Lie on stomach on training table
Keeping abdomen and hips against table, assist partner as s/he raises right heel toward your butt
Partner applies pressure at point of tension for one second; then relax
Repeat for specified reps
Perform set on opposite leg
Sets/Reps: 3x8-10 each leg
Richesson: This increases flexibility in the quad and hip flexors. It’s a dynamic, active isolation stretch. Symmetry within an athlete is important; so if one side is tighter than the other, focus on that side a little more.