According to a Pilates pro, the proper form for crunches doesn't involve crunching up with your hands behind your head because it can lead to neck pain. If someone tells you to drop down and knock out ...

The basic crunch is an excellent abdominal strength training exercise to work your upper abs. However, done incorrectly, crunches can give you backache, put strain on your neck and create tension in ...

"Trainers—myself included—often cue supine spinal flexion because it gives such a satisfying burn and you can really feel like you're doing something—and I find that it's actually helpful with posture ...

For the best experience, please enable JavaScript in your browser settings. The basic crunch is an excellent abdominal strength training exercise to work your upper ...