Lower Back Expansion
Tucking the hips helps position the lower back for the drill's intended expansion. The hips should be tucked underneath the body during setup. The drill targets expansion through the lower back as well as the upper torso.
1 sources - 3 claims
Tucking the hips helps position the lower back for the drill's intended expansion. The hips should be tucked underneath the body during setup. The drill targets expansion through the lower back as well as the upper torso.