지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Purpose The purpose of this study was to identify the effect of aging on the dynamic balance of gait initiation (GI) between healthy elderly adults and young adults. Methods This study used descriptive analysis. Total 17 subjects, 8 healthy elderly and 9 young adults were recruited from the local community, San Angelo, Texas. EMG sensors (Biometrics Ltd., Ladysmith, VA, USA) were attached to the TA and Sol muscles bilaterally to measure peak amplitude and time to peak amplitude. Subjects were instructed to stand comfortably while barefoot on the High Resolution (HR) mat (Tekscan Inc., South Boston, MA, USA) to assess 1) COP anterior-posterior excursion, 2) COP medial-lateral excursion, 3) COP area, 3) COP backward motion distance, 4) COP motion to swing limb distance. The subjects were then given a verbal cue to start walking from a quiet standing. Results The healthy young group illustrated greater lateral and backward movement of COP as well as COP A-P and L-R excursion than the elderly group. In addition, the healthy young group showed greater peak amplitude of bilateral TA muscles during GI. Time to peak TA muscle amplitude was much faster in the healthy young group than the elderly group during GI. Conclusion The limited dynamic balance observed in the elderly group compared to healthy young adults during the task of GI. This finding suggests that sway analysis during GI could be used as a screening tool to identify the impaired dynamic balance for people who present balance deficits.
목차
등록된 정보가 없습니다.
참고문헌 (13)
참고문헌 신청
Brunt D / 1999 / Principles underlying the organization of movement initiation from quiet stance / Gait Posture 10(2):121~128
Polcyn AF / 1998 / Age-related changes in the initiation of gait: degradation of central mechanisms for momentum generation / Arch Phys Med Rehabil 79(12):1582~1589
Brunt D / 1991 / Invariant characteristics of gait initiation / Am J Phys Med Rehabil 70(4):206~212
Fiolkowski P / 2002 / Does postural instability affect the initiation of human gait? / Neurosci Lett 323(3):167~170
Crenna P / 1991 / A motor programme for the initiation of forward-oriented movements in humans / J Physiol 437:635~653
Polcyn AF / 1998 / Age-related changes in the initiation of gait: degradation of central mechanisms for momentum generation / Arch Phys Med Rehabil 79(12):1582~1589
Brunt D / 1991 / Invariant characteristics of gait initiation / Am J Phys Med Rehabil 70(4):206~212
Fiolkowski P / 2002 / Does postural instability affect the initiation of human gait? / Neurosci Lett 323(3):167~170
Crenna P / 1991 / A motor programme for the initiation of forward-oriented movements in humans / J Physiol 437:635~653
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