May 5, 2021

How to do Jack Knife with Ball

Mom Coach Cal attorney David Taylor. I'm here in the garage. This a core exercise very similar to what we call Jackknife, Situp. We're going to do with the ball. Looks like this. Take the ball up over your head. Bring your feet 6 inches off the ground and we're going to check my phone. Two point toes. 3. For. Fat jackknife sit up with the ball.

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