نتایج جستجو برای: gluteus medius pedicle graft

تعداد نتایج: 91353  

Journal: :Journal of animal science 2001
C E Realini R E Williams T D Pringle J K Bertrand

This study was conducted to determine the ability of additional ultrasound measures to enhance the prediction accuracy of retail product and trimmable fat yields based on weight and percentage. Thirty-two Hereford-sired steers were ultrasonically measured for 12th-rib fat thickness, longissimus muscle area, rump fat thickness, and gluteus medius depth immediately before slaughter. Chilled carca...

Journal: :Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology 2010
Erika Nelson-Wong Jack P Callaghan

PURPOSE AND SCOPE Low back pain development has been associated with static standing postures in occupational settings. Previous work has demonstrated gluteus muscle co-activation as a predominant pattern in previously asymptomatic individuals who develop low back pain when exposed to 2-h of standing. The purpose of this work was to investigate muscle co-activation as a predisposing factor in l...

2014
Mario Inacio Alice S Ryan Woei-Nan Bair Michelle Prettyman Brock A Beamer Mark W Rogers

BACKGROUND Impaired balance, loss of mobility and falls are major problems associated with changes in muscle in older adults. However, the extent to which muscle composition and related performance measures for different lower limb muscles are associated with falls in older individuals is unclear. This study evaluated lower limb muscle attenuation, intramuscular adipose tissue (IMAT) infiltrati...

Journal: :Journal of biomechanics 2006
May Q Liu Frank C Anderson Marcus G Pandy Scott L Delp

The purpose of this study was to characterize the contributions of individual muscles to forward progression and vertical support during walking. We systematically perturbed the forces in 54 muscles during a three-dimensional simulation of walking, and computed the changes in fore-aft and vertical accelerations of the body mass center due to the altered muscle forces during the stance phase. Ou...

Journal: :Journal of athletic training 2011
Mary F Patrek Thomas W Kernozek John D Willson Glenn A Wright Scott T Doberstein

CONTEXT Reduced hip-abductor strength and muscle activation may be associated with altered lower extremity mechanics, which are thought to increase the risk for anterior cruciate ligament injury. However, experimental evidence supporting this relationship is limited. OBJECTIVE To examine the changes in single-leg landing mechanics and gluteus medius recruitment that occur after a hip-abductor...

Journal: :Journal of biomechanics 2008
May Q Liu Frank C Anderson Michael H Schwartz Scott L Delp

Muscles actuate walking by providing vertical support and forward progression of the mass center. To quantify muscle contributions to vertical support and forward progression (i.e., vertical and fore-aft accelerations of the mass center) over a range of walking speeds, three-dimensional muscle-actuated simulations of gait were generated and analyzed for eight subjects walking overground at very...

Journal: :Journal of strength and conditioning research 2010
Gretchen D Oliver Priscilla M Dwelly Nicholas D Sarantis Rachael A Helmer Jeffery A Bonacci

Sport health care professionals are always trying to increase muscle activation while instructing exercises that are functional to the sport performance. However, the traditional core exercises are the ones typically performed. This study examined the muscle activation of the lumbopelvic hip complex during traditional core stability exercises and that of the sports performance movements using t...

Journal: :Journal of biomechanics 2010
Katherine M Steele Ajay Seth Jennifer L Hicks Michael S Schwartz Scott L Delp

Pathological movement patterns like crouch gait are characterized by abnormal kinematics and muscle activations that alter how muscles support the body weight during walking. Individual muscles are often the target of interventions to improve crouch gait, yet the roles of individual muscles during crouch gait remain unknown. The goal of this study was to examine how muscles contribute to mass c...

Journal: :Journal of animal science 2005
F H F D'Angelis G C Ferraz I C Boleli J C Lacerda-Neto A Queiroz-Neto

The aim of the present study was to investigate the effect of oral supplementation of creatine on the muscular responses to aerobic training. Twelve purebred Arabian horses were submitted to aerobic training for 90 d, with and without creatine supplementation, and evaluated with respect to BW and BCS and to the area and frequency of the different types of muscle fibers in the gluteus medius. Su...

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