کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
928195 1474217 2016 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Investigating the effects of movement speed on the lumbopelvic coordination during trunk flexion
ترجمه فارسی عنوان
بررسی اثرات سرعت حرکت بر روی هماهنگی مذکور در طول خم کردن تنه
کلمات کلیدی
سرعت جنبش؛ هماهنگی مذکور؛ بارگذاری نخاعی؛ کنترل عصبی عضلانی. خم کردن تنه
موضوعات مرتبط
علوم زیستی و بیوفناوری علم عصب شناسی علوم اعصاب شناختی
چکیده انگلیسی


• Low speed trunk flexion has a more anti-phase lumbopelvic coordination.
• Altered coordination indicates how healthy people adapt to change in spinal loading.
• Low speed trunk flexion shows a more unstable coordination (greater variability).
• Change in coordination variability derives from difference in neuromuscular control.

Movement speed during trunk flexion has long been reported to affect task performance and biomechanical responses. The current study investigated how movement speed changed lumbopelvic coordination, especially lumbopelvic continuous relative phase and phase variability during trunk flexion. Eighteen subjects executed a paced trunk flexion routine over time periods of 3, 7, 11 and 15 seconds. The results demonstrated that compared with the 3-s condition, lumbopelvic continuous relative phase was 98.8% greater in the 15-s condition, indicating a more anti-phase coordination pattern. This pattern is suggested to mitigate the increased spinal loading associated with the longer duration of muscle exertion. Additionally, phase variability was 18.8% greater in the 15-s trials than the 3-s trials, such an unstable coordination pattern is likely caused by the more active neuromuscular control. Findings of this study provide important information about the effects of movement speed on lumbopelvic coordination during trunk flexion.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Human Movement Science - Volume 48, August 2016, Pages 153–160
نویسندگان
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