Stability ball jackknife
Exercise details Target muscles: Iliopsoas Synergists: Tensor Fasciae Latae, Sartorius, Pectineus, Adductor Longus, Adductor Brevis, Rectus Abdominis, Obliques, Adductor Magnus, Gluteus Maximus Dynamic stabilizers: Hamstrings, Rectus Femoris Mechanics: Compound Force: Pull Starting position Get into a push-up position with your shins resting on top of a stability ball. You can do this by kneeling in […]

















