Back extension on ball with hands behind head (Trunk extension strengthening, hands behind head, prone over stability ball; 01)

Back extension on ball with hands behind head (Trunk extension strengthening, hands behind head, prone over stability ball; 01)

Lie down with your upper thighs and pelvis over a fitness ball.
If needed use a partner to hold your feet on the floor.
Place your hands behind your head and move down slowly bending from your trunk, and then return back upright until your shoulders, hips, knees and ankles are aligned.

Required equipment: Stability Ball, Ball - large
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