(CNN) — When your shoulders ache or feel stiff, your first instinct might be to stretch or massage them. But the real culprit behind most shoulder problems isn’t surface-level tension — it’s more ...
The trapezius, rhomboids, levator scapula, pectoralis minor, and serratus anterior are the muscles that contribute to the scapula's motion. These muscles are attached to the scapula and the spine or ...
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