Upper Back Pain - Cabarrus County Schools

3. Check reining flexion of the neck. I like that word, check rein. Like the reins on a horse, when both muscles are working together, this muscle pulls the neck back. When you're flexing your neck forward both the muscles are contracting so your head doesn't fall forward too much. 4. Elevating the scapula, as this muscle’s name implies. ................
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