The perfect ab workout when you don't have a lot of time. Part of the P90x series, the Ab Ripper X workout takes you through 11 ab & core exercises with about 25+ reps each giving you a total of 339 ab crunching moves. If you're a P90x user, track this workout and never miss another day -- even when you're traveling!
プログラムを探す
Kettlebells
