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The shoulder muscles have three main heads: the anterior (front), lateral (side), and posterior (back) heads. These muscles work together to provide stability and mobility to the shoulder joint. The anterior head helps with flexion and internal rotation, the lateral head assists with abduction and external rotation, and the posterior head aids in extension and external rotation. Strengthening these muscles helps improve overall shoulder strength and mobility, allowing for a wider range of motion and better stability during activities.

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5mo ago

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