How to Perform a Swiss Ball Jackknife | physical exercise, knee, Core stability, vertebral column | The Swiss Ball Jackknife is a great anterior core exercise that requires lots of core stability.
Human Kinetics - The stability ball jackknife is a great exercise for the core. Learn step by step directions on how to perform the exercise along with 100 other exercises, each with
![How To Do A HANDS ELEVATED SWISS BALL JACKKNIFE | Exercise Demonstration Video and Guide - Live Lean TV How To Do A HANDS ELEVATED SWISS BALL JACKKNIFE | Exercise Demonstration Video and Guide - Live Lean TV](https://liveleantv.s3.amazonaws.com/wp-content/uploads/2017/08/24113841/hands-elevated-swiss-ball-jackkife.png)