2006-08-25 05:29:31 · 5 answers · asked by heWHOshallNOTbeNAMED 1 in Social Science ➔ Anthropology
Elftman (1939) proposed that humans may use their arms to balance the moment of inertia about a vertical (yaw) axis during gait.
http://www-personal.engin.umich.edu/~shc/pdw.html
http://wwwfom.sk.med.ic.ac.uk/medicine/about/divisions/neuro/npmdepts/clinneuroscience/movandbal/otology/postandg/
http://www.personal.dundee.ac.uk/~wwang/publications_files/liY2001.pdf
2006-08-28 04:49:04 · answer #1 · answered by Anonymous · 2⤊ 0⤋
Man is a biped primate able to walk upright. In order to do this , he has to balance his body. That's why the arms swing one way and the legs go in the opposite direction. This is an unconscious act. It's more of a reflex.
2006-08-25 06:29:55 · answer #2 · answered by rosieC 7 · 0⤊ 0⤋
they act as a counter balance other wise being top heavy the surge of momentum foward can make us fall try it
2006-08-25 05:34:18 · answer #3 · answered by The_Z! 1 · 0⤊ 0⤋
It balances our body so we don't topple over.
2006-08-25 05:34:29 · answer #4 · answered by curiositycat 6 · 0⤊ 0⤋
for balance
2006-08-25 05:34:23 · answer #5 · answered by nellierslmm 4 · 0⤊ 0⤋