Fig. 5.

a Patient advanced to single-limb bridge with leg curl. Patient lies on mat with heel of one limb on the physioball and other limb in the air. Patient engages core with neutral spine then pushes downward through the left heel. b Patient maintains neutral spine and pushes heel downward through ball lifting lower back and gluteals off of the ground. (c) Patient maintains neutral spine and core engagement while rolling ball out and then back in with hamstrings prior to returning to start position