نتایج جستجو برای: semimembranosus muscle
تعداد نتایج: 328496 فیلتر نتایج به سال:
Background. It is unclear whether the clinical use of tibial rotation to measure the strength of the medial hamstrings and lateral hamstrings in isolation is based on sound scientific evidence or is simply based on anatomical features. Objectives. To verify the appropriateness of tibial rotation for isolation of the medial hamstrings and lateral hamstrings, the participants performed neutral r...
Sixty crossbred barrows (average 30 kg) were used in a 5 x 2 factorial treatment array to examine interactions between dietary protein concentration (11, 15, 19, 23, or 27% CP) and recombinant porcine somatotropin (rpST: 0, excipient buffer vs 100 micrograms.kg-1.d-1) for 42 d on muscle fiber morphology and meat tenderness. Diets were isocaloric (3.8 Mcal of DE/kg) and of equal lysine (4.9 g/Mc...
We tested the hypothesis that slowing of shortening velocity generated by type IIB fibers from hindlimb-unweighted (HU) rats resulted from a reduced ATPase activity and/or a reduction in the relative content of myosin light chain 3f isoform content (MLC(3f)). After 2, 3, and 4 wk of HU, maximal unloaded shortening velocity (V(o)) of single permeabilized semimembranosus muscle fibers was determi...
مقدمه: سکته مغزی عامل ایجاد عوارض طولانی مدت در بیماران است. از مهمترین عوارض ناشی از سکته مغزی، کاهش تعادل در وضعیت ایستاده و در هنگام راه رفتن و ضعف عضلانی می باشد . هدف از این تحقیق بررسی تاثیر تمرینات ترکیبی ایزومتریک و ایزوتونیک بر تعادل ایستا و قدرت عضلانی (muscle test) بیماران سکته مغزی است. روش شناسی: این پژوهش از نوع نیمه تجربی بود. شرکت کنندگان در این تحقیق را 30 بیمار مرد مبتلا به ...
The susceptibility to denaturation of myofibrillar protein from chicken muscles was investigated and compared with denaturation of myofibrillar protein from pork. Immediately postmortem, the Pectoralis profundus (white muscle) and the Pubo-ishio femorale (red muscle) of six Arbor Acres chickens were collected. The Semimembranosus (white muscle) and Psoas major (red muscle) of three Yorkshire x ...
To provide more comprehensive information on the extent and pattern of muscle activation during running, we determined lower extremity muscle activation by using exercise-induced contrast shifts in magnetic resonance (MR) images during horizontal and uphill high-intensity (115% of peak oxygen uptake) running to exhaustion (2.0-3.9 min) in 12 young women. The mean percentage of muscle volume act...
INTRODUCTION The mechanical properties of hamstring muscles are usually inferred from global passive torque/angle relationships, in combination with adjoining tissues crossing the joint investigated. Shear modulus measurement provides an estimate of changes in muscle-tendon stiffness and passive tension. This study aimed to assess the passive individual behavior of each hamstring muscle in diff...
Ractopamine-HCl (RAC) is a beta-adrenergic agonist with variable effects on cattle performance and carcass variables. Cull cows fed RAC (200 mg . head(-1) . d(-1)) demonstrate an increased size of type I and II muscle fibers that does not translate into a larger ribeye area. The objective of this study was to examine the dose-dependent effects of RAC on cull cow muscle morphometrics. Eighty-eig...
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