Red shading indicates which muscles the exercise targets.

SB Leg Curl

Lying back down on a floor mat with feet(foot) up on a Swiss Ball, lift hips off the mat to a point where knees, hips and shoulders are in line. While holding this position roll feet in towards the hips and then return under control back to the starting position. Feel the muscles in the back of the leg doing the work. Note. Single vs double leg option.