Reverse Lunge to Single-leg Kickback

Instructions

1. 
   Begin in a split stance, right leg forward, holding dumbbells at shoulder height with elbows close to sides. Bending both knees 90°, bringing left knee toward floor.
2. 
   Straighten legs; as you come up, lift left leg behind you and lower torso, forming a straight line from head to heel and extending both arms next to hips. Lower back into a reverse lunge, bending elbows and bringing weights back to shoulders.