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.
INTERMEDIATE
Crossed-Leg Reverse Crunch
Crossed-Leg Reverse Crunch is a challenging core exercise that primarily hits the entire length of the rectus abdominis muscle (the six-pack muscle), getting to the deep lower abs.
Instructions
- Lie on your back with your knees bent, feet flat on the floor. Cross one ankle over the other knee. Raise your arms above your head and hold on to a sturdy object, such as a bench.
- Tuck your pelvis towards your chest and lift your legs as close to your chest as possible while maintaining a cross-legged posture. Pause, return to starting position.
Tips
- Tighten your core muscles throughout the exercise.
- Don't use your legs to create movement. Raise your lower body using the press.
- Keep your head in line with the rest of your body, and do not arch your neck.
Alternative Exercises
Lying Straight Leg Raise
Lying Straight Leg Raise strengthens the muscles of the upper thigh, and the quadriceps, without placing any stress on the knee joint.
Double Crunch
Double Crunch is a core strengthening exercise. It is an effective way to contract the entire length of your abdominal muscles and hip flexors.
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