Sit backs ("Sit backs" Core/abdominal strengthening; 01)

Sit backs ("Sit backs" Core/abdominal strengthening; 01)

Sit on the floor with your knees bent and your arms folded across your chest.
Keep your back straight as you slowly sit back and then return to the starting position.
Make sure your feet stay in contact with the floor.

Required equipment: No equipment, Mat
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