Flexion of a joint is when the incertion point of a muscle is pulled by
the contraction of the origin muscle towards the body. extension of a joint
is exactly oppisite of that of flexion in that it pulls the bone up or
down away from the body.
Contributed by: Alan Smithee <Al@aol.com> Country: usa Age: 15 Sunday, March 26, 2000 at 15:23:37 (EST)