A simple exercise that can be done with household items such as soup cans instead of the toning ball.
Start in a split stance (lunge) position. Hinge forward from the hips, keeping your back straight. Raise your elbow so that it is slightly higher than your torso, keeping your arm close to your side.
Straighten your arm, squeezing the back of the upper arm as you do so. Return to the start position. Repeat 10-12 times, rest, then repeat the exercise.
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