balance
Posted: Tue Oct 28, 2008 11:37 am
This is interesting--fol
"Whenever we stand up and arrange our calves, thighs, torso and head into a stable, vertical configuration, Dr. Merfeld said, we are unconsciously juggling six inverted pendulums ["bows"?], six mechanically independent units with masses above the pivot point β a feat that amounts to balancing six pencils on your palm simultaneously. Bipedalism is largely a top-down operation overseen by the vestibular system, which gauges the head position relative to the floor and signals the brain to adjust the downstream pivot points accordingly."
http://www.nytimes.com/2008/10/28/science/28angi.html
"Whenever we stand up and arrange our calves, thighs, torso and head into a stable, vertical configuration, Dr. Merfeld said, we are unconsciously juggling six inverted pendulums ["bows"?], six mechanically independent units with masses above the pivot point β a feat that amounts to balancing six pencils on your palm simultaneously. Bipedalism is largely a top-down operation overseen by the vestibular system, which gauges the head position relative to the floor and signals the brain to adjust the downstream pivot points accordingly."
http://www.nytimes.com/2008/10/28/science/28angi.html