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Physical Therapy in Sport

Jun Zhou, Yuan Liao, Haitao Xie, Ying Liao, Huifang Liu, Yahua Zeng, Neng Li
OBJECTIVES: We assessed the effects of pulsed electromagnetic field (PEMF) on cartilage degeneration, and expression of mitogen-activated protein kinases (MAPKs) and matrix metalloproteinases (MMPs), in an experimental rat model of osteoarthritis induced by anterior cruciate ligament transection (ACLT). DESIGN: Experimental. SETTING: University animal laboratory. PARTICIPANTS: 30 male Sprague-Dawley rats. MAIN OUTCOME MEASURES: We performed histological examination, enzyme-linked immunosorbent assay, quantitative real-time polymerase chain reaction, to assess cartilage degeneration, urine C-terminal cross-linking telopeptide of type II collagen (CTX-II), and mRNA expression of extracellular signal-regulated kinase (ERK), c-Jun N-terminal kinase (c-Jun), p38, and MMPs...
October 27, 2016: Physical Therapy in Sport
Renato R Azevedo, Emmanuel S da Rocha, Pedro S Franco, Felipe P Carpes
BACKGROUND: Asymmetries in the magnitude of plantar pressure are considered a risk factor for stress fracture of the fifth metatarsal in soccer athletes. OBJECTIVE: To investigate the presence of plantar pressure asymmetries among young soccer athletes. DESIGN: Observational. SETTING: Laboratory. PARTICIPANTS: Thirty young adolescents divided into a soccer player group (n = 15) or a matched control group (n = 15)...
October 24, 2016: Physical Therapy in Sport
Patrick S Pabian, Leonardo Oliveira, Jennifer Tucker, Morris Beato, Carlos Gual
Due to the high incidence of sports concussion, various health and medical providers are likely to encounter athletes who have sustained such an injury. Management of concussion necessitates coordinated care by the members of the sports medicine team due to its pathophysiology and complexity of management during recovery. All members of the sports medicine team must possess contemporary knowledge of concussion management as well as strong interprofessional communication skills to ensure effective care and safe return to sports participation...
September 9, 2016: Physical Therapy in Sport
Christian Tröbinger, Christian J Wiedermann
OBJECTIVE: To describe the association of bodybuilding abdominal exercise with the development of superficial sclerosing thrombophlebitis of the anterolateral thoracoabdominal wall. DESIGN: A single case study. SETTING: University-affiliated regional community hospital. CASE DESCRIPTION: A 54-year-old man presented with an otherwise unremarkable past medical history 4 weeks after the start of left-sided chest discomfort...
September 4, 2016: Physical Therapy in Sport
Daniel Bailey, Paul Firth
OBJECTIVE: To determine whether the bilateral application of kinesiology tape (KT) to professional footballers' ankles can improve their lower limb proprioception. DESIGN: A single blind randomised crossover study. Participants were randomly assigned to complete a proprioception test in either a taped or not taped condition first. Following a wash out period, participants were then re-tested in the alternate condition. SETTING: A UK Championship League Football Club, mid-season...
September 3, 2016: Physical Therapy in Sport
Osman H Ahmed, Richard Weiler
No abstract text is available yet for this article.
September 2016: Physical Therapy in Sport
K L Holt, D P Raper, C E Boettcher, G S Waddington, M K Drew
OBJECTIVES: To investigate inter and intra-rater reliability of hand held (HHD) and externally fixed (EFD) dynamometry for shoulder internal (IR) and external rotation (ER) strength and their correlation to isokinetic testing. DESIGN: Within participant, inter and intra-rater reliability study. PARTICIPANTS: Twenty active, healthy male and female participants underwent testing by two examiners. OUTCOME MEASURES: Intra-class coefficients (ICC), percentage standard error of measurement (%SEM), and percentage minimal detectable change (%MDC) were calculated for inter-rater, intra-day and intra-rater, inter-week reliability...
September 2016: Physical Therapy in Sport
Jill Thein-Nissenbaum
The postpartum period in a woman's life is filled with numerous changes, including physical changes, changes in sleep habits, and learning how to best care for a newborn. A common goal among postpartum women is to either begin or resume an active lifestyle, which often includes physical activity such as running, biking and swimming. The postpartum athlete may discover barriers that prevent her from returning to or beginning an exercise routine. These obstacles include muscle weakness, fatigue, depression and physical changes that require exercise modification...
September 2016: Physical Therapy in Sport
C J Clark, S Clark, C Dorey, J Williams
OBJECTIVES: To investigate concurrent validity of the Functional Difficulties Questionnaire (FDQ-9) using balance tasks on the SMARTwobbleboard. Poor balance is associated with reduced physical activity which may impact on quality of life. There is a requirement to use simple tests to assess balance so that suitable interventions can be employed to ameliorate poor balance and enhance uptake of physical activity. DESIGN: Observational study employing 30 healthy volunteers who completed the FDQ-9 and undertook three balance tasks on the SMARTwobbleboard: double leg stance eyes open (DLSEO); double leg stance eyes closed (DLSEC) and single leg stance eyes open (SLSEO)...
September 2016: Physical Therapy in Sport
Paulo Barreira, Ara Kassarjian, João Pedro Araújo, Ruben Ferreira, João Espregueira Mendes
OBJECTIVE: To describe a case of a professional football player with significant imaging findings despite a rather innocuous clinical presentation with gradual onset of calf pain and who was able to continue training and playing with minor medical intervention. To discuss some of the limitations of existing muscle injury grading systems and their potential to cover the full range of injury presentations for calf injuries. DESIGN: Case report. SETTING: A professional football player was assessed by physical examination, clinical testing and imaging (MRI) after a gradual onset of a calf injury...
September 2016: Physical Therapy in Sport
Silvia Ortega-Cebrian, Nicolleta Luchini, Rodney Whiteley
BACKGROUND: Dry needling (DN) is reported to decrease pain and improve functional movements yet the mechanisms remain unclear. Changes in muscle tone and other mechanical properties after DN could contribute to these findings but have not been investigated. OBJECTIVES: Examine EMG and passive mechanical properties of the quadriceps muscle before and after DN. DESIGN: EMG, MyotonPro and clinical measurements were taken pre and post DN. SETTING: Rehabilitation department at Aspetar Sports Medicine Hospital, Qatar...
September 2016: Physical Therapy in Sport
Luke Donovan, Joseph M Hart, Susan Saliba, Joseph Park, Mark A Feger, C Collin Herb, Jay Hertel
UNLABELLED: Patients with chronic ankle instability (CAI) have altered gait patterns, which are characterized by increased inversion positioning during gait. Ankle destabilization devices increase peroneus longus muscle activation during gait, which may increase eversion. OBJECTIVE: To determine whether incorporating destabilization devices into a 4-week impairment-based rehabilitation program has beneficial effects on gait biomechanics and surface electromyography (sEMG) compared to impairment-based rehabilitation without destabilization devices in CAI patients...
September 2016: Physical Therapy in Sport
Naoki Akazawa, Naomi Okawa, Masaki Kishi, Kiyoshi Nakatani, Katsuya Nishikawa, Daichi Tokumura, Yuji Matsui, Hideki Moriyama
OBJECTIVES: The purpose of this study was to examine the effect of long-term self-massage at the musculotendinous junction on hamstring extensibility, stiffness, stretch tolerance, and structural indices. DESIGN: Single-blind, randomized, controlled trial. SETTING: Laboratory. PARTICIPANTS: Thirty-seven healthy men. INTERVENTION: The right or left leg of each participant was randomly assigned to the massage group, and the other leg was assigned to the control group...
September 2016: Physical Therapy in Sport
Jahan Heidari, Tobias Mierswa, Jens Kleinert, Ida Ott, Claudia Levenig, Monika Hasenbring, Michael Kellmann
OBJECTIVE: In the general population, physical and mental stress factors are linked to chronic low back pain (LBP). The aim of the present study was to examine this association among athletes. DESIGN: Longitudinal study with a six-month interval between measurements. SETTING: Questionnaires were filled out at home, either in paper-pencil version or online. PARTICIPANTS: Eighty-two male and 57 female athletes (N = 139, MAge = 32...
September 2016: Physical Therapy in Sport
Helen Walker, Tania Pizzari, Henry Wajswelner, Peter Blanch, Laura Schwab, Kim Bennell, Belinda Gabbe
OBJECTIVES: Investigate reliability of shoulder internal and external rotation (IR, ER), abduction in internal rotation (ABIR) and combined elevation (CE) range of motion tests in competitive swimmers. DESIGN: Within participants, inter- and intra-examiner reliability. SETTING: Physiotherapy Department, University of Melbourne, Australia. PARTICIPANTS: 17 competitive swimmers (aged 12-24 years) who participate in at least 5 weekly swimming sessions and two physiotherapy examiners...
September 2016: Physical Therapy in Sport
Daniel Schuster, Paul A Jones
OBJECTIVES: The purpose of this study was to compare the relationships between horizontal (HDJ) and vertical drop jumps (VDJ) to sprint performance. DESIGN: Exploratory Study. SETTING: Laboratory. PARTICIPANTS: Nineteen male collegiate participants (22.5 ± 3.2 years, 181.1 ± 6.7 cm, 80.3 ± 9.6 kg). MAIN OUTCOME MEASURES: All participants performed VDJ and HDJ from a 20 cm height onto an AMTI force platform sampling at 1200 Hz before performing three 20 m sprints...
September 2016: Physical Therapy in Sport
Natália Franco Netto Bittencourt, Thiago Ribeiro Teles Santos, Gabriela Gomes Pavan Gonçalves, Amanda Priscila Coelho, Bárbara Gonçalves Braz de Magalhães Gomes, Luciana De Michelis Mendonça, Sérgio Teixeira Fonseca
OBJECTIVE: (1) To determine the reference values of hip abductor torque in youth athletes; (2) To investigate the influence of sex, age and sports on hip abductors torque. DESIGN: Cross-sectional. SETTING: Sports clubs. SUBJECTS: 301 volleyball, basketball and futsal athletes between 10 and 19 years of age. MAIN OUTCOME MEASURES: Mean value of three maximal isometric hip abductor torques, evaluated using a hand-held dynamometer...
September 2016: Physical Therapy in Sport
Tahir Masood, Kari Kalliokoski, Jens Bojsen-Møller, Taija Finni
Achilles tendon rupture (ATR) is the most common tendon rupture injury. The consequences of ATR on metabolic activity of the Achilles tendon and ankle plantarflexors are unknown. Furthermore, the effects of eccentric rehabilitation on metabolic activity patterns of Achilles tendon and ankle plantarflexors in ATR patients have not been reported thus far. We present a case study demonstrating glucose uptake (GU) in the Achilles tendon, the triceps surae, and the flexor hallucis longus of a post-surgical ATR patient before and after a 5-month eccentric rehabilitation...
September 2016: Physical Therapy in Sport
Matt Konopinski, Ian Graham, Mark I Johnson, Gareth Jones
BACKGROUND: A recent study demonstrated joint hypermobility increased the incidence of injury in an elite football team utilising a univariate statistical model. OBJECTIVES: To compare injury incidence between hypermobile and non-hypermobile elite football players incorporating a multi-site design and multivariate inferential statistics. METHODS: 80 players comprising 3 English Championship football teams were followed prospectively during the 2012-2013 season...
September 2016: Physical Therapy in Sport
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