Prone trunk extensions (Trunk extension strengthening, arms at sides, prone)

Prone trunk extensions (Trunk extension strengthening, arms at sides, prone)

Lie on your front with your arms by your side.
Lift your head and chest off the floor as far as you can using the strength of your lower and upper back muscles.
Lower your head and chest back down in a controlled manner and then repeat.

Required equipment: No equipment, Mat
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