Even with it’s silly name the captain’s chair is one of the most effective way to work your abs, and that alone is reason to love it. Crush Calories With This Epic Cardio-Boxing Workout. Forty-six percent of the women reported arousal during exercise; Captain’s Chair: This might sound like a prop in Christian Grey’s sex chamber, but you can find it at any gym. This collection features an impressive range of choice of captains’ chairs, all of which have their own charm and functionality. Lower Abs: Captain’s Chair: This exercise works all the abs, but targets the lower abs and the deepest ab muscle, the transverse abs.
Ab crunches on a stability ball proved to be the most effective and safe.