Crunches Suck When It Comes to Ab Exercises
The crunch is a vastly overrated ab exercise. Crunches shorten the rectus abdominis (“six pack”) muscles, and don’t strengthen the entire abdominal region. A bodybuilder doing partial-range biceps curls might be laughed out of the gym, but it’s perfectly acceptable to do partial-range sit-ups. Partial-range movements are usually restricted for pre-fatiguing a muscle or to…