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MUSCLE ANATOMY – SHOULDERS – DELTOIDS

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CLICK ON IMAGE TO ENLARGE

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1. ANTERIOR FIBERS – Physiopedia
   (1) Flexion of the arm
   (2) Ab·duction of the arm
   (3) Horizontal Flexion of the arm at the shoulder joint
   (4) Internal/Medial Rotation
2. LATERAL FIBERS
   (1) Ab·duction of the arm
3. POSTERIOR FIBERS
   (1) Extends
   (2) Ab·duction of the arm
   (3) Horizontal Extension of the arm at the shoulder joint
   (4) External/Lateral Rotation

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YOUTUBE VIDEOS

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1. MUSCLE IN MOTION – DELTOID MUSCLE .
2. NOTED ANATOMIST – DELTOIDS & ROTATOR CUFF .
3. ANATOMY ZONE – DELTOID MUSCLE .
4. WEBSTER – LARGE SHOULDER MUSCLES .

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