Whereas crunches specifically target your ab muscles ... exercises done in a prone — face-down — position on an exercise ball are just as effective, which may be a helpful alternative to ...

The problem with classic ab exercises like sit-ups and crunches is that they put your ... golfers who stand over the ball with their upper back rounded, shoulders and head forward, are really ...

While doing crunches and situps may activate the abs, these exercises don't target as many ... Extend your arms straight out while holding a medicine ball. Perform a lunge then rotate your torso ...