Crunch
Crunch is a classic core exercise that explicitly trains your abdominal muscles - part of your core. It also includes your oblique muscles on the sides of your trunk and the muscles in your pelvis, lower back, and hips.
ADVANCED
Medicine Ball Leg Drops
Medicine Ball Leg Drops strengthens your lower abs, help train your core stability, and strengthen and protect your low back.
Instructions
- Lie face down on the floor and hold a light medicine ball between your calves. Keep your legs almost straight so they are perpendicular to the floor, and keep them directly above your hips.
- Let your feet drop as low as possible without touching the floor. Pause, then reverse the movement and return your legs to the starting position.
Tips
- Don't let your back twist when lowering the medicine ball.
- Keep your abs always tight. Don't let your feet touch the floor.
- Don't use impulse. Pause at the bottom, then use the press to tuck in your pelvis and return your legs to their original position.
Alternative Exercises
Russian Twist
Russian Twist strengthens your core, obliques, and spine. It's a total core exercise that also works your balance, builds stability in your spine, and trims your mid-section all at once.
General Plank
General Plank is a classic exercise that strengthens your body from head to toe. In particular, the plank helps strengthen your core muscles, including your abdominals and lower back.
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