Cruches are often misunderstood. Compress the abs like an accordion, bring your ribcage to your pelvis, rather than folding in half like a situp. Tuck your tailbone up off the ground to enhance the workout!
Stretches For Your Back! XHold all of those positions for 30 seconds to 1 minute and repeat on both sides for the ones you need to. If you repeat daily you will defiantly notice a difference within 4-5 days.