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This move will strengthen your erector spinae muscles as well as the backs of your legs. Be sure to maintain perfect form to prevent injuries.

Variation: Medicine ball sledgehammer

20 Aug 2009

This exercise targets a host of muscles around your body, especially the stabilising muscles in your lower back.

Medicine ball sledgehammer: Step 1
  • Keep your back flat.
  • Bring the ball down powerfully through your legs.
Medicine ball sledgehammer: Step 2
  • Straighten your legs and lift the ball high.

This content is from the experts at Men's Fitness magazine.

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