Side Bends-Arm Extended
Lying sideways on the ground with feet together and one arm extended. One hand and the outside of one foot are the only surfaces touching the ground.
Raise the hips into the “up” position and immediately reverse the movement to lower the hips towards the ground into the “down” position. Repeat the movement for the designated number of reps.
Slow and controlled.
Increase the difficulty by placing the hand on an unstable surface (med ball)