I just found out that I have a torn ACl and medial meniscus. I have to have a pretty extensive surgery. The cups came loose and I threw myself off to the right side. A $265.00 piece of equipment is going to cost me close to $12, 000. Tried to call company... got transferred around. Took my name and number they have not called back and are still charging me monthly installments. Do NOT recommend this product to anyone.. read full review »