The Zottman curl isn't some hyper-technical, new-age innovation, either. The exercise has been around since the 19th century, when old-time strongman George Zottman developed it to target the biceps, ...

Anna Kaiser shares the stability ball ab curl that she does with clients like Kelly Ripa in three sets of 10 reps. The move is a full-body workout. Once you’ve assumed the modified plank position with ...