کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5707766 1603842 2017 25 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Less hip joint loading only during running rather than walking in elderly compared to young adults
ترجمه فارسی عنوان
بارگذاری کمتر مفصل هیپوفیز تنها در طی عمل جراحی به جای رفتن به سالمندان در مقایسه با بزرگسالان جوان
کلمات کلیدی
پوکی استخوان، بیومکانیک، ورزش، نیروهای تماس با هیپ، مدلسازی اسکلتی عضلانی مسن،
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی ارتوپدی، پزشکی ورزشی و توانبخشی
چکیده انگلیسی
Walking and running have been found to increase hip bone mass in postmenopausal women. However, the optimal speed to trigger osteogenesis is still under debate because the exact loading during different speeds is poorly characterized. Moreover, age related differences in gait kinematics/kinetics can potentially result in differences in peak hip loading, making extrapolation of results based on young populations to the elderly misleading. Using integrated 3D motion capture and musculoskeletal modeling, peak hip contact forces (HCFs) were calculated during walking and running from 3 to 9 km/h in 14 female young (21.4 ± 1.6 years old) and elderly (69.8 ± 3.4 years old) participants. Peak HCFs were similar during walking in both groups, whereas elderly loaded their hip less than young during running, through reducing their stride length and hip adduction angle at peak loading. Moreover, hip adduction moment was found to best predict peak HCF during impact in walking and running whereas hip extension and external rotation moment can predict the second peak HCF during walking in the elderly and young group respectively. Comparison between same speeds in walking and running revealed that in contrast to young no additional hip loading is imposed during running in elderly. The present study offers an insight into the differences in hip loading profile in postmenopausal women during walking and running at different speeds. Such information is crucial to medical experts that target site-specific bone loading through exercise in elderly populations in order to prevent hip bone loss.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Gait & Posture - Volume 53, March 2017, Pages 155-161
نویسندگان
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