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Showing 1 to 17 of 17 for “"hip abduction"”.
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Lumbopelvic Control in Dynamic Tasks – The Relationship Between the Active Hip Abduction Test and Frontal Plane Kinematics
This study investigated the relationship between Active Hip Abduction (AHAbd) test performance and lumbopelvic control (LPC) in the frontal plane during a dynamic stair circuit in physically active adults. Thirty-four participants (23 males, 11 females) completed the AHAbd and a 15-minute fatiguing …
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THE EFFECTS OF INITIAL HIP ABDUCTION AND EXTERNAL ROTATION STRENGTH AND NEUROMUSCULAR FATIGUE OF THE GLUTEUS MEDIUS ON THE STAR EXCURSION BALANCE TEST IN MALE AND FEMALE HEALTHY SUBJECTS
The gluteus medius muscle is an essential hip stabilizer during unilateral stance. A weakened or fatigued gluteus medius may be associated with decreases in postural control during dynamic balance. The objective of this study was to determine if initial hip muscular strength and gender affect …
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The effects of rehabilitation interventions on hind limb kinematics in a rat model of osteoarthritis
… were measured at three gait cycle events. Hip abduction results indicate the non-intervention group developed mild OA, while hip abduction and knee varus rotation results indicate the exercise intervention group developed advanced OA. The immobilization group results were indistinguishable …
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Evaluation of risk factors associated with patellofemoral pain syndrome
… Pain Syndrome (PFPS) and assess their relationship to PFPS. METHODS: The study was a retrospective study completed at Johns Hopkins Department of Orthopaedic Surgery. All patients, who were referred to physical therapy at Johns Hopkins Rehabilitation Therapy Services Clinic, were diagnosed with …
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The effect of unilateral cam femoroacetabular impingement on the three-dimensional kinematics of the pelvis and hip and the kinetics of the hip
… (ROM). This condition is known to decrease hip ROM, and has been reported to cause hip pain in a variety of daily activities including sitting and walking, and activities requiring large hip mobility. It is important to determine the effect of cam FAI on self-generated dynamic ROM and common …
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Comparison of Lower Extremity Propulsion Impulses between Recreational Athletes with Chronic Ankle Instability and Healthy Athletes During Single Leg Hop Tests
… during ankle dorsiflexion, ankle inversion, and hip abduction. Statistical comparison was also made between the anterior and the crossover SLHT. Healthy participants had statistical difference in internal knee rotation when comparing anterior SLHTs to crossover SLHTs. No statistically significant …
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Neuromuscular Fatigue and Biomechanical Alterations during High-Intensity, Constant-Load Cycling
… was used as the exercise model, and the relationship between physiological and biomechanical aspects of high-intensity, moderate duration (<10 >min) cycling were specifically examined. The first two studies of this thesis were aimed at understanding the progression of neuromuscular fatigue as well …
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The influence of musculoskeletal variables on throwing performance in amateur and elite South African cricketers
… reduced shoulder rotational strength and hip strength compared to baseball players, amongst other factors. Biomechanically, cricketers tend to throw with a more side arm position with less shoulder external rotation which has been found to be an inferior position compared to an overhead …
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The Biomechanics of Sit-to-Stand and Physical Performance in Patellofemoral Osteoarthritis
… determine 1) the triplanar biomechanics of the hips and knees during sit-to-stand (STS) for persons with PFOA versus age- and gender-matched control subjects, 2) the impact of PFOA on physical performance, perceived functional status, and pain, and 3) the relationship between knee kinematics …
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Validation and Use of an Induced-Pain Paradigm to Investigate Risk Factors for Low Back Pain Development during Prolonged Standing
… timing of lumbopelvic motion during the active hip abduction test in PDs and NPDs. We found that (1) PDs displayed more right to left asymmetry of timing of lumbopelvic movement than NPDs and (2) that the amount of asymmetry was related to LBP symptom intensity in PDs. In chapter 5, we examined …
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Effects of Hip Rehabilitation Intervention on Dynamic Postural Control and Self-Reported Ankle Impairment in Patients with Chronic Ankle Instability
… postural control. Lastly, the participant’s hip abduction strength (HABD) and external rotation strength (ER) were determined using a hand-held dynamometer. Hip ER was tested in a seated position, while HABD was tested in a sidelying position. Participants were randomly assigned to the Ankle …
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A randomised control trial for the restoration of functional ability in patients post total knee arthroplasty: a comparison of eccentric versus concentric cycling ergometry
… rehabilitation intervention. Finally, knee and hip kinematics, ground reaction force and muscle activity was described during the sit-to-stand transfer within this population (Study 4). Methods: Eighteen age- and sex-matched participants', three to nine month's post-TKA were recruited and …
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Differences in Movement and Loading Variability Between ACLR and Healthy Athletes During Bilateral and Unilateral Landings
… and vertical ground reaction force (GRF), knee/hip abduction/adduction angles, and loading rate. The single hop measures included peak force, loading rate, and impulse. To assess variability and limb symmetry, coefficient of variation (CV) and the limb symmetry index (LSI) were calculated for …
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THE BIOMECHANICAL ASSESSMENT OF GAIT FOR STROKE PATIENTS AND THE IMPLICATIONS IN DIAGNOSIS AND REHABILITATION
… kinetic, and kinematic parameters of the hip, knee, and ankle joints in three planes of both limbs. Participants were asked to walk along a 10 m walkway at a comfortable speed. There were ten trials of walking. From the recorded trials, three good ones were analysed using a Vicon …
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The musculoskeletal profile of female adolescent elite water polo players and the factors affecting throwing performance.
… Range of motion of the glenohumeral joint, hip and knee joints as well as the thoracic spine have all been correlated with throwing speed in other overhead sports. Upper limb strength of the glenohumeral rotators, pectoralis minor muscle, wrist flexors, elbow extensors and grip strength have …
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The musculoskeletal profile of female adolescent elite water polo players and the factors affecting throwing performance.
… Range of motion of the glenohumeral joint, hip and knee joints as well as the thoracic spine have all been correlated with throwing speed in other overhead sports. Upper limb strength of the glenohumeral rotators, pectoralis minor muscle, wrist flexors, elbow extensors and grip strength have …
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The cricketing shoulder: biomechanics and analysis of potential injury risk factors to the shoulder in elite cricketers
… of cricketers. Upper quarter, spinal, pelvic and hip kinematics, as well as shoulder and elbow kinetics were measured during the execution of overhead throwing from a stationary position, and with a run-up. This thesis includes three original papers and two experimental Chapters. The first paper …