Seal jacks

Seal jacks

Instructions

Stand tall with your back straight, feet together and arms stretched in front of you.
Jump to land with your legs apart and your arms stretched on the sides.
Make another jump to get back to the starting position (feet together and arms stretched in front of you).

Muscles

Primary muscles - Calves Hamstrings Quadriceps

Secondary muscles - Shoulders

Alternative exercises

Cross body jumping jacks

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