This exercise is very effective for training your trapezoids, rear deltoids (shoulder muscles) and biceps.
1. Get your body into a steady position (torso firm, chest out)
2. Stretch to extend the spine
3. Completely extend your arms and shoulder blades
4. Pull the dumbbell towards your hips
5. At the highest position, pull in your shoulders slightly
6. Actively pull your shoulder blades together
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