Oblique Crunch on an Exercise Ball


The Crunch on an Exercise Ball is a variation on a classic movement that will build strength and stability in your abdominal muscles.

The Oblique Crunch on an Exercise Ball forms part of the Golf Strength and Endurance series of innovative and dynamic exercises that are designed to efficiently increase your stabilising strength – supporting proper body alignment, movement patterns, and energy transfer within the golf swing, and helping to prevent injuries.


This exercise requires an exercise ball, often referred to as a Swiss ball, and also known as a balance ball, fitness ball, gym ball, stability ball, physioball, Swedish ball, therapy ball, or yoga ball.


Figure 1.  Oblique Crunch on an Exercise Ball Video.



  • Start by lying face up on an exercise ball, your torso draped over the ball, with your hands supporting your head.
  • Crunch your torso, pulling your chest and pelvis together, while rotating your torso to one side.
  • Relax and drape torso over the ball, feeling a mild stretch in your abdominal muscles.
  • Repeat as you rotate to the other side.
  • Repeat for the desired number of repetitions on each side.


Keep your neck supported and relaxed, your feet flat on the floor, and your abdominal muscles engaged.

You should feel it working your abdominal muscles.



Once you can perform this exercise easily, try it as you hold a weight plate behind your head.


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