Kinematic analysis of speed transitions within walking in younger and older adults.
Kinematic analysis of speed transitions within walking in younger and older adults.
复制标题
在年轻和老年人中行走的速度转变的运动学分析。
DOI：
10.1016/j.jbiomech.2022.111130
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发表时间：
2022-06
影响因子：
2.4
通讯作者：
Hass, Chris J.
中科院分区：
文献类型：
--
作者：
Wade, Francesca E.;Kellaher, Grace K.;Pesquera, Sarah;Baudendistel, Sidney T.;Roy, Arkaprava;Clark, David J.;Seidler, Rachael D.;Ferris, Daniel P.;Manini, Todd M.;Hass, Chris J.
The ability to adapt to environmental and task demands while walking is critical to independent mobility outside the home and this ability wanes with age. Such adaptability requires individuals to acutely change their walking speed. Regardless of age, changes between walking speeds are common in daily life, and are a frequent type of walking adaptability. Here, we report on older and younger adults when transitioning from preferred walking speed overground to either slower or faster walking. Specifically, we evaluated biomechanical parameters prior to, during, and post transition. Individuals approached the walking speed transition similarly, independent of whether the transition was to slower or faster walking. Regardless of age or walking speed, the step during which a walking speed transition occurred was distinct from those prior- and post- transition, with on average 0.15 m shorter step lengths, 3.6° more hip flexion, and 3.3° more dorsiflexion during stance. We also found that peak hip flexion occurred 22% later, and peak hip extension (39%), knee flexion (26%), and dorsiflexion (44%) occurred earlier in stance for both typical to slower and typical to faster walking. Older adults had altered timing of peak joint angles compared with younger adults across both acceleration and deceleration conditions, indicating age-dependent responses to changing walking speed. Our findings are an important first step in establishing values for kinematics during walking speed transitions in younger and typical older adults.
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影响因子：
2.4
作者：
De Asha, A. R.;Robinson, M. A.;Barton, G. J.
通讯作者：
Barton, G. J.
影响因子：
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Lipsitz, LA
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通讯作者：
Ferrucci, Luigi
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2.5
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Li, Li