Well, I think more usefull for biceps and triceps with arm movement.
leg shape with leg bending.
gravity for the breasts with chest movement;

gravity morphs could be made, to simutale and combine gravity with movement.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!