and aggressive territoriality coupled with cooperative defense. In eusocial Synalpheus colonies, individual reproduction is limited to female 'queens', whose fecundity dictates colony growth. Read More

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June 2018
1 Read