Sidelying shoulder external rotation with a dumbbell

Sidelying shoulder external rotation with a dumbbell

Lie on your side.
Place a folded towel between your upper arm and side.
Bend your elbow to 90 degrees.
Hold a weight in your hand.
Lift your hand up.
Return to the starting position.

Required equipment: Pillow, Towel, Dumbbell, Weights, free
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