Dr Mel Siff on Janda / Reciprocal Inhibition Crunches
Author: Dr Mel Siff Blog // Category: Dr Siff On All Things core, Dr Siff on Resistance Training<< I have seen several definitions of the Janda crunch, this being the latest
from:
http://www.cyberpump.com/chuckpit/chuck010.html
“Find a high bench or something similar. Drape your legs across it like you
normally would. Now, as you crunch up, dig your heels into the bench. What
this does is contract your hip extensors which automatically relaxes your
hip flexors (autogenic inhibition if you wish to look it up) and targets your
abdominals. See, even when you are doing normal crunches, the hip flexors (in
most people) isometrically contract very strongly. Doing the Janda crunch is
a much more intense way of crunching if you are doing it right.”
Comments to the accuracy of this description? >>
*** This definition conveys the general idea. Way before Janda and various
latter day fitness popularists of this situp came on the scene, one of the Read more…