Persistent knee flexor strength deficits identified through the NordBord eccentric test not seen with "gold standard" isokinetic concentric testing during the first year after anterior cruciate ligament reconstruction with a hamstring tendon autograft.

Objective: To investigate the recovery of knee flexor muscle strength evaluated with a Nordic hamstring eccentric test (NordBord) compared with an isokinetic concentric test (Biodex) during the first year after anterior cruciate ligament (ACL) reconstruction using a hamstring tendon autograft.

Design: Prospective observational registry study; level of evidence, 3.

Setting: Primary care.

The effects of the FIVE futsal injury prevention program on lower limb muscle strength among young futsal players.

Background: Our previous study has developed FIVE, futsal neuromuscular warm-up program to improve physical performance components and prevent the incidence of futsal injury. Experimental research was needed to verify the effect of FIVE program on physical performance components affecting injury, such as lower limb muscle strength. This study aimed to investigate the effect of FIVE program on the lower limb muscle strength among young futsal players.

Custom-made foot orthoses with and without heel plugs and their effect on plantar pressures during treadmill walking.

Background: Foot orthoses have consistently demonstrated an improvement in pain scores for plantar fasciitis. The fabrication of custom-made foot orthoses (CFOs) can vary between clinicians and may include the use of different materials and casting techniques. This cross-sectional study's objective was to quantify plantar pressure for two CFOs, one with a heel plug (HP) and one without.

Elucidation of abductor digiti minimi activity in chronic ankle instability.

[Purpose] This study aimed to compare the muscle activity around the foot and ankle joints, notably of the abductor digiti minimi, between affected and unaffected sides of individuals with chronic ankle instability. [Participants and Methods] Twelve adult males with chronic ankle instability in one ankle (age, 27.7 ± 5.

The use of intra-articular platelet rich plasma for the symptomatic management of osteoarthritis of the knee: a pilot study.

Background: Osteoarthritis of the knee is a chronic inflammatory condition resulting in significant patient disability, with intra-articular platelet rich plasma (PRP) injections having shown potential to improve symptomatic outcomes. This retrospective cohort pilot study aimed to observe whether PRP injections were beneficial in the symptomatic management of knee osteoarthritis in an Australian population, based on patient reported outcomes. An additional aim was to observe for an association between the number of injections and patient characteristics, such as body mass index, age, sex and radiologically determined severity of the disease.

Fresh Osteochondral Allograft in a Complex Hoffa Fracture - Case Report.

Hoffa fracture (HF) typically involves the posterior femoral condyle in the sagittal plane, with an estimated incidence of 0.65% among femoral fractures. It usually occurs at the lateral femoral condyle in high-energy trauma with axial load force over the distal third of the femur and the knee positioned in more than 90° of flexion.

Histopathology of long head of biceps tendon removed during tenodesis demonstrates degenerative histopathology and not inflammatory changes.

Background: The aim of this study is to describe and quantitatively analyze the histopathology of proximal long head biceps (LHB) tendinopathy in patients who have undergone LHB tenodesis. The hypothesis is that severe histopathologic changes of the LHB tendon (LHBT) will most likely be reflected with improved postoperative clinical outcomes.

Methods: The study included patients with isolated LHB tendinopathy or LHB tendinopathy associated with concomitant shoulder pathologies.

Ultrasound-guided, minimally invasive looped thread fasciotomy for chronic exertional compartment syndrome of the lower leg: A cadaveric feasibility study.

Background: - Chronic exertional compartment syndrome (CECS) is an exertional pain syndrome that typically affects the lower legs of participants involved in high-intensity running or marching activities. Surgical open fasciotomy is the standard treatment for recalcitrant cases of CECS. Alternative, minimally invasive fasciotomy techniques are emerging which may reduce rates of procedural complications and expedite recovery.

Patients with chronic Achilles tendon rupture have persistent limitations in patient-reported function and calf muscle function one year after surgical treatment - a case series.

Purpose: Evaluate the one-year postoperative outcomes in patients with Chronic Achilles tendon rupture.

Methods: Patients surgically treated for Chronic Achilles tendon rupture (n = 22, 14 males and 8 females, mean age 61 ± 15) were evaluated by Achilles tendon Total Rupture Score, The Physical Activity Scale, The Foot and Ankle Outcome Score, Calf muscle endurance test, counter movement jump, Hopping, ultrasound measurement of tendon length, Achilles Tendon Resting Angle, dorsi flexion range of motion and calf muscle circumference. Muscle function and tendon length outcomes on the injured side were compared with the healthy side.

Biomechanical Assessment of Knee Laxity After a Novel Posterolateral Corner Reconstruction Technique.

Background: Different techniques to restore knee stability after posterolateral corner (PLC) injury have been described. The original anatomic PLC reconstruction uses 2 separate allografts to reconstruct the PLC. Access to allograft tissue continues to be a significant limitation of this technique, which led to the development of a modified anatomic approach utilizing a single autologous semitendinosus graft fixed on the tibia with an adjustable suspensory loop to enable differential tensioning of the PLC components.

The psychological impact of COVID-19 infection on athletes: example of professional male football players.

: The purpose of this study was to evaluate the psychological state of professional male football players who were infected by COVID-19.: The Depression Anxiety Stress Scale 21 and Kessler Psychological Distress Scale were sent to players' smartphones by sharing a link to the questionnaire. A total of 523 professional football players aged between 18-38 years from 93 different sports clubs participated in the study.

Self-Reported Symptoms of Depression and Anxiety After ACL Injury: A Systematic Review.

Background: Depression and anxiety symptoms can occur in patients following an anterior cruciate ligament (ACL) injury, and the presence of these symptoms has been associated with poorer self-reported knee function in this type of injury.

Purpose: To investigate the prevalence and severity of self-reported symptoms of depression and anxiety following an ACL injury.

Study Design: Systematic review; Level of evidence, 4.

Review: The impact of climate change awareness on children's mental well-being and negative emotions - a scoping review.

Background: Climate change is a threat to children's physical health, but there are also implications for mental well-being. Additionally, children may experience negative emotional responses stemming from an overarching awareness of the imminent threats to the planet due to climate change.

Method: Using a scoping review, we examined the impact of climate change awareness on children's mental well-being and negative emotions.

Validation of the Copenhagen Hip and Groin Outcome Score (HAGOS) using modern test theory across different cultures and languages: a cross-sectional study of 452 male athletes with groin pain.

Bkground: No studies have tested the validity of the Copenhagen Hip and Groin Outcome Score (HAGOS) using modern test theory, across different cultures and languages.

Objective: To validate the Danish, English and Norwegian versions of HAGOS and its six subscales (Symptoms (S, Item 1-7), Pain (P, Item 1-10), activities of daily living (Item 1-5), Sport and recreation (Sport/rec, Item 1-8), Participation in physical activity (item 1-2) and quality of life (item 1-5)) by evaluating differential item functioning (DIF) and measurement invariance across the three language versions in male multidirectional team athletes with groin pain. Second, to modify subscales depending on goodness-of-fit to the item response theory models and calculate conversion tables if language DIF was observed.

Survivorship Rate and Clinical Outcomes 10 Years After Arthroscopic Correction of Symptomatic Femoroacetabular Impingement.

Background: Femoroacetabular impingement (FAI) is a common mechanical hip condition, prevalent in both the athletic and the general population. Surgical intervention is an effective treatment option that improves both symptoms and function in short- to medium-term follow-up. Few studies within the literature have reported the longer-term success of arthroscopic surgery.

Genu Valgum Correction and Biplanar Osteotomies.

Valgus malalignment is an important risk factor in recurrent patella instability. This article explores the role of corrective osteotomy and discusses the various described methods both on the femoral and tibial sides of the joint. A detailed operative technique of medial closing wedge distal femoral osteotomy is included.

Running Performance during the Holy Month of Ramadan in Elite Professional Adult Soccer Players in Russia.

Religious fasting in the Holy Month of Ramadan is an important element of the Muslim culture during which no eating or drinking is permitted from dawn till dusk. A considerable number of Muslim soccer players abide by these restrictions, which may cause a negative impact on key running performance parameters during competitive matches. Alterations to diet and water intake during the Holy Month of Ramadan may affect various running performance parameters in elite Muslim professional adult soccer players.

A Novel Treatment of Painful Medial Collateral Ligament Calcification (Pellegrini-Stieda Syndrome): A Case Report.

A 63-year-old healthy woman was diagnosed clinically and radiographically with Pellegrini-Stieda syndrome. She had failed to improve with 6 months of conservative management using oral anti-inflammatories and physiotherapy. Local corticosteroid injections were offered on 2 occasions, 4 months apart, and provided excellent but only temporary relief of symptoms.

Systematic Arthroscopic Treatment of Synovial Chondromatosis of the Knee.

Synovial chondromatosis is a benign metaplastic disease of the synovial joints, characterized by the development of cartilaginous nodules in the synovium. Treatment generally includes open or arthroscopic loose body removal combined with a synovectomy. An all-arthroscopic approach has been described to minimize complications and reduce morbidity while providing adequate control of local disease.

Arch Height Index, Arch Rigidity Index, and Arch Stiffness Values in a Symptomatic Population.

Background: Studies of arch height index (AHI), arch rigidity index (ARI), and arch stiffness have primarily focused on healthy populations. Normative values of the aforementioned measurements in a pathologic sample may be useful in identifying relationships between arch structure and pathology.

Methods: AHI was obtained bilaterally at 10% and 90% weightbearing conditions using the AHI measurement system.

Validation of an 18-item version of the Swedish Knee Self-Efficacy Scale for patients after ACL injury and ACL reconstruction.

Purpose: To evaluate the measurement properties of a new version of the Swedish Knee Self-Efficacy Scale (K-SES) in samples of individuals with an anterior cruciate ligament (ACL) injury and after ACL reconstruction. A secondary aim was to translate the new version of K-SES into English in order to prepare for future complete cross-cultural adaptation.

Methods: The reliability, structural validity, internal consistency and construct validity of the new, 18-item version of the K-SES (K-SES) were assessed according to the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) checklist for evaluating methodological quality.

Role of club doctors in the mental health management of Australian rules football players: a Delphi study.

Professional team athletes experience a range of mental health problems, both sports and non-sports related. However, there is limited information available for those charged with responsibility for managing these mental health conditions, particularly within the context of professional sporting clubs. This paper reports on consensus findings from a study of club doctors, who are primary care providers for professional team athletes within a specific code, the Australian Football League (AFL).

Adolescents Have Twice the Revision Rate of Young Adults After ACL Reconstruction With Hamstring Tendon Autograft: A Study From the Swedish National Knee Ligament Registry.

Background: Previous studies have identified young age as a risk factor for anterior cruciate ligament (ACL) revision. However, few studies have looked separately at pediatric patients and adolescents with regard to outcomes after ACL reconstruction.

Purpose: To determine whether patient age at ACL reconstruction affects the risk of undergoing revision surgery in young patients.

Static and Dynamic Balance Assessment in Healthy and Concussed Adolescent Athletes.

Objective: The purpose of this study was to explore the utilization of the Y Balance Test (YBT) alongside the Balance Error Scoring System (BESS) during examination of healthy adolescent athletes (14-18 year old) as well as those with acute and chronic concussion.

Design: A repeated-measures study of balance in a cross-sectional convenience sample of adolescents participating in high-school athletics.

Setting: Data were collected on healthy athletes in their school setting for comparison purposes and on concussed athletes in the physical therapy rehabilitation center at the hospital.