3,873 results match your criteria distal aspect


In Vivo Measurement of Hindlimb Dorsiflexor Isometric Torque from Pig.

J Vis Exp 2021 Sep 3(175). Epub 2021 Sep 3.

School of Kinesiology, University of Minnesota;

Reliable assessment of skeletal muscle strength is arguably the most important outcome measure in neuromuscular and musculoskeletal disease and injury studies, particularly when evaluating regenerative therapies' efficacy. Additionally, a critical aspect of translating many regenerative therapies is the demonstration of scalability and effectiveness in a large animal model. Various physiological preparations have been established to evaluate intrinsic muscle function properties in basic science studies, primarily in small animal models. Read More

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September 2021

Epidemiology of Pediatric Hand Surgery Emergencies. Retrospective Study of 245 Patients Seen over 10 Months in Two Referral Centers.

Orthop Traumatol Surg Res 2021 Sep 16:103067. Epub 2021 Sep 16.

CHU Lille, Service d'Orthopédie-Traumatologie, SOS Mains, Hôpital Roger Salengro, F-59000 Lille, France.

Background: The primary objective of this retrospective study was to analyse the epidemiology and assess the characteristics of all paediatric hand injuries requiring emergent surgery.

Hypothesis: Paediatric hand emergencies that require surgical treatment have a specific epidemiological distribution.

Methods: We conducted a multicentre retrospective descriptive epidemiological study of surgical paediatric hand emergencies seen over 10 consecutive months. Read More

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September 2021

Arthroscopic Excision of an Intra-Articular Osteochondroma of the Knee.

Cureus 2021 Aug 13;13(8):e17154. Epub 2021 Aug 13.

Arthroscopy and Orthopaedic Surgery, Metropolitan Hospital, Athens, GRC.

Osteochondroma is the most common benign tumor of the growing bone that commonly involves the knee joint region. Hereby we present a case of an arthroscopic resection of a symptomatic intra-articular osteochondroma of the knee. A 32-year-old woman presented with diffuse and persistent pain of her right knee followed by discomfort for over three months. Read More

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Biomechanical Effects of Aspect Ratio of the Knee during Outside-In Anterior Cruciate Ligament Reconstruction Surgery.

Biomed Res Int 2021 4;2021:3454475. Epub 2021 Sep 4.

Catholic Institute for Applied Anatomy, Department of Anatomy, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea.

We analyzed tunnel length, graft bending angle, and stress of the graft according to tunnel entry position and aspect ratio (ASR: ratio of anteroposterior depth to mediolateral width) of the articular surface for the distal femur during single-bundle outside-in anterior cruciate ligament reconstruction (ACLR) surgery. We performed multiflexible body dynamic analyses with four ASR (98, 105, 111, and 117%) knee models. The various ASRs were associated with approximately 1 mm changes in tunnel length. Read More

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September 2021

Comparison of the residual cement on custom computer-aided design and computer-aided manufacturing titanium and zirconia abutments: A preliminary cohort study.

J Prosthet Dent 2021 Sep 11. Epub 2021 Sep 11.

Attending Doctor, Department of Prosthodontics, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan City, Taiwan, ROC. Electronic address:

Statement Of Problem: Clinical studies comparing the occurrence and quality of residual cement between custom zirconia and custom titanium abutments with subgingival margins are scarce.

Purpose: The purpose of this clinical study was to assess the difference in the amount of residual cement between custom zirconia and titanium abutments with a 1-mm subgingival margin.

Material And Methods: Eighty participants were randomized to receive either a custom zirconia abutment with a bonded titanium insert or a custom titanium abutment with a 1-mm subgingival margin on a posterior bone-level implant. Read More

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September 2021

SAFE APPROACH FOR FLEXOR DIGITORUM PROFUNDUS I AND II USING THE PALMARIS LONGUS TENDON.

Arch Phys Med Rehabil 2021 Sep 10. Epub 2021 Sep 10.

Department of Physical Medicine and Rehabilitation, Korea University Ansan Hospital, Gyeonggi-do, Korea. Electronic address:

Objective: To investigate a safe and accurate approach to achieve needle insertion for electromyography of the flexor digitorum profundus (FDP) I and II muscles by identifying the anatomical relationship between the palmaris longus (PL) tendon, FDP muscle, and neurovascular bundle using ultrasonography.

Design: Descriptive study SETTING: Department of Physical Medicine and Rehabilitation PARTICIPANTS: Healthy individuals (age, 20-70 years) without any diseases (N=29; 15 men, 14 women; 58 forearms).

Interventions: Ultrasonography MAIN OUTCOME MEASURES: The FDP I and II muscles were transversely scanned on the volar aspect of the forearm at the junction of the middle and distal third between the medial epicondyle and ulnar styloid process. Read More

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September 2021

Case Report: Metastatic Parosteal Osteosarcoma in a Dog.

Front Vet Sci 2021 24;8:715908. Epub 2021 Aug 24.

Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, OH, United States.

This case report describes a rare form of malignant bone tumor in an 8-year-old Labrador retriever. This dog initially presented for evaluation of a right distal humeral mass. Radiographs of the right elbow and thorax were performed, revealing a smooth mineralized mass adjacent to the lateral aspect of the distal humerus and a 5mm pulmonary nodule. Read More

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Is Dry Needling of the Supinator a Safe Procedure? A Potential Treatment for Lateral Epicondylalgia or Radial Tunnel Syndrome. A Cadaveric Study.

Int J Environ Res Public Health 2021 Aug 31;18(17). Epub 2021 Aug 31.

Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya (UIC-Barcelona), C/Josep Trueta s/n, Sant Cugat del Vallès, 08017 Barcelona, Spain.

The supinator muscle is involved in two pain conditions of the forearm and wrist: lateral epicondylalgia and radial tunnel syndrome. Its close anatomical relationship with the radial nerve at the arcade of Frohse encourages research on dry needling approaches. Our aim was to determine if a solid filiform needle safely penetrates the supinator muscle during the clinical application of dry needling. Read More

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Anthropometric measurements of non-arthritic knees in an Egyptian population: an MRI-based study.

J Orthop Surg Res 2021 Sep 8;16(1):552. Epub 2021 Sep 8.

Orthopaedic and Traumatology Department, Assiut University Hospital, Assiut, Egypt.

Background: Knee anthropometric characteristics were evaluated for different ethnicities; however, data from North African populations are deficient. The primary aim was to investigate the Egyptian knees' anthropometric characteristics as a representative of North African populations. Secondary aims are as follows: (1) to study the anthropometric gender difference, (2) to compare results with other ethnic groups, and (3) to study the mismatch in comparison to geometric characteristics of modern TKA implant designs. Read More

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September 2021

Reliability of a two-dimensional sock-clad footprint linear measurement method.

Sci Justice 2021 Sep 30;61(5):649-656. Epub 2021 Jul 30.

Division of Podiatry and Clinical Sciences, University of Huddersfield, Queensgate, Huddersfield, HD1 3DH, UK.

A two-dimensional linear measurement approach for footprints, herein referred to as the "Reel Method," has been shown to be valid and reliable when used on bare footprints, however, few measurement approaches have been examined on sock-clad footprints. The present investigation examines the validity and reliability of the Reel Method as a two-dimensional linear measurement approach for use on sock-clad footprints. A walking, mid-gait footprint was collected from 30 volunteer participants using the Identicator Inkless Shoe Print Model LE 25P system. Read More

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September 2021

Diagnosis and Treatment of Syndesmotic Unstable Injuries: Where We Are Now and Where We Are Headed.

J Am Acad Orthop Surg 2021 Sep 1. Epub 2021 Sep 1.

From the Foot & Ankle Research and Innovation Laboratory (Bejarano-Pineda, DiGiovanni, Waryasz, and Guss), Harvard Medical School, Massachusetts General Hospital; Foot & Ankle Service (Bejarano-Pineda, DiGiovanni, Waryasz, and Guss), Department of Orthopaedic Surgery, Massachusetts General Hospital; Newton-Wellesley Hospital (Bejarano-Pineda, DiGiovanni, Waryasz, and Guss), Harvard Medical School, Massachusetts General Hospital, Boston.

Up to 10% of ankle sprains are considered "high ankle" sprains with associated syndesmotic injury. Initial diagnosis of syndesmotic injury is based on physical examination, but further evaluation of the distal tibiofibular joint in the sagittal, coronal, and rotational planes is necessary to determine instability. Imaging modalities including weight-bearing CT and ultrasonography allow a physiologic and dynamic assessment of the syndesmosis. Read More

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September 2021

Risk factors for ankle valgus in children with hereditary multiple exostoses: a retrospective cross-sectional study.

J Child Orthop 2021 Aug;15(4):372-377

Department of Pediatric Orthopedics, Shanghai Children's Medical Center, Shanghai Jiaotong University School of Medicine, Shanghai, China.

Purpose: The aim of this study was to identify risk factors for ankle valgus in children with hereditary multiple exostoses (HME).

Methods: We retrospectively reviewed the medical records of patients with HME who were examined at our hospital between 2010 and 2020. Patients' age and sex were recorded along with radiographic variables including mechanical axis deviation (MAD), mechanical lateral distal tibia angle (LDTA), fibula/tibia length ratio (F/T); distal fibula station according to Malhotra's classification, location of exostoses at the ankle joint and fibular neck/physis width (N/P) ratio, which were measured from radiographs. Read More

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The shaping ability of WaveOne Gold, TRUShape and XP-endo Shaper systems in oval-shaped distal canals of mandibular molars: A microcomputed tomographic analysis.

Int Endod J 2021 Sep 2. Epub 2021 Sep 2.

Department of Endodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.

Aim: To compare the shaping ability of a heat-treated centric reciprocating file system (WaveOne Gold), a heat-treated eccentric rotary multifile system (TRUShape 3D Conforming Files), and a heat-treated expandable one-file rotary system (XP-endo Shaper) extending its activation time, in preparing oval-shaped root canals in extracted mandibular molars by means of microcomputed tomography (micro-CT) analysis.

Methodology: Thirty moderately curved oval-shaped distal roots of mandibular molars were selected. The normality of canal length, curvature angle, volume, surface area, structure model index, and aspect ratio were confirmed. Read More

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September 2021

Morphological study on the origin of the semitendinosus muscle in the long head of biceps femoris.

Scand J Med Sci Sports 2021 Sep 2. Epub 2021 Sep 2.

Department of Morphological Sciences (Human Anatomy and Embryology Unit), Faculty of Medicine, Universitat Autònoma de Barcelona, Bellaterra, Spain.

Hamstring muscle injuries are the most prevalent among athletes who engage in sprinting activities. Their most frequent location is where the long head of the biceps femoris joins with the semitendinosus muscle to form the conjoint hamstring tendon. Just distal to this area, an additional group of fibers of the semitendinosus originate from medial aspect of biceps femoris. Read More

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September 2021

Pedicled Split Hypogastric Flap (Superficial Inferior Epigastric Artery flap): A New Technique for Coverage of Nonadjacent Defects in the Hand.

Tech Hand Up Extrem Surg 2020 Dec 18;25(3):191-196. Epub 2020 Dec 18.

Department of Plastic, Hand, and Reconstructive Microsurgery, Ganga Hospital, Coimbatore, Tamil Nadu, India.

Flap coverage of soft tissue defects on both surfaces of the hand or of nonadjacent defects in the hand is a challenge. Two flaps are needed or if a single flap is used, the intervening normal area or part of the flap must be deepithelialized or the flap tunneled under the normal bridge segment. We are presenting a new technique whereby the hypogastric flap based on the superficial inferior epigastric artery is split into 2 components for the coverage of such defects. Read More

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December 2020

The perils of penile enhancement: case report of a fulminant penile infection.

BMC Urol 2021 Aug 24;21(1):115. Epub 2021 Aug 24.

Murnaghan Urology Department, Prince of Wales Hospital, Sydney, Australia.

Background: Penile enhancement with injectable agents is a rising trend and yet has received little scientific attention despite the potential for serious complications. These include cosmetic, functional and systemic complications that may require complex penile reconstructive surgery. We report a case of delayed severe infection following penile filler insertion leading to multi-organ failure and intensive care support. Read More

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Proximal enamel thickness of the permanent teeth: A systematic review and meta-analysis.

Am J Orthod Dentofacial Orthop 2021 Aug 19. Epub 2021 Aug 19.

Centre for Early Childhood Caries Research (CECCRe), Department of Pediatric and Preventive Dentistry, Sri Ramachandra Faculty of Dental Sciences, Sri Ramachandra Institute of Higher Education and Research, Chennai, India; Adjunct Research Associate, Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates.

Introduction: This systematic review aimed to identify, evaluate, and provide a synthesis of the available literature on the proximal enamel thickness (PET) of permanent teeth.

Methods: The eligibility criteria were studies that assessed the PET of the permanent teeth. A search of studies in Medline (via PubMed), the Cochrane Library, Scopus, Web of Science, Embase, and Lilacs databases that measured PET was conducted until August 31, 2020. Read More

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Elastic Fibres in the subcutaneous tissue: Is there a difference between superficial and muscular fascia? A cadaver study.

Skin Res Technol 2021 Aug 22. Epub 2021 Aug 22.

Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padova, Italy.

Background: In last years the role of fascia in proprioception and pain has been confirmed in numerous papers, but the real structure of fasciae is not still entirely known. To date, many studies have evaluated the elastic fibres in arteries, ligaments, lungs, epidermis and dermis, but only two studies exist about the elastic fibres in the fasciae, and they did not distinguish between superficial (in the subcutaneous tissue) and deep/muscular fasciae. The aim of the study was to assess the percentage of elastic fibres between superficial and deep fascia. Read More

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Distal Radioulnar Joint, Distal Ulna Injury, and Lunate Facet Considerations in Distal Radius Fractures.

Authors:
Francisco Rubio

J Orthop Trauma 2021 Sep;35(Suppl 3):s11-s16

Miami Hand and Upper Extremity Institute, Miami, FL.

Summary: Injuries to the distal aspect of the ulna and the distal radioulnar joint (DRUJ) commonly occur concurrently with distal radius fractures. These fractures may also involve the sigmoid notch of the lunate facet of the radius. Each of these structures merits consideration when managing ulnar-sided injuries associated with distal radius fractures. Read More

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September 2021

Terminal Syme Amputation of the Great Toe in the Pediatric Population.

J Pediatr Orthop 2021 Oct;41(9):e823-e827

Shriners Hospitals for Children.

Background: In the pediatric population, chronic ingrown toenails (onychocryptosis) can cause infection (paronychia), debilitating pain, and may be unresponsive to conservative treatments. Following multiple failed interventions, a terminal Syme amputation is one option for definitive treatment of chronic onychocryptosis. This procedure involves amputation of the distal aspect of the distal phalanx of the great toe with complete removal of the nail bed and germinal center, preventing further nail growth and recurrence. Read More

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October 2021

Marginal Bone Resorption Around Dental Implants Placed in Alveolar Socket Preserved Sites: A 5 Years Follow-up Study.

J Maxillofac Oral Surg 2021 Sep 18;20(3):381-388. Epub 2020 Apr 18.

Department of Dentistry, Vita-Salute University, IRCCS San Raffaele Hospital, 20132 Milan, Italy.

Aim: The present study evaluated the clinical and radiological stability of hard and soft tissues following alveolar socket preservation (ASP) procedure with a follow-up of 5 year from implant insertion.

Materials And Methods: The initial sample consisted of seven patients who underwent single tooth extraction and ASP procedure by means of demineralized bovine bone mineral particles covered with a porcine-derived non-cross-linked collagen matrix (CM). Each patient received a submerged single implant in the healed site. Read More

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September 2021

Preoperative radiographic parameters in the case of using a narrow-version femoral implant in total knee arthroplasty.

Arch Orthop Trauma Surg 2021 Aug 17. Epub 2021 Aug 17.

Department of Orthopedic Surgery, Kangbuk Samsung Hospital, School of Medicine, Sungkyunkwan University, 29, Saemunan-ro, Jongno-gu, Seoul, 03181, Republic of Korea.

Background: Recently, total knee arthroplasty (TKA) designs that allow the use of narrow-version femoral implants have been introduced to avoid femoral overhang. The purpose of this study was to investigate the frequency of the use of narrow-version femoral implants and identify the difference in radiographic parameters between using a narrow-version femoral implant and a standard-version femoral implant in TKA.

Methods: A retrospective study was conducted on 504 primary TKAs using a TKA system (Anthem or Persona) that allowed narrow-version femoral implants. Read More

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Novel approaches to minimize intraoperative bleeding during endoscopic submucosal dissection of a large rectal lateral spreading tumor extended to the dentate line with internal hemorrhoids.

VideoGIE 2021 Aug 28;6(8):344-346. Epub 2021 May 28.

Division of Gastroenterology, Universidad de La Sabana, Chía, Colombia.

Video 1Endoscopic submucosal dissection (ESD) of large rectal lateral spreading tumors (LSTs) that extend to the dentate line with internal hemorrhoids is a challenging procedure because of the increased risk of bleeding from penetrating and hemorrhoidal vessels and the reduced visual field caused by the dilated venous packages and the narrow anal lumen.This video describes novel technical approaches to minimize the risk of intraoperative bleeding.The described approaches are indicated in large rectal LSTs that extend to the dentate line with large internal hemorrhoids. Read More

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Wandering splenomegaly reduction after splenopexy.

Int J Surg Case Rep 2021 Aug 4;85:106273. Epub 2021 Aug 4.

Department of Surgery, School of Medicine, Federal University of Minas Gerais, Brazil.

Introduction And Importance: A wandering spleen is characterized by excessive splenic mobility due to the laxity of its ligaments, which leads to spleen migration and its long mobile vascular pedicle is liable to torsion. The purpose of this paper was to present a wandering splenomegaly reduction after splenic detorsion and splenopexy.

Case Presentation: A 14-year-old boy presented a symptomatic visible pelvic wandering splenomegaly with torsion of the splenic pedicle. Read More

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Estimating soft tissue artifact of the thigh in high knee flexion tasks using optical motion Capture: Implications for marker cluster placement.

J Biomech 2021 Jul 31;127:110659. Epub 2021 Jul 31.

Department of Kinesiology and Health Sciences, University of Waterloo, 200 University Ave W, Waterloo, Ontario, N2L 3G1, Canada. Electronic address:

Soft tissue artifact in motion capture is widely accepted as a significant source of error in kinematic and kinetic measurements. Non-invasive methods of estimating soft tissue artifact, those requiring only motion capture, provide a feasible method to evaluate marker placement on a segment and enable recommendations for marker configurations which can minimize soft tissue artifact. The purpose of this study was to investigate the effect of thigh marker cluster location on soft tissue artifact during high knee flexion (>120 deg) as unique deformation of soft tissue occurs in this range (e. Read More

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Update on prevention of diabetic foot ulcer.

Arch Med Sci Atheroscler Dis 2021 30;6:e123-e131. Epub 2021 Jun 30.

Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania 'Luigi Vanvitelli', Naples, Italy.

The diabetic foot ulcer is the most important reason for non-traumatic limb amputation. Based on recent data, it has been estimated that up to 34% of type 2 diabetes patients may develop diabetic foot ulcers once in their lifetime. Risk factors for developing foot ulcers are distal sensorimotor peripheral neuropathy, peripheral arterial disease, previous ulcers, and/or amputations. Read More

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Honeybee Exposure to Veterinary Drugs: How Is the Gut Microbiota Affected?

Microbiol Spectr 2021 Sep 11;9(1):e0017621. Epub 2021 Aug 11.

Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Bologna, Italy.

Several studies have outlined that a balanced gut microbiota offers metabolic and protective functions supporting honeybee health and performance. The present work contributes to increasing knowledge on the impact on the honeybee gut microbiota of the three most common veterinary drugs (oxytetracycline, sulfonamides, and tylosin). The study was designed with a semi-field approach in micro-hives containing about 500 honeybees. Read More

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September 2021

Digital Papillary Adenocarcinoma in the Dorsal Proximal Ring Finger.

J Hand Surg Am 2021 Aug 6. Epub 2021 Aug 6.

Department of Orthopedic Surgery, Baylor Scott and White Medical Center Dallas, Dallas, TX.

Digital papillary adenocarcinoma (DPA) is a rare and aggressive tumor arising from the eccrine sweat glands. It is found on the hands and feet and most commonly occurs on the volar and distal finger tips. In this report, we describe a DPA in a 45-year-old woman who presented with a slowly enlarging mass on the dorsal aspect of her proximal ring finger. Read More

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Evaluation of hard and soft tissue changes around implant in partially edentulous patients: a clinico-radiographic study.

Pan Afr Med J 2021 19;38:378. Epub 2021 Apr 19.

Department of Public Health Dentistry, Seema Dental College and Hospital, Rishikesh, Uttarakhand, India.

Introduction: implant supported prosthesis has become a viable treatment option for missing teeth. An important tool to detect early changes around implants is the standardized assessment of peri-implant hard and soft tissue parameters. The purpose of this prospective study was to clinically and radiographically assess the soft and hard tissues around implants. Read More

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A Solitary Benign Schwannoma of the Medial Dorsal Cutaneous Nerve of the Foot Masquerading as a Ganglion Cyst.

Cureus 2021 Jul 3;13(7):e16141. Epub 2021 Jul 3.

Department of Pathology, All India Institute of Medical Sciences Nagpur, Nagpur, IND.

Schwannomas are rarely seen in the foot and ankle and mostly arise from the plantar aspect. Dorsal foot schwannomas are not commonly reported. We describe the case of a 25-year-old man who had a painful swelling on the dorsum of his right foot, which resembled a ganglion cyst on clinical examination and ultrasonography findings. Read More

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