LOL, T1 those things are great. They seem to help in building up the little muscles that support the knee. At least thats my version of the story.
Might be true. Just be careful not to bend your knees sideways. They must be good for abs and lower back too?
Have you tried kettlebells? I like those, I´m just a little too lazy to get everything out of them. <img src="/ubbthreads/images/graemlins/banghead.gif" alt="" />
JYD #134
"Well opinions are like @$$holes, everybody has one." - Clint Eastwood
