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Jeong-Ku Ha, Dhong-Won Lee, Jin-Goo Kim
BACKGROUND: Numerous studies have elucidated the functional anatomy and biomechanics of the anterior cruciate ligament (ACL), as a result, double-bundle (DB) ACL reconstruction has received much attention and has become a popular choice because it gives better rotational stability. Many other studies, however, found no differences with respect to stability, and/or other clinical outcomes between the DB and single-bundle (SB) techniques. There is still not enough evidence as to whether the anatomical DB anterior cruciate ligament reconstruction (ACLR) is superior to anatomical SB reconstruction...
September 2016: Indian Journal of Orthopaedics
Wouter J Harmsen, Gerard M Ribbers, Bart Zegers, Emiel M Sneekes, Stephan F E Praet, Majanka H Heijenbrok-Kal, Ladbon Khajeh, Fop van Kooten, Sebastiaan J C M M Neggers, Rita J van den Berg-Emons
Patients with aneurysmal subarachnoid hemorrhage (a-SAH) show long-term fatigue and face difficulties in resuming daily physical activities. Impaired muscle strength, especially of the lower extremity, impacts the performance of daily activities and may trigger the onset of fatigue complaints. The present study evaluated knee muscle strength and fatigue in patients with a-SAH. This study included 33 patients, 6 months after a-SAH, and 33 sex-matched and age-matched healthy controls. Isokinetic muscle strength of the knee extensors and flexors was measured at 60 and 180°/s...
October 12, 2016: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
Hsuan Su, Nai-Jen Chang, Wen-Lan Wu, Lan-Yuen Guo, I-Hua Chu
CONTEXT: Foam rolling has been proposed to improve muscle function, performance, and joint range of motion (ROM). However, whether a foam rolling protocol can be adopted as a warm-up to improve flexibility and muscle strength is unclear. OBJECTIVE: To examine and compare the acute effects of foam rolling, static stretching, and dynamic stretching used as part of warm-up on flexibility and muscle strength of knee flexion and extension. DESIGN: Crossover study...
October 13, 2016: Journal of Sport Rehabilitation
Anna Mika, Łukasz Oleksy, Renata Kielnar, Ewa Wodka-Natkaniec, Magdalena Twardowska, Kamil Kamiński, Zbigniew Małek
BACKGROUND: The aim of this study is to assess if the application of different methods of active recovery (working the same or different muscle groups from those which were active during fatiguing exercise) results in significant differences in muscle performance and if the efficiency of the active recovery method is dependent upon the specific sport activity (training loads). DESIGN: A parallel group non-blinded trial with repeated measurements. METHODS: Thirteen mountain canoeists and twelve football players participated in this study...
2016: PloS One
Benjamin Pageaux, Romuald Lepers, Samuele M Marcora
We recently developed a high intensity one leg dynamic exercise (OLDE) protocol to measure muscle endurance and investigate the central and peripheral mechanisms of muscle fatigue. The aims of the present study were to establish the reliability of this novel protocol and describe the isokinetic muscle fatigue induced by high intensity OLDE and its recovery. Eight subjects performed the OLDE protocol (time to exhaustion test of the right leg at 85% of peak power output) three times over a week period. Isokinetic maximal voluntary contraction torque at 60 (MVC60), 100 (MVC100) and 140 (MVC140) deg/s was measured pre-exercise, shortly after exhaustion (13 ± 4 s), 20 s (P20) and 40 s (P40) post-exercise...
2016: PloS One
J Wiskemann, M E Schmidt, O Klassen, J Debus, C M Ulrich, K Potthoff, K Steindorf
Exercise is considered to be an effective supportive treatment approach in breast cancer (BC) patients. We conducted a randomized controlled trial to assess the efficacy of a 12-week PRT during radiotherapy. Strength performance was assessed by maximal isokinetic peak torque (MIPT) in two different angular velocities (60°/s and 180°/s) and maximal voluntary isometric contraction for shoulder external and internal rotation, as well as for knee extension and flexion were assessed pre- and post-intervention in 146 patients randomized to PRT or a control group...
October 5, 2016: Scandinavian Journal of Medicine & Science in Sports
Frank A Cordasco, Gregory T Mahony, Nicholas Tsouris, Ryan M Degen
BACKGROUND: There are limited data on the outcomes of surgically repaired pectoralis major tendon (PMT) tears. The purpose of this study was to report the functional outcomes, return to sport, and second surgery rates in a consecutive series of PMT tears. METHODS: Forty patients with acutely repaired PMT tears were retrospectively identified. Follow-up was conducted with functional outcome scores and adduction strength testing at final follow-up. Return to sport and incidence of subsequent surgery were also recorded...
September 30, 2016: Journal of Shoulder and Elbow Surgery
Louise M Fuller, Brenda Button, Ben Tarrant, Ranjana Steward, Lisa Bennett, Greg Snell, Anne E Holland
OBJECTIVE: This study aimed to investigate the effects of a supervised longer (14 week) versus shorter duration, (7 week) rehabilitation program after lung transplantation (LTX). DESIGN: Randomised controlled trial SETTING: Post lung transplantation patients were randomised to either a shorter rehabilitation program (7 weeks) or a longer program (14 weeks) in an outpatient rehabilitation gym setting. PARTICIPANTS: Post lung transplantation patients aged 18 years or older who had undergone either single (SLTX) or bilateral lung (BSLTX) transplantation...
September 30, 2016: Archives of Physical Medicine and Rehabilitation
Suzi Edwards, Hiram C Brooke, Jill L Cook
OBJECTIVES: This study aimed to explore the differences in the magnitude of movement variability and strategies utilized during an unanticipated cut task between players with and without a history of groin pain. DESIGN: Cross-sectional design. SETTING: Biomechanics laboratory. PARTICIANTS: Male Australian football players with (HISTORY; n = 7) or without (CONTROL; n = 10) a history of groin pain. OUTCOME MEASURES: Three-dimensional ground reaction forces (GRF) and kinematics were recorded during 10 successful trials of an unanticipated cut task, and isokinetic hip adduction and abduction strength...
July 22, 2016: Physical Therapy in Sport
James Peter Fisher, Luke Carlson, James Steele
Research has produced equivocal results with regard to eccentric (ECC) only compared with traditional concentric/eccentric resistance training (RT). When considered in relation to load- and repetition duration-accentuated (ECC) training as well as the use of isokinetic and isoinertial training methods, there is a relative dearth of literature considering multi-joint, multi-exercise RT interventions. The present study considered 59 male and female participants randomly divided in to 3 sex counterbalanced groups; ECC only (ECC, n = 20), repetition duration-accentuated ECC (ECC-A, n = 20), and traditional (CON, n = 19) performing full-body, effort matched RT programmes for 2 days·week(-1) for 10 weeks...
June 22, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Tae-Gyu Kim, Wi-Young So
Evaluating the biomechanical and performance factors of the knee joint during golf swing can provide objective and quantitative information about improving the performance and development of efficient physical training, as the legs are important for achieving an efficient swing and maximum speed of the club head in golf. In the present study, kinematic movements of the knee joint were identified during the downswing by using 3-dimensional motion analysis, and isokinetic strength was measured with driver and 5-iron clubs in 15 professional (PRO) golfers and 10 amateur (AMA) golfers...
September 23, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
Flavia Vanessa Medeiros, Martim Bottaro, Amilton Vieira, Tiago Pires Lucas, Karenina Arrais Modesto, Antonio Padilha L Bo, Gerson Cipriano, Nicolas Babault, João Luiz Quaglioti Durigan
OBJECTIVE: To test the hypotheses that, as compared with pulsed current with the same pulse duration, kilohertz frequency alternating current would not differ in terms of evoked-torque production and perceived discomfort, and as a result, it would show the same current efficiency. DESIGN: A repeated-measures design with 4 stimuli presented in random order was used to test 25 women: (1) 500-microsecond pulse duration, (2) 250-microsecond pulse duration, (3) 500-microsecond pulse duration and low carrier frequency (1 kHz), (4) 250-microsecond pulse duration and high carrier frequency (4 kHz)...
September 26, 2016: American Journal of Physical Medicine & Rehabilitation
Julien Nardoux
OBJECTIVE: Chronic low-back pain is accompanied by physical deconditioning which result among other by lower VO2max and by disturbances isokinetic explorations. The objective of this study was to investigate whether there was a correlation between VO2max and isokinetic parameters spine before and after a functional restoration program (FRP). MATERIAL/PATIENTS AND METHODS: Uni-centric retrospective study in routine care. Isokinetic spine muscle strength evaluation and functional exercise exploration were performed before and after FRP for all hospitalized patients for 4 weeks to FRP...
September 2016: Annals of Physical and Rehabilitation Medicine
Stéphanie Dehem, Thierry Lejeune, Gaëtan Stoquart, Christine Detrembleur, Anne Renders, Martin Edwards, Charlotte Clarinval, Cécile Frognet, Isaline Brouwers, Vincenza Montedoro, Daniel Galinski
OBJECTIVE: To validate, establish norms and evaluate the reproducibility of upper limb motor assessment tasks using REAplan in healthy children. REAplan is a rehabilitation robotic device allowing upper limb mobilization in the horizontal plane. MATERIAL/PATIENTS AND METHODS: Forty-nine healthy children between six and twelve years participated in this study. Each child was assessed clinically and with REAplan, and twelve children were assessed twice. Elbow flexor and extensor muscles force were assessed with an isometric dynamometer Microfet II...
September 2016: Annals of Physical and Rehabilitation Medicine
Vincent Tiffreau, François Kopciuch, André Thevenon, François Rannou, Eric Hachulla, Philippe Thoumie
OBJECTIVE: To evaluate the medium-term functional impact and effect on quality of life of a standardized rehabilitation programme in patients with polymyositis and dermatomyositis. MATERIALS/PATIENTS AND METHODS: Design: a multicentre, randomized, controlled trial. - Setting: four university hospitals in France. - Participants: 20 patients suffering from polymyositis and dermatomyositis. - Interventions: the intervention group participated in a four-week standardized, hospital-based rehabilitation programme and then a personalized, self-managed, home-based rehabilitation programme...
September 2016: Annals of Physical and Rehabilitation Medicine
Flavia Coroian, Jérôme Froger, H-Y Bonnin Koang, Claire Jourdan, Karima Bakhti, Marc Julia, Audrey Jaussent, Christian Hérisson, Isabelle Laffont
OBJECTIVE: The sensori-motor impairment of upper limb (UL) affects more than 50% of patients after stroke. The objective of this work was to study the efficiency of isokinetic muscle strengthening (IMS) in the chronic phase of stroke in this population. MATERIAL/PATIENTS AND METHODS: The patients underwent 6 weeks of outpatient rehabilitation, 3 days per week, combining physiotherapy (twice/day) and occupational therapy every day. The program was completed by 30 minutes elbow and wrist concentric slow speed IMS of flexor and extensor muscles, in the study group versus 30 minutes passive mobilisation of the joints carried out by the same isokinetic dynamometer in the control group...
September 2016: Annals of Physical and Rehabilitation Medicine
Imen Fekhfekh, Abdelmoneem Yahia, Mokhtar Chaabene, Salma Jribi, Nizar Suissi, Mohamed Habib Elleuch, Sameh Ghroubi
OBJECTIVE: To study the acute effect of static and dynamic stretching on the knee muscle strength and postural capacity in athletes. PATIENTS AND METHODS: Fifteen judokas performed 2 stretching protocols (static and dynamic) on the muscles of both lower limbs with an interval of 48hours in a random order. An evaluation of the dominant knee muscle strength with an isokinetic dynamometer CybexNormII was performed before and after each stretching protocol in a concentric mode at a speed of 60 and 180°/s...
September 2016: Annals of Physical and Rehabilitation Medicine
Pascal Edouard, Pierrick Arnal, Philippe Gimenez, Pierre Samozino, Pedro Jimenez-Reyes, Matt Brughelli, Jurdan Mendiguchia, Jean-Benoit Morin
OBJECTIVE: The hamstring muscles are the most injured muscles in athletes practicing sprints. However, they seem greatly contributing to the production of horizontal force, a key element in the sprint acceleration performance. The aim of our study was to experimentally analyse the link between the production of horizontal force and strength of the hamstrings at maximum sprints on a treadmill and in fatigue conditions. PATIENTS AND METHODS: Fourteen male subjects accustomed to sprint participated in the experiment consisting in 12 6-seconds sprints separated by 44seconds of recovery on an instrumented treadmill sprint for measuring the horizontal force, coupled with the simultaneous recording of the EMG activity of the vastus lateralis, rectus biceps femoris and gluteus muscles...
September 2016: Annals of Physical and Rehabilitation Medicine
Agathe Anthierens, Nicolas Olivier, Patrick Mucci, André Thevenon
OBJECTIVE: Low back pain is a pathology associated to a trunk extensors muscles weakness. Studies suggested that it could be associated with an inadequacy between oxygen demand and oxygen utilization by paraspinal muscles (Kell and Bhambhani, 2006). In contrast to chronic low back pain (CLBP) patients, judo athletes are characterized by a great trunk extensors muscles endurance, due to their intensive solicitation within sport practice. Our purpose was to compare aerobic metabolism in those muscles of CLBP patients with judo athletes...
September 2016: Annals of Physical and Rehabilitation Medicine
Alexandre Rambaud, Pierre Samozino, Pascal Edouard
OBJECTIVE: After anterior cruciate ligament (ACL) tear, the ACL reconstruction (ACLR) is the standard treatment to return to pivots/contacts sports. The goal of rehabilitation programs is to guide the functional recovery and the safe return to sport without additional knee injury or other injuries. Functional tests, like Hop tests and their side to-side difference index [limb symmetry index (LSI)], are commonly used following ACLR to help return to sport decision making. However, the most commonly used criterion to return to sport is the postoperative time: return to light activities (RtlA) at 3 or 4 month mark and return to sport with contacts and side-cuttings (RtS) between 6 and 9 month mark...
September 2016: Annals of Physical and Rehabilitation Medicine
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