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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

Orthop J Sports Med 2022 Jun 15;10(6):23259671221104793. Epub 2022 Jun 15.

Stanford Medical Center, Redwood City, California, USA.

Background: Bone stress injury (BSI) is a common reason for missed practices and competitions in elite track and field runners.

Hypothesis: It was hypothesized that, after accounting for medical risk factors, higher plantar loading during running, walking, and athletic movements would predict the risk of future BSI in elite collegiate runners.

Study Design: Cohort study; Level of evidence, 2. 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

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

Knee Surg Sports Traumatol Arthrosc 2022 Jun 8. Epub 2022 Jun 8.

Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, No.49 North Garden Road, Beijing, 100191, China.

Purpose: To compare the return-to-activity and long-term clinical outcomes between anatomic lateral ligament reconstruction using the autologous gracilis tendon and modified Broström-Gould (MBG) procedure in chronic lateral ankle instability (CLAI). It was hypothesised that there was no difference between the two techniques.

Methods: From 2013 to 2018, 30 CLAI patients with grade III joint instability confirmed by anterior drawer test underwent anatomic reconstruction of lateral ankle ligament with the autologous gracilis tendon (reconstruction group) in our institute. Read More

Front Sports Act Living 2022 19;4:794005. Epub 2022 May 19.

Faculty of Sport and Health Sciences, Technical University of Munich, Munich, Germany.

Recent studies have suggested that 95% of modern runners land with a rearfoot strike (RFS) pattern. However, we hypothesize that running with an RFS pattern is indicative of an evolutionary mismatch that can lead to musculoskeletal injury. This perspective is predicated on the notion that our ancestors evolved to run barefoot and primarily with a forefoot strike (FFS) pattern. Read More

Gait Posture 2022 May 23;96:154-159. Epub 2022 May 23.

Department of Movement Sciences, Human Movement Biomechanics Research Group, KU Leuven University, Leuven, Belgium.

Background: Pes Planus or Flat feet is one of the most common lower limb abnormalities. When runners with this abnormality participate in recreational running, interventional therapies could help in pain alleviation and enhance performance. To determine the most effective treatment, however, a biomechanical examination of the effects of each treatment modality is required. Read More

Cartilage 2022 Apr-Jun;13(2):19476035221102569

Department of Orthopaedic Surgery and Sports Medicine, Amsterdam Movement Sciences, Amsterdam UMC, Location AMC, University of Amsterdam, Amsterdam, The Netherlands.

Objective: To determine and compare the incidence rate of (osteo)chondral lesions of the ankle in patients with acute and chronic isolated syndesmotic injuries.

Design: A literature search was conducted in the PubMed (MEDLINE) and EMBASE (Ovid) databases from 2000 to September 2021. Two authors independently screened the search results, and risk of bias was assessed using the MINORS (Methodological Index for Non-Randomized Studies) criteria. Read More

BMJ Mil Health 2022 Jun 1. Epub 2022 Jun 1.

Norwegian Armed Forces Joint Medical Services, Ullensaker, Norway.

Introduction: Most epidemiological studies in the field of military medicine have been based on data from medical records and registries. The aims of this study were to test a self-reporting injury surveillance system commonly used in sports medicine in a military setting, and to describe the injury pattern among Norwegian army conscripts during a period of military training.

Method: A total of 296 conscripts in His Majesty the King's Guard were asked to report all injuries each week for 12 weeks, using a modification of the Oslo Sports Trauma Research Center Questionnaire on Health Problems (OSTRC-H2). Read More

Gait Posture 2022 May 23;96:123-129. Epub 2022 May 23.

Micheli Center for Sports Injury Prevention, Waltham, MA, USA; Division of Sports Medicine, Department of Orthopedics, Boston Children's Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA, USA.

Background: While there is substantial information available regarding expected biomechanical adaptations associated with adult running-related injuries, less is known about adolescent gait profiles that may influence injury development.

Research Questions: Which biomechanical profiles are associated with prevalent musculoskeletal lower extremity injuries among adolescent runners, and how do these profiles compare across injury types and body regions?

Methods: We conducted a cross-sectional study of 149 injured adolescents (110 F; 39 M) seen at a hospital-affiliated injured runner's clinic between the years 2016-2021. Biomechanical data were obtained from 2-dimensional video analyses and an instrumented treadmill system. Read More

J Foot Ankle Res 2022 May 31;15(1):43. Epub 2022 May 31.

Department of Sport Rehabilitation, Faculty of Sport Sciences, Arak University, Arak, Iran.

Background: Lower limb asymmetry among athlete with unilateral chronic ankle instability (CAI) during bilateral landing can be a potential source of ankle sprain reinjury. The aim of study was to investigate the effect of bilateral symmetry of vertical time to stabilization (vTTS) in postural sway after double-leg landing (DLL) in elite athletes with unilateral CAI.

Methods: Twenty professional players with unilateral CAI and ten healthy controls were assigned to three groups (soccer, basketball, and control groups, n = 10 each). Read More

Foot Ankle Int 2022 May 26:10711007221092756. Epub 2022 May 26.

Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, Beijing, China.

Background: Arthroscopic resection of the talocalcaneal coalition (TCC) has been reported to be associated with good short-term outcomes. However, the midterm outcomes of this approach remain uncertain.

Methods: We performed a retrospective study of patients who underwent arthroscopic resection for symptomatic TCC. Read More

Endocr Metab Immune Disord Drug Targets 2022 May 23. Epub 2022 May 23.

Department of Basic Medical Sciences, Neuroscience and Sensory Organs, University of Bari "Aldo Moro", Policlinico of Bari, Piazza G. Cesare 11, 70124 Bari, Italy.

Background And Objective: Ankle sprains, very common injuries occurred especially during sports activities, are mainly caused by indirect trauma, which influences exaggerated stress exceeding the strength of stabilization mechanisms. Up to 85% of such injuries result from a sudden flexion and inversion of the foot. In this study, we analyzed the effectiveness of the platform Pro-kin, an innovative system that has given us the possibility to combine the functionality of the older proprioceptive boards with very accurate software in order to improve and accelerate the recovery after ankle injuries. Read More

Front Surg 2022 9;9:816669. Epub 2022 May 9.

Department of Sports Medicine, Peking University Third Hospital, Beijing, China.

Purpose: This study aims to evaluate the mid- to long-term outcome of concurrent arthroscopic treatment of osteochondral lesion (OCL) and open anatomical repair of lateral ankle ligaments for severe acute ankle sprain patients and compare them to the outcome of those without OCL.

Methods: A total of 166 patients with grade III acute lateral ankle ligament injuries underwent concurrent ankle arthroscopy and open anatomic ligament repair. Forty-three patients (group A) with OCL underwent arthroscopic treatment followed by open ligament repair. Read More

Front Aging Neurosci 2022 3;14:819576. Epub 2022 May 3.

Institute of Gerontology, Wayne State University, Detroit, MI, United States.

With advanced age, there is a loss of reaction speed that may contribute to an increased risk of tripping and falling. Avoiding falls and injuries requires awareness of the threat, followed by selection and execution of the appropriate motor response. Using event-related potentials (ERPs) and a simple visual reaction task (RT), the goal of our study was to distinguish sensory and motor processing in the upper- and lower-limbs while attempting to uncover the main cause of age-related behavioral slowing. Read More

Foot Ankle Orthop 2022 Apr 16;7(2):24730114221096482. Epub 2022 May 16.

Department of Orthopedic Surgery, The Warren Alpert Medical School at Brown University, East Providence, RI, USA.

Background: Syndesmotic ankle sprains are common and challenging injuries for athletes. The management of such injuries is controversial, with a paucity of evidence on treatment protocols with unpredictability regarding the time lost to participate in sports following injury. The present study seeks to review and report the return to play (RTP) time and examine the outcomes and complications of ankle syndesmotic sprains in the athletic population. Read More

J Biomech 2022 Jun 15;139:111145. Epub 2022 May 15.

State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China. Electronic address:

Strike index is a measurement of the center of pressure position relative to the foot length, and it is regarded as a gold standard in classifying strike pattern in runners. However, strike index requires sophisticated laboratory equipment, e.g. Read More

Am J Sports Med 2022 May 20:3635465211069562. Epub 2022 May 20.

Department of Orthopaedic Surgery, MedStar Union Memorial Hospital, Baltimore, Maryland, USA.

Background: No study has provided a comprehensive systematic review of sports injuries on artificial turf versus natural grass.

Purpose: To comprehensively examine the risk of overall injuries and multiple types of lower extremity injuries across all sports, all levels of competition, and on both old-generation and new-generation artificial turf.

Study Design: Systematic review; Level of evidence, 3. Read More

Sensors (Basel) 2022 Apr 30;22(9). Epub 2022 Apr 30.

Department of Computer Science and Information Engineering, National Taipei University, New Taipei City 237303, Taiwan.

Women often wear high-heeled shoes for professional or esthetic reasons. However, high-heeled shoes can cause discomfort and injury and can change the body's center of gravity when maintaining balance. This study developed an assessment system for predicting the maximal safe range for heel height by recording the plantar pressure of participants' feet by using force-sensing resistor (FSR) sensors and conducting analyses using regression models. Read More

J Clin Med 2022 Apr 30;11(9). Epub 2022 Apr 30.

Department of Foot and Ankle Surgery, Berufsgenossenschaftliche Unfallklinik Frankfurt am Main, 60389 Frankfurt, Germany.

Background: Acute syndesmosis injury (ASI) is an indication for surgical stabilization if instability is confirmed. In recent years, fixation using the knotless suture-button (SB) device has become increasingly established as an alternative to set screw fixation (SF). This study directly compared the clinical long-term results after prospective randomized inclusion. Read More

Front Sports Act Living 2022 26;4:824183. Epub 2022 Apr 26.

School of Sport and Exercise Science, Liverpool John Moores University, Liverpool, United Kingdom.

Purpose: Midsole cushioning thickness (MT) is a key component of running footwear that may influence the stiffness setting of the joints, performance enhancement, and injury prevention. Most studies that have investigated the influence of manipulating shoe midsole characteristics on foot strike patterns and vertical force loading rates have not considered the dynamic conditions of initial landing and the associated initial lower limb joint stiffness. In this study, we examined the effect of running in shoes with large changes in MT on both the posture and dynamics associated with foot strike. Read More

J ISAKOS 2022 04 14;7(2):62-66. Epub 2022 Jan 14.

Department of Orthopaedics, Sahlgrenska University Hospital, Sahlgrenska Academy, Gothenburg University, Göteborg, Sweden.

Background: The evidence supporting best practice guidelines in the field of cartilage repair of the ankle is based on both low quality and low levels of evidence. Therefore, an international consensus group of experts was convened to collaboratively advance toward consensus opinions based on the best available evidence on key topics within cartilage repair of the ankle. The purpose of this article is to report the consensus statements on "terminology for osteochondral lesions of the ankle" developed at the 2019 International Consensus Meeting on Cartilage Repair of the Ankle. Read More

Sports Health 2022 May-Jun;14(3):309-310

J ISAKOS 2022 02 17;7(1):13-18. Epub 2021 Nov 17.

Duke University School of Medicine, Department of Orthopedic Surgery, Durham, NC, USA.

Objectives: Although the body of literature on syndesmosis injuries is growing with regard to both the biomechanics and clinical outcomes for various fixation constructs, there is little consensus on the optimal treatment and return to sport strategy for these injuries. We endeavoured to assess the current approaches to managing syndesmotic injuries through a Research Electronic Data Capture survey.

Methods: The survey consisted of 27 questions, including respondent demographics, indications for treatment of syndesmotic injuries, preferred treatment and technique, and postoperative management. Read More

Neurol India 2022 Mar-Apr;70(2):618-622

Department of Physical Medicine and Rehabilitation, Başkent University Medical School Hospital, Ankara, Turkey.

Background: Prescription of orthoses and assistive devices that facilitate physical function is a major component of the rehabilitation process in spinal cord injury (SCI).

Objective: To evaluate the long-term use of orthoses prescribed during inpatient rehabilitation in people with SCI and investigate the factors related to discarding the device.

Materials And Methods: Medical records of 202 SCI patients who were included in an inpatient rehabilitation program of a tertiary research hospital were reviewed retrospectively. Read More

Knee Surg Sports Traumatol Arthrosc 2022 May 6. Epub 2022 May 6.

Foot and Ankle Research and Innovation Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.

Purpose: This study aim was to detect the impact of lateral ankle ligaments injury on syndesmotic laxity when evaluated arthroscopically in a cadaveric model. The null hypothesis was that lateral ankle ligament injury does not affect the stability of syndesmosis.

Methods: Sixteen fresh-frozen above-knee amputated cadaveric specimens were divided into two groups of eight specimens that underwent arthroscopic evaluation of the distal tibiofibular joint. Read More

J Foot Ankle Surg 2022 May-Jun;61(3):676-677

Department of Orthopedic Surgery, Amsterdam Movement Sciences, Amsterdam UMC, Location AMC, University of Amsterdam, Amsterdam, The Netherlands; Academic Center for Evidence based Sports medicine (ACES), Amsterdam UMC, Amsterdam, The Netherlands; Amsterdam Collaboration for Health and Safety in Sports (ACHSS), International Olympic Committee (IOC) Research Center, Amsterdam UMC, Amsterdam, The Netherlands. Electronic address:

Clin Biomech (Bristol, Avon) 2022 May 27;95:105656. Epub 2022 Apr 27.

University of North Carolina at Charlotte, Charlotte, NC, United States of America.

Background: Individuals with chronic ankle instability typically present with abnormal gait patterns favoring the lateral foot. This gait pattern may alter cartilage stress potentially increasing the risk of osteoarthritis development, thus exploring this relationship may provide insights for early interventions. The purpose of this study was to examine the relationship gait biomechanics and talar articular cartilage characteristics. Read More

Sports Health 2022 May 2:19417381221092024. Epub 2022 May 2.

Sports Medicine Institute Hospital for Special Surgery, New York, New York.

Background: Professional baseball pitchers sustain 75% of knee injuries while at the pitcher's mound, yet no pitching motion has been associated directly with such injuries. Stride width is a potential, modifiable risk factor worth investigating.

Hypothesis: Increased stride width in both the positive and negative directions (deviations from neutral stride width) would correlate with increased incidence of knee injury in pitchers. Read More