There's some static-active powers thar! However, it only trains strength in the shortened position, don't we need strength in the lengthened position to avoid shortening?
static hold for the hip flexors, good stuff. I was having my son do not only this one, but also for the glut medius, hams, and others. It really worked great.
ha i wasted 12 seconds of my life thinking he was going to jump...
nath1593 3 months ago
Gay
collector10000 6 months ago 2
When did George Costanza get into fitness?
boxingisbest 8 months ago
not as easy as it looks.
alsaidi 1 year ago
There's some static-active powers thar! However, it only trains strength in the shortened position, don't we need strength in the lengthened position to avoid shortening?
tyciol 2 years ago
HAHA!
RigoStar1931 2 years ago
...
steroidsR4winners 2 years ago
...
steroidsR4winners 2 years ago
.... looks like a waste of time 2 me. the box is not even really needed.
son1gohan 2 years ago
static hold for the hip flexors, good stuff. I was having my son do not only this one, but also for the glut medius, hams, and others. It really worked great.
frizbee211 2 years ago