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  • Properties of musculus gluteus maximus in above-knee amputees
    Burger, Helena ...
    The present study aimed at evaluating possible changes of the gluteus maximus muscle bulk size and in the contracting properties of gluteus maximus in the amputated above-knee limb. Seven male ... above-knee amputees, with a mean age of 47.4 years volunteered to participate in the present study. Twenty-one healthy subjects with a mean age of 34.0 years served as the control group. Muscle belly displacement was measured by means of a precision electromagnetic sensor dc-dc displacement transducer while performing maximal voluntary isometric contractions. The muscle twitch contraction has been quantifield by the latency period (T1), time to peak tension (T2) and the slope of the recor. A statistically significant decrease in muscle belly displacement on the amputated side has been observed in comparison with controls and non-amputated side. The latency period on the amputated side was significantly longer and the slope less steep than in the control group. These results indicated atrophied and slower gluteus maximus on the amputated side of above-knee amputees. Relevance - Gluteus maximus is an important hip extensor and its good function is necessary to control above-knee prosthetic limb. Atrophy of gluteus maximus proved by decrease of muscle belly displacement of the amputated limb of above-knee amputees requires programmes of physical therapy directed at strengthening the muscle in order to improve the quality of their gait.
    Vir: Clinical biomechanics. - ISSN 0268-0033 (Vol. 11, no. 1, 1996, str. 35-38)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 1996
    Jezik - angleški
    COBISS.SI-ID - 7639769

vir: Clinical biomechanics. - ISSN 0268-0033 (Vol. 11, no. 1, 1996, str. 35-38)
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