I have a chronic shoulder\/elbow condition that be aggravate by weight bearing exercise , and think this piece of equipment would be just the thing I need to prevent that , yet still get the arm\/shoulder shaping I desire . not so ... after the first use , my condition -lrb- tendonitis\/bursitis -rrb- flare so badly that I have to use ibuprofen and ice\/heat therapy for several day just to endure . it be be several week now , and I still have some pain . although the workout look harmless enough , just be aware of the potential problem if you already have any chronic condition . the short workout program include may be too long to start out with .