Phimega Group Post #50

Recycling Energy to Restore Impaired Ankle Function during Human Walking
posted by soliton at Tue, 2 Mar 2010 - 11:08:25

Humans normally dissipate significant energy during walking, largely
at the transitions between steps. The ankle then acts to restore
energy during push-off, which may be the reason that ankle impairment
nearly always leads to poorer walking economy. The replacement of lost
energy is necessary for steady gait, in which mechanical energy is
constant on average, external dissipation is negligible, and no net
work is performed over a stride. However, dissipation and replacement
by muscles might not be necessary if energy were instead captured and
reused by an assistive device.

More:
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0009307

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soliton
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