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Published byNathaniel Pitts Modified over 9 years ago
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Frontalis Raises eyebrows Muscle Action
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Muscle= Zygomaticus Demonstrate the action. A B C D E
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Latissimus dorsi 1. Shoulder adduction 2. Shoulder extension Muscle Action 1 Action 2
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Rectus abdominis Flexes trunk Muscle Action
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Orbicularis oculi Closes eye Muscle Action
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Sternocleidomastoid 1. Rotates head (alone) 2. Flexes neck (together) Muscle Action 1 Action 2
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Muscle= Platysma Frown A B C D E Action
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Muscle Stabilize and Rotate shoulder. Action
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The deepest layer of the abdominal wall. Transversus abdominis Compresses abdomen and rotates trunk Muscle Action
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Muscle= Buccinator Keeps cheeks against teeth. A B C D E Action
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Most superficial layer of abdominal wall. External oblique Rotates trunk Muscle Action
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Muscle= Temporalis Closes jaw. A B C D E Action
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Muscle Stabilize and Rotate the shoulder. Action
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The 2 nd (middle) layer of the abdominal wall. Internal obliques Rotates trunk Muscle Action
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Diaphragm Breathing Muscle Action
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Deltoid Demonstrate the action. Muscle
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Stabilize and Rotate the shoulder. Action
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Pectoralis major Shoulder horizontal adduction Muscle Action
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Mentalis Demonstrate the action. Muscle
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Column of 3 muscles Erector spinae 1. Extends trunk (together) 2. Lateral flexion (alone) Muscle Action 1 Action 2
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Muscle= Masseter Closes jaw. A B C D E Action
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Trapezius 1. Neck extension 2. Shoulder elevation 3. Shoulder retraction Muscle Action 1 Action 2 Action 3
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External oblique Rotates trunk Muscle Action
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Orbicularis oris -Compresses and protrudes lips, the kissing muscle. Muscle Action
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Muscle Stabilize and Rotate the shoulder. Action
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Nasalis Scrunches nose Crinkles nose Muscle Action
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