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Double Knee Lifts

from Tim Skafidas

Directions
Lying on your back on a mat bend your knees at 90 degrees, with your shoulders and elbows flat to the mat, hands behind head (where they remain). Start by flattening your back to the mat, tighten your core, and first lift your knees back slightly, then up. Your butt should come of the mat slightly, as you drive your knees back slightly and then up (all coming from the core). Do this exercise slow, not using momentum to achieve this movement.
Helpful tips and Tricks
Think less about swinging the knees back and more of driving the knees up, using the muscles below the belly button the do the move. This is hard!
Target Muscles
Equipment