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Physical Therapy in Sport

Mark Roe, Shane Malone, Eamonn Delahunt, Kieran Collins, Conor Gissane, Ulrik McCarthy Persson, John C Murphy, Catherine Blake
OBJECTIVE: Report eccentric knee flexor strength values of elite Gaelic football players from underage to adult level whilst examining the influence of body mass and previous hamstring injury. DESIGN: Cross-sectional study. SETTING: Team's training facility. PARTICIPANTS: Elite Gaelic football players (n = 341) from under 14 years to senior age-grades were recruited from twelve teams. MAIN OUTCOME MEASURES: Absolute (N) and relative (N·kg-1 ) eccentric hamstring strength as well as corresponding between-limb imbalances (%) were calculated for all players...
March 1, 2018: Physical Therapy in Sport
Giovanna Camparis Lessi, Rodrigo Scattone Silva, Fábio Viadanna Serrão
OBJECTIVES: Studies comparing the effects of fatigue between men and women after anterior cruciate ligament (ACL) reconstruction are lacking. The purpose of this study was to compare the effects of muscle fatigue on trunk, pelvis and lower limb kinematics and on lower limb muscle activation between male and female athletes who underwent ACL reconstruction. DESIGN: Cross-sectional study. SETTING: Laboratory setting. PARTICIPANTS: Fourteen recreational athletes (7 males and 7 females) with unilateral ACL reconstruction participated of this study...
February 5, 2018: Physical Therapy in Sport
Benoît Gillet, Mickaël Begon, Marine Diger, Christian Berger-Vachon, Isabelle Rogowski
OBJECTIVE: To assess the effect of a history of shoulder problems on the shoulder flexibility and strength in young competitive tennis players. DESIGN: Cross-sectional study. PARTICIPANTS: Ninety-one competitive and asymptomatic tennis players aged between 8 and 15 years old were divided into two groups according to the presence or absence of a history of shoulder problems. OUTCOME MEASURES: Glenohumeral joint ranges of motion and the strength of eight shoulder muscles were bilaterally assessed...
February 2, 2018: Physical Therapy in Sport
Paula C Charlton, Benjamin Raysmith, Martin Wollin, Simon Rice, Craig Purdam, Ross A Clark, Michael K Drew
OBJECTIVES: To evaluate strength and flexibility measures pre- and post- Australian Football (AF) competition to determine their potential utility as secondary prevention measures. DESIGN: Cohort study. SETTING: Semi-professional AF club. PARTICIPANTS: Ten male AF athletes (mean ± SD; age, 21.3 ± 2.2 years; height, 186.1 ± 6.3 cm; weight, 83.5 ± 8.6 kg). MAIN OUTCOME MEASURES: Maximal unilateral isometric knee flexion strength performed in 45 degrees of hip flexion and 30 degrees of knee flexion, flexibility measures of hip and knee extension and ankle dorsiflexion...
February 2, 2018: Physical Therapy in Sport
Alon Rabin, Ofira Einstein, Zvi Kozol
OBJECTIVE: To explore the association between ankle dorsiflexion (DF) range of motion (ROM), and hip abductor muscle strength, to visually-assessed quality of movement during jump-landing. DESIGN: Cross-sectional. SETTING: Gymnasium of participating teams. PARTICIPANTS: 37 female volleyball players. MAIN OUTCOME MEASURES: Quality of movement in the frontal-plane, sagittal-plane, and overall (both planes) was visually rated as "good/moderate" or "poor"...
January 17, 2018: Physical Therapy in Sport
Ross Armstrong, Matt Greig
OBJECTIVES: Agility is a functional requirement of many sports, challenging stability, and commonly cited as a mechanism of injury. The Functional Movement Screen (FMS) and modified Star Excursion Balance Test (mSEBT) have equivocally been associated with agility performance. The aim of the current study was to establish a hierarchical ordering of FMS and mSEBT elements in predicting T-test agility performance. DESIGN: Cross-sectional study design. SETTING: University...
January 17, 2018: Physical Therapy in Sport
Catherine Turner, Sarah Crow, Thomas Crowther, Brittany Keating, Trenton Saupan, Jason Pyfer, Kimberly Vialpando, Szu-Ping Lee
OBJECTIVES: To investigate the effects of dance experience and movement instruction on lower extremity kinematics and muscle activation during a landing task. DESIGN: Cross-sectional case control. SETTING: Laboratory setting. PARTICIPANTS: 27 female subjects (age 18-25) in 2 groups: dancers (n = 12) and non-dancers (n = 15). MAIN OUTCOME MEASURES: Lower extremity biomechanics during drop landing were analyzed...
December 23, 2017: Physical Therapy in Sport
Yi-Fen Shih, Hsiang-Ting Yu, Wen-Yin Chen, Kwong-Kum Liao, Hsiu-Chen Lin, Yea-Ru Yang
OBJECTIVES: To examine the effects of joint mobilization and exercise training on neuromuscular performance in individuals with functional ankle instability (FAI). DESIGN: A cross-sectional study. PARTICIPANTS: Forty five subjects with FAI were randomized into three groups: control (CG, n = 15, 27.9 ± 6.6yr), training (TG, n = 15, 26.9 ± 5.8yr) and mobilization with training group (MTG, n = 15, 26.5 ± 4.8yr). INTERVENTION: Four weeks of neuromuscular training for TG; neuromuscular training and joint mobilization for MTG...
December 20, 2017: Physical Therapy in Sport
John J Fraser, L Colby Mangum, Jay Hertel
OBJECTIVE: To establish test-retest reliability of Intrinsic Foot Muscle (IFM) motor function measured using ultrasound imaging (USI). SETTING: Laboratory. DESIGN: Reliability Study. PARTICIPANTS: 24 healthy young adults without history of ankle-foot injury. MAIN OUTCOME MEASURES: Ultrasound measures of Abductor hallucis (AbdH), flexor digitorum brevis (FDB), quadratus plantae (QP) and flexor hallucis brevis (FHB) cross-sectional area (CSA) and thickness were assessed on 2 occasions, 3-10 days apart...
March 2018: Physical Therapy in Sport
Aleksandra Katarzyna Mącznik, Anthony Gerard Schneiders, Josie Athens, Stephen John Sullivan
OBJECTIVES: To survey potential stakeholders to obtain information relevant to the production of a video on teaching acupressure for sports injury management, and gain feedback from potential users on the prototype video. DESIGN: Focus groups and online survey methods nested within a knowledge translation framework. PARTICIPANTS: Four focus groups (n = 24) were conducted, two with sports medics and two with sports physiotherapists as a part of the development of a prototype video...
January 2018: Physical Therapy in Sport
Deepika Singla, M Ejaz Hussain, Jamal Ali Moiz
OBJECTIVE: To determine the impact of upper body plyometric training (UBPT) on physical performance parameters such as strength, ball throwing speed, ball throw distance and power in healthy individuals. METHODS: PubMed, Scopus, ResearchGate and ERIC databases were searched up to August 2017. Selection of articles was done if they described the outcomes of an upper body plyometric exercise intervention; included measures of strength, ball throwing speed, ball throw distance, or power; included healthy individuals; used a randomized control trial; and had full text available in English language...
January 2018: Physical Therapy in Sport
Richard W Willy
Running-related injuries are common and are associated with a high rate of reoccurrence. Biomechanics and errors in applied training loads are often cited as causes of running-related injuries. Clinicians and runners are beginning to utilize wearable technologies to quantify biomechanics and training loads with the hope of reducing the incidence of running-related injuries. Wearable devices can objectively assess biomechanics and training loads in runners, yet guidelines for their use by clinicians and runners are not currently available...
January 2018: Physical Therapy in Sport
Laura M Schwab, Peter Blanch, Mark Young
INTRODUCTION: The use of novel bioengineer treatment techniques such as Autologous Tenocyte Implantation (ATI) have shown promising improvements in both pain ratings and functional outcomes in elbow, gluteal and shoulder tendon pathology. This case will review the injury timeline of ATI intervention in an elite male swimmer with subscapularis tendon pathology and investigate whether ATI has a concomitant healing effect associated with improved functional outcomes. METHODS: A palmaris longus tendon biopsy was performed and cells were expanded by in-vitro culture...
January 2018: Physical Therapy in Sport
Sally J McLaine, Karen A Ginn, James W Fell, Marie-Louise Bird
OBJECTIVES: A history of shoulder pain is common in swimmers and may influence scapular position, possibly increasing the risk of shoulder pain recurring. The aim of this study was to establish and compare bilateral static measures of scapular upward rotation in swimmers (14-20 years), some with a history of shoulder pain but all currently pain free, in two different elevated positions of shoulder abduction. DESIGN: Cross-sectional, observational study. PARTICIPANTS: Eighty-five swimmers without current shoulder pain...
January 2018: Physical Therapy in Sport
Yuri Lopes Lima, Victor Matheus Leite Mascarenhas Ferreira, Pedro Olavo de Paula Lima, Márcio Almeida Bezerra, Rodrigo Ribeiro de Oliveira, Gabriel Peixoto Leão Almeida
OBJECTIVE: The objective of this systematic review was to evaluate the association between ankle dorsiflexion (ADF) and dynamic knee valgus (DKV). METHODS: Electronic searches were conducted in MEDLINE, EMBASE, CINAHL and SPORTDiscus. A modified Downs and Black checklist was used for quality assessment and meta-analysis was performed to compare standardised mean differences (SMD) of ADF. RESULTS: Seventeen studies met the inclusion criteria...
January 2018: Physical Therapy in Sport
Fernanda A P Habechian, Ana Letícia Lozana, Paula R Camargo
OBJECTIVES: To compare the humeral retrotorsion (HRT) among non-athletes, amateur swimmers and competitive swimmers and to analyze the relationship between HRT and swim volume in competitive swimmers. DESIGN: Cross-sectional. SETTING: Laboratory. PARTICIPANTS: Ninety children and adolescents, both genders (30 non-athletes: 11.50 ± 1.94 years; 30 amateur swimmers: 11.56 ± 1.81 years; and 30 competitive swimmers: 12...
November 8, 2017: Physical Therapy in Sport
Tarbie Van Tonder, Garry T Allison, Diana Hopper, Tiffany L Grisbrook
OBJECTIVES: Evaluate the acute effect of low-Dye, placebo and no tape on motor behaviour in individuals with plantar fasciitis (PF). DESIGN: Prospective, experimental. SETTING: Motion analysis laboratory. PARTICIPANTS: Ten participants with PF and ten matched controls. MAIN OUTCOME MEASURES: Hopping behaviour (lower-limb stiffness and ankle angle at peak loading) were evaluated during low-load sleigh hopping, during three taping conditions...
November 8, 2017: Physical Therapy in Sport
A Colclough, A G Munro, L C Herrington, J J McMahon, P Comfort
OBJECTIVES: To investigate the effects of a four week jump training program on frontal plane projection angle (FPPA) in young female gymnasts. DESIGN: Intervention study, consisting of a four week jump training program performed for 15 min as part of a warm-up, three days per week for four weeks. SETTING: Gymnastics training center. PARTICIPANTS: Fourteen youth female gymnasts (age: 13.5 ± 2.14 years, height: 1.54 ± 0...
November 7, 2017: Physical Therapy in Sport
Felipe S Serenza, Anamaria S Oliveira, Bruno L S Bedo, Fàbio P Mariano, Rodrigo Aquino, Martin Warner, Paulo R P Santiago
OBJECTIVES: To compare the kinematics and electromyography of the periscapular muscles in swimmers before and after a 3-min maximal effort test. PARTICIPANTS: 16 competitive swimmers. MAIN OUTCOME MEASUREMENTS: Infrared cameras were used to record kinematics in the scapular plane in synchronization with the electromyography system. RESULTS: There was an increase in internal rotation in all angles (p < 0.05), an increase of the anterior tilt, with 120° of elevation (p = 0...
November 6, 2017: Physical Therapy in Sport
Christopher T V Swain, Elizabeth J Bradshaw, Douglas G Whyte, Christina L Ekegren
OBJECTIVES: To determine the prevalence of low back pain (LBP) in pre-professional and professional dancers and its impact on dance participation, care-seeking and medication use. DESIGN: Prospective cohort study. SETTING: One pre-professional ballet school, two pre-professional university dance programs, and a professional ballet company. PARTICIPANTS: Male and female classical ballet and contemporary dancers. MAIN OUTCOME MEASURES: An initial questionnaire collected demographic and LBP history data...
November 3, 2017: Physical Therapy in Sport
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