Reverse crunches enhance balance and stability by strengthening the core muscles. The core, which includes the lower back, abs, and obliques, provides a strong foundation for the body.

Reverse crunches work your oblique muscles and the rectus abdominis, the pair of muscles that run vertically down the core and are responsible for giving your core that “six-pack” look.

Parade. When it comes to sculpting a stronger, more defined core, many people assume endless crunches are the key. In reality ...