How to do: Vertical legs side to side supine
Vertical legs side to side supine (legs together with heels toward the ceiling, drop both legs to the R then pull to center, then drop to L then pull to center, using core. Only going as low as you DON'T feel your low-back)
Join the millions of exercisers who use Workout Trainer to get fit, fast! Go PRO+ today to unlock the best mobile workout experience, plus all custom training programs!