One Arm Bicep Concentration on Stability Ball with Dumbbell

· Grasp a dumbbell in one hand and sit on a Stability Ball with your feet wide apart. · Bend forward leaning at the waist. · With the dumbbell in your hand, place your elbow against your knee. · Lower your arm so it is flat against your calves. · Curl your arm up to your chest keeping your elbow steady. · Return to starting position and change hands.

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