Jack Knife with the Stability Ball

In Trainer Tips by inshape

Presented By:  Kelley Pearce ACSM Certified Exercise Physiologist

  1. Position yourself face down on the stability ball with your toes into the ball.
  2. Check your upper body to make sure that your shoulder, elbow and wrist are creating a straight line down to the floor.
  3. In your plank position, draw the toes to your torso.
  4. Release back to your starting plank position.
  5. Repeat 10-15 repetitions, 2-3 sets
If you feel as though your exercise routine has jackknifed, contact one of our trainers today to get you back on track!
In Shape Athletic Club 541-687-2200