Targets: Chest, biceps, abs, obliques, and hips
- Sit upright on ground, knees bent, feet flat, holding ball close to chest with elbows out. To start, roll torso back until waist is on ground.
- Crunch up and extend left leg as you twist to the left; extend arms so ball is out to left near thigh. Return to start.
- Switch sides, repeat to complete 1 rep.
- Do 20 reps.