Bicep Curl Dumbbell Crunch 1. Stand tall, feet shoulder-width apart ...
Curl both invisible dumbbells up toward your shoulders. 3. Lower your arms and repeat. Muscle Focus: Biceps. 1. Lay on your back ...
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Curl both invisible dumbbells up toward your shoulders. 3. Lower your arms and repeat. Muscle Focus: Biceps. 1. Lay on your back ...
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