- Feb 8, 2009
- 534
- 39
I saw a ad in SLAM for these vertical training mechanism called "Jumpsoles" anyone tried em?
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Originally Posted by Tko21
just do regular calf excersise and you'll get the same results. jump roles works also
Originally Posted by BlastaMasta8
Jump Soles gave me pretty bad tendonitis when I used to train with them.