US$ 19.99
and the adjustable arm curl handle includes slip resistant grips and a standard weight post with spring lock
All ropes are made of durable poly-twine with wrapped finished ends for durability
ab crunches and much more
this ab trainer offers fluid movement to protect your lower back while enhancing muscle engagement
or martial arts
Vertical Crunch Ab Bench Abdominal Back Trainer Hand and Forearm Trainers and the adjustable arm curlVertical Crunch Ab Bench Abdominal Back Trainer ABCVC The Vertical Crunch is a complete Core Training machine in a space saving design *Commercial Rated* The Vertical Crunch is a complete Core Training machine in a space saving design. The linkage system allows beginners to easily sit and perform an effective crunch motion. Advanced users can add plate loaded resistance for a progressive workout. The Vertical Crunch is designed with a free swivel seat