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In This Series

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

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  • Hold the medicine ball securely between your feet and brace your abs.

Medicine ball jackknife

mens fitness

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  • Crunch your legs into your chest and reach up with your arms.

Medicine ball jackknife

mens fitness

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  • Continue the ball's arc by taking it behind your head without touching the floor.

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