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Single Arm Reach: shoulders, scapular muscles, spinal erectors, core, glutes, lats, triceps, forearms
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If your stiff and sit a lot, you need this exercise! It's a tough one for a lot of people, but the pay off is incredible, especially if you have upper back and neck pain.
Shoulder and thoracic spine mobility for better head positioning and arm swing mechanics while walking, running, striking, and throwing.