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PLoS One 2022 24;17(6):e0270496. Epub 2022 Jun 24.

Department of physical Medicine and Rehabilitation, Baqiyatallah University of Medical Sciences, Tehran, Iran.

Boots are often used in sports, occupations, and rehabilitation. However, there are few studies on the biomechanical alterations after wearing boots. The current study aimed to compare the effects of running shoes and boots on running biomechanics. Read More

Micromachines (Basel) 2022 Jun 16;13(6). Epub 2022 Jun 16.

Xiangyang Key Laboratory of Rehabilitation Medicine and Rehabilitation Engineering Technology, Hubei University of Arts and Science, Xiangyang 441053, China.

The ankle is a crucial joint that supports the human body weight. An ankle sprain will adversely affect the patient's daily life, so it is of great significance to ensure its strength. To help patients with ankle dysfunction to carry out effective rehabilitation training, the bone structure and motion mechanism of the ankle were analyzed in this paper. Read More

Biology (Basel) 2022 May 26;11(6). Epub 2022 May 26.

Human, Histology and Movement Science Section, Department of Biomedical and Biotechnological Sciences, University of Catania, Via S. Sofia n°87, 95123 Catania, Italy.

Running is a physical activity and the investigation of its biomechanical aspects is crucial both to avoid injuries and enhance performance. Recreational runners may be liable to increased stress over the body, particularly to lower limb joints. This study investigates the different running patterns of recreational runners by analyzing characteristics of the footwear impact peak, spatiotemporal, and kinematic parameters among those that present with a peak impact and those that do not, with a 3D markerless system. Read More

Diagnostics (Basel) 2022 Jun 16;12(6). Epub 2022 Jun 16.

Department of Orthopaedic Surgery and Traumatology, Medical University, 4 Lindleya Street, 02-005 Warsaw, Poland.

The number of overweight and obese patients in developed countries is gradually increasing. It was reported that 1287 (64%) out of 2007 adults operated on in 2017 had a body mass index (BMI) greater than 25 kg/m, and 26.4% even greater than 30, while the BMI of the most obese patient was as high as 57. Read More

Biosensors (Basel) 2022 Jun 18;12(6). Epub 2022 Jun 18.

Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, China.

Making rapid and proper compensatory postural adjustments is vital to prevent falls and fall-related injuries. This study aimed to investigate how, especially how rapidly, the multiple lower-limb muscles and joints would respond to the unexpected standing balance perturbations. Unexpected waist-pull perturbations with small, medium and large magnitudes were delivered to twelve healthy young adults from the anterior, posterior, medial and lateral directions. Read More

Front Bioeng Biotechnol 2022 6;10:866321. Epub 2022 Jun 6.

Faculty of Sports Science, Ningbo University, Ningbo, China.

The study aimed to research the effects of innovative running shoes (a high heel-to-toe drop and special structure of midsole) on the biomechanics of the lower limbs and perceptual sensitivity in female runners. Fifteen healthy female runners were recruited to run through a 145-m runway with planted force plates at one peculiar speed (3.6 m/s ± 5%) with two kinds of shoe conditions (innovative running shoes . Read More

BMC Musculoskelet Disord 2022 Jun 22;23(1):603. Epub 2022 Jun 22.

Graduate School of Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China.

Purpose: The study aims to investigate the accuracy of different radiographic signs for predicting functional deficiency of anterior cruciate ligament (ACL) and test whether the prediction model constructed by integrating multiple radiographic signs can improve the predictive ability.

Methods: A total number of 122 patients from January 1, 2018, to September 1, 2021, were enrolled in this study. Among them, 96 patients were classified as the ACL-functional (ACLF) group, while 26 patients as the ACL-deficient (ACLD) group after the assessment of magnetic resonance imaging (MRI) and the Lachman's test. Read More

J Foot Ankle Surg 2022 May 18. Epub 2022 May 18.

Assistant Professor, Department of Civil Engineering, Necmettin Erbakan University, Konya, Turkey.

The optimal treatment strategy after syndesmotic injuries is still controversial. In our study, we aimed to evaluate ideal fixation method in syndesmotic injury by using finite element analysis method. A 3D SolidWorks model file was created by taking computed tomography (CT) images of the area from the right foot base to the knee joint level of a healthy adult male. Read More

Handchir Mikrochir Plast Chir 2022 Jun 22. Epub 2022 Jun 22.

Städtisches Klinikum Sankt Georg Leipzig, Klinik für Plastische und Handchirurgie mit Schwerbrandverletztenzentrum.

Background: Soft tissue defects in the achilles tendon region occur after trauma, but also as a complication after open recon- struction of the tendon with subsequent infection.

Objectives: Recommendations for the treatment of soft tissue injuries involving the Achilles tendon are presented.

Materials And Methods: A search of the German, French and English literature on reconstruction of soft tissue defects of the Achilles tendon region was performed, which were differentiated into singular and combined tendocutaneous defects. Read More

JMIR Res Protoc 2022 Jun 22;11(6):e38442. Epub 2022 Jun 22.

Department of Physical and Occupational Therapy, Naval Medical Center San Diego, San Diego, CA, United States.

Background: Lateral ankle sprains (LASs) are common injuries among military service members. Approximately 40% of individuals with an LAS progress to develop chronic ankle instability (CAI), a condition that results in substantial mechanical and neurophysiological impairment and activity limitation. Since proprioceptive and balance training improve functional outcomes and prevent secondary injury following LAS, they are recommended in clinical practice. Read More

Zhongguo Gu Shang 2022 Jun;35(6):543-7

Department of Acupuncture, China-Japan Friendship Hospital, Beijing 100029, China.

Objective: To explore safety and accuracy of four-point acupotomy for the treatment of tarsal tunnel syndrome regarding release of ankle tunnel flexor retinaculum to provide an anatomical basis of clinical treatment.

Methods: Twenty-nine adult specimens (15 males and 14 females) fixed with 10% formalin, aged from 47 to 98 years old with an average age of (81.10±11. Read More

Arch Orthop Trauma Surg 2022 Jun 21. Epub 2022 Jun 21.

Radiology Department, Peking University Third Hospital, No.49 North Garden Road, Haidian, Beijing, 100191, China.

Introduction: Chronic lateral ankle instability (CLAI) could accompany with latent syndesmotic diastasis (LSD), which is difficult to distinguish before surgery. Tibiofibular interval width and extravasation of joint fluid ('lambda sign') on MRI are widely used in the diagnosis of syndesmotic injury, but the reliability of these methods in distinguishing the associated LSD in CLAI was rarely studied. Our objective was to compare the diagnostic value of the measurement of the transverse tibiofibular interval and 'lambda sign' on MRI in distinguishing LSD in CLAI and to investigate the radiological predictor that best matched the intraoperatively measured syndesmotic width. Read More

Eur Radiol 2022 Jun 22. Epub 2022 Jun 22.

Department of Orthopaedics, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.

Objectives: To verify tibial tubercle-Roman arch (TT-RA) distance is superior to tibial tubercle-trochlear groove (TT-TG) distance in preoperative assessment of patellofemoral joints in patients with knee osteoarthritis.

Methods: Patients with knee osteoarthritis from 2016 to 2020 were considered eligible for inclusion in this study. We divided the patients into valgus group and varus group and did 1:1 matching for the two groups. Read More

J Craniofac Surg 2022 May 26;33(3):951-955. Epub 2021 Oct 26.

Division of Plastic and Reconstructive Surgery, Department of Surgery.

Abstract: Even though there are many options for mandibular reconstruction, a free fibula osteocutaneous flap is regarded as the most frequently used flap. Despite having some previous anatomical studies pertaining to syndesmotic ligaments, there is no study pointing out that surgical landmarks can be used while free fibula osteocutaneous flaps are performed and used for surgical landmarks in order to avoid syndesmotic ligament injuries. Therefore, this study investigates the characteristics and relationship between inferior syndesmotic ligaments and fibula in cadavers. Read More

Int Orthop 2022 Jun 20. Epub 2022 Jun 20.

Department of Orthopedics, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, 200065, China.

Background: Open reduction and internal fixation (ORIF) is a popular method for treatment of displaced Lisfranc injuries. However, even with anatomic reduction and solid internal fixation, treatment does not provide good outcomes in certain severe dislocations. The purpose of this study was to compare ORIF and primary arthrodesis (PA) of the first tarsometatarsal (TMT) joint for Lisfranc injuries with the first TMT joint dislocation. Read More

Technol Health Care 2022 Jun 8. Epub 2022 Jun 8.

Lee Kong Chian Faculty of Engineering and Science, University Tunku Abdul Rahman, Bandar Sungai Long, Kajang, Selangor, Malaysia.

Background: Athletes with chronic ankle pain (CAP) are more inclined to suffer from physical and psychological pain depending on the severity of the injuries, which might trigger the powerless feeling on future sports participation. Therefore, an efficient and simple method is useful to integrate into conventional physiotherapy (CP) for maintaining mental wellness.

Objective: This research aimed to verify the effects and progress of video-guided deep breathing (DB) integrated into CP through study on the changes of alpha waves and pain scale. Read More

Sports Biomech 2022 Jun 20:1-22. Epub 2022 Jun 20.

Bioinspired Devices and Tissue Engineering (BIOINSPIRA) Research Group, School of Biomedical Engineering and Health Sciences, Faculty of Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia.

Previous research has reported that up to 92% of injuries amongst badminton players consist of lower limb, whereby 35% of foot fractures occurred at the metatarsal bone. In sports, insoles are widely used to increase athletes' performance and prevent many injuries. However, there is still a lack of badminton insole analysis and improvements. Read More

Orthop J Sports Med 2022 Jun 13;10(6):23259671221102478. Epub 2022 Jun 13.

University of Texas Southwestern Medical Center, Dallas, Texas, USA.

Background: Despite increasing participation rates in youth gymnastics, the majority of epidemiologic literature focuses on older elite athletes or stratifies athletes by level of competition.

Hypothesis: The authors hypothesized that sex- and age-based patterns in youth gymnastics-related injuries exist, which are otherwise overlooked in an unstratified population.

Study Design: Descriptive epidemiology study. Read More

Foot Ankle Orthop 2022 Apr 14;7(2):24730114221104078. Epub 2022 Jun 14.

Department of Orthopaedic Surgery, Østfold Hospital Trust, Grålum, Norway.

Background: Deltoid ligament injury occurs often with supination-external rotation (SER) ankle trauma. SER fibula fractures with concomitant deltoid ligament injury are considered unstable-requiring operative fixation. Recent studies have questioned this general practice with emphasis on better defining the medial side ankle ligamentous injury. Read More

BMJ Open Sport Exerc Med 2022 7;8(2):e001322. Epub 2022 Jun 7.

Sport and Movement Studies, Faculty of Health Sciences, University of Johannesburg, Auckland Park, South Africa.

Objective: The purpose of this study was to determine the prevalence of muscle imbalance among young adolescent acrobats (n=15) and if there was a potential link to injury.

Methods: Isokinetic strength of the lower extremity, isometric strength of the trunk, and flexibility of both the trunk and lower extremity were assessed. Pearson correlation (r) and χ correlation tests were performed on all explanatory variables. Read More

Front Sports Act Living 2022 26;4:902886. Epub 2022 May 26.

French Society of Sports Physical Therapist (SFMKS Lab), Pierrefitte-sur-Seine, France.

Lateral ankle sprain is the most common injury in sports, with up to 40% of patients developing chronic ankle instability (CAI). One possible cause underlying this high rate of recurrence or feeling of giving way may be a premature return to sport (RTS). Indeed, except for time-based parameters, there are no specific criteria to guide clinicians in their RTS decisions in patients with CAI. Read More

Arch Bone Jt Surg 2022 Apr;10(4):347-352

Department of Orthopedic and Traumatology, Prof. Dr. Cemil Taşçıoğlu City Hospital, İstanbul, Turkey.

Background: The calcaneofibular ligament is cut to increase vision in surgical field in minimally invasive surgery of displaced intraarticular calcaneus fractures with subtalar incision. We aimed to investigate whether this causes talar tilt instability in ankle stress radiographs due to the calcaneofibular ligament deficiency in postoperative period.

Methods: The files of 38 patients who were operated with the diagnosis of displaced calcaneus fracture between 2013 and 2018 were examined retrospectively. Read More

Front Hum Neurosci 2022 26;16:896367. Epub 2022 May 26.

Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, Taegu, South Korea.

This review discusses the role of the contra-lesional corticoreticular tract (CRT) in motor recovery of the paretic leg in stroke patients by reviewing related diffusion tensor tractography studies. These studies suggest that the contra-lesional CRT can contribute to the motor recovery of the paretic leg in stroke patients, particularly in patients with complete injuries of the ipsilesional corticospinal tract and CRT. Furthermore, a review study reported that the motor recovery of the paretic ankle dorsiflexor, which is mandatory for achieving a good gait pattern without braces in hemiparetic stroke patients, was closely related to the contra-lesional CRT. Read More

Clin Podiatr Med Surg 2022 Jul;39(3):461-476

California School of Podiatric Medicine at Samuel Merritt University, 450 30th Street Suite 2860, Oakland, CA 94609, USA. Electronic address:

The fibrocartilage within the superomedial calcaneonavicular (spring) ligament is part of an interwoven complex of ligaments that span the ankle, subtalar, and talonavicular joints. Acute isolated rupture of the spring ligament has been reported in association with an eversion ankle sprain. Attenuation and failure of the spring ligament causes complex 3D changes called the progressive collapsing foot deformity (PCFD). Read More

Clin Podiatr Med Surg 2022 Jul;39(3):437-450

Division of Podiatry, Department of Surgery, Beth Israel Deaconess Medical Center, 185 Pilgrim Road, Span 3, Boston, MA 02215, USA.

Tendons and ligaments are critical components in the function of the musculoskeletal system, as they provide stability and guide motion for the biomechanical transmission of forces into bone. Several common injuries in the foot and ankle require the repair of ruptured or attenuated tendon or ligament to its osseous insertion. Understanding the structure and function of injured ligaments and tendons is complicated by the variability and unpredictable nature of their healing. Read More

Clin Podiatr Med Surg 2022 Jul;39(3):421-435

Stamford Health Medical Group, 800 Boston Post Road, Suite 302, Darien, CT 06820, USA.

The lesser metatarsophalangeal joint plantar plate and calcaneonavicular (spring) ligament are highly specialized soft tissue structures within the foot, consisting partly of fibrocartilage and capable of withstanding high compressive and tensile loads. Preoperative advanced imaging, in the form of point-of-care ultrasound and MRI, has become indispensable for surgeons hoping to confirm, quantify, and better localize injuries to these structures before surgery. This article describes the technical considerations of ultrasound and MRI and provides examples of the normal and abnormal appearances of these structures. Read More

Clin Podiatr Med Surg 2022 Jul;39(3):405-410

Midwestern University Arizona College of Podiatric Medicine, Paradise Valley Foot & Ankle, 4611 East Shea Boulevard, Phoenix, AZ 85028, USA. Electronic address:

The Achilles tendon is well known as the strongest tendon within the body. Its anatomic composition is unique to allow absorption of extreme loads. Historically, there has been a longstanding belief that rupture of the Achilles tendon occurs within a "watershed" region of ischemia. Read More

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2022 Jun;36(6):766-769

Department of Trauma and Microreconstructive Surgery, Orthopaedic Center, the First Affiliated Hospital of Xinjiang Medical University, Urumqi Xinjiang, 830054, P. R. China.

Objective: To investigate the effectiveness of free transverse gracilis myocutaneous flap for soft tissue defects of foot and ankle.

Methods: Between January 2017 and December 2020, 16 cases (17 feet) of soft tissue defects of foot and ankle were repaired with free transverse gracilis myocutaneous flaps. There were 10 males and 6 females, with an average age of 38 years (range, 23-60 years). Read More

Front Neurol 2022 27;13:862644. Epub 2022 May 27.

Department of Physiological Explorations, University Hospital of Toulouse, Toulouse, France.

Spastic equinus foot is a common deformity in neurologic patients who compromise walking ability. It is related to the imbalance between weak dorsiflexion and overactive plantar flexor muscles. To achieve the best functional results after surgical management, the challenge is to identify the relevant components involved in the deformity using several methods, namely, examination in the supine position, motor nerve blocks allowing transient anesthesia of suspected overactive muscles, and kinematic and electromyographic data collected during an instrumented 3D gait analysis. Read More

J Bodyw Mov Ther 2022 Jul 6;31:62-71. Epub 2022 Apr 6.

London Sports Institute, Middlesex University, London, UK. Electronic address:

Objective: To investigate the effect of disk training and tape application on diminished proprioception after Lateral Ankle Sprain (LAS) in active populations.

Eligibility Criteria: Only clinical trials investigating the effectiveness of disk training and ankle tape on proprioception deficits following LAS by assessing JPS or kinaesthesia were included.

Information Sources: Electronic databases of PubMed, MEDLINE, SPORTDiscus, CINAHL, Web of Science, Cochrane and PEDro were searched. Read More