Target: Strengthens shoulders, triceps, and core
- Start in a high plank position with your wrists directly below your shoulders and a dumbbell in each hand.
- Raise your right elbow to your torso, keeping your arm close to your body, then extend your right arm back.
- Slowly reverse the motion and bring the dumbbell back toward your body.
- Do all on one side, then repeat on your left arm.
- Do eight reps on each side.