Crunch w/ Machine
How to Perform
Sit on a crunch machine with your lower back supported and feet fixed.
With your arms bent, grab the handles of the machine behind you.
Inhale and move your elbows and knees towards each other
Exhale and return to the starting position slowly.
Tips
Keep your arms and feet fixed throughout this exercise.
Avoid holding your breath.
Keep your back straight and avoid slouching.