Mercurial > cortex

comparison org/movement.org @ 292:e27a91b1f997

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fixed termonology in movement.org
author Robert McIntyre <rlm@mit.edu>
date Thu, 16 Feb 2012 07:25:03 -0700
parents 23aadf376e9d
children 67a4e92d4628
comparison
equal deleted inserted replaced
291:8bdfd7c2ff76 292:e27a91b1f997
11 11
12 Surprisingly enough, terristerial creatures only move by using torque 12 Surprisingly enough, terristerial creatures only move by using torque
13 applied about their joints. There's not a single straight line of 13 applied about their joints. There's not a single straight line of
14 force in the human body at all! (A straight line of force would 14 force in the human body at all! (A straight line of force would
15 correspond to some sort of jet or rocket propulsion.) 15 correspond to some sort of jet or rocket propulsion.)
16
17 *(next paragraph is from memory and needs to be checked!)*
18 16
19 In humans, muscles are composed of muscle fibers which can contract to 17 In humans, muscles are composed of muscle fibers which can contract to
20 exert force. The muscle fibers which compose a muscle are partitioned 18 exert force. The muscle fibers which compose a muscle are partitioned
21 into discrete groups which are each controlled by a single alpha motor 19 into discrete groups which are each controlled by a single alpha motor
22 neuton. A single alpha motor neuron might control as little as three 20 neuton. A single alpha motor neuron might control as little as three