Oblique crunch - wobble cushion

Oblique crunch - wobble cushion

Lie on the ground with a wobble cushion underneath your back.
Bend both knees and put your feet on the ground.
Place your hands on the side of your head.
Maintain your abdominal muscles tight and try to balance on the cushion.
Lift one of your elbows towards the opposite knee by bending your trunk.
Slowly return to the starting position and repeat with the other side.

Required equipment: Mat, Wobble cushion / foam
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