Gesture Drawing Help

[odd bridge]

Not sure if I'm doing this right, these are two minutes each.

[stone trench]

They look pretty good but the chest seems off in almost all of em u gotta think of the chest as a box with the pelvis as another box as its not a elastic as u draw it

Example:

For example if u turn the chest side a shrinks and b becomes bigger with ure drawing ure trying to force it to stay the same size