Medicine ball jackknife
By Coach Staff last updated

In This Series
- Introduction
- Pop-up press-up
- Medicine ball jackknife
- Wide-grip pull-up
- Human knot
- Leg pull
- Lower back stretch
Stokes' tip: 'Your core is important in surfingbecause the force generated from your movements travels backwards andforwards through your feet to your hips then into your torso and thisexercise strengthens that kinetic chain.'
Sets : 3
Reps : 10
Medicine ball jackknife
- Hold the medicine ball securely between your feet and brace your abs.
Medicine ball jackknife
- Crunch your legs into your chest and reach up with your arms.
Medicine ball jackknife
- Continue the ball's arc by taking it behind your head without touching the floor.
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