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Frontalis

Muscle. Frontalis. Action. Raises eyebrows. A. Muscle= Zygomaticus. B. Demonstrate the action. C. D. E. Muscle. Latissimus dorsi. Action 1. 1. Shoulder adduction. Action 2. 2. Shoulder extension. Muscle. Rectus abdominis. Action. Flexes trunk. Muscle. Orbicularis oculi.

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Frontalis

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  1. Muscle Frontalis Action Raises eyebrows

  2. A Muscle= Zygomaticus B Demonstrate the action. C D E

  3. Muscle Latissimusdorsi Action 1 1. Shoulder adduction Action 2 2. Shoulder extension

  4. Muscle Rectus abdominis Action Flexes trunk

  5. Muscle Orbicularisoculi Action Closes eye

  6. Muscle Sternocleidomastoid Action 1 1. Rotates head (alone) Action 2 2. Flexes neck (together)

  7. A Muscle= Platysma B Action C Frown D E

  8. Action Shoulder Lateral rotation Muscle

  9. The deepest layer of the abdominal wall. Muscle Transversusabdominis Action Compresses abdomen and rotates trunk

  10. A Muscle= Buccinator B Action Keeps cheeks against teeth. C D E

  11. Most superficial layer of abdominal wall. Muscle External oblique Action Rotates trunk

  12. A Muscle= Temporalis B Action C Closes jaw. D E

  13. Action Shoulder Lateral rotation Muscle

  14. The 2nd (middle) layer of the abdominal wall. Muscle Internal obliques Action Rotates trunk

  15. Muscle Diaphragm Action Breathing

  16. Muscle Deltoid Demonstrate the action.

  17. Muscle Action Shoulder Medial rotation

  18. Muscle Pectoralis major Action Shoulder horizontal adduction

  19. Muscle Mentalis Demonstrate the action.

  20. Column of 3 muscles Muscle Erector spinae Action 1 1. Extends trunk (together) Action 2 2. Lateral flexion (alone)

  21. A Muscle= Masseter B Action C Closes jaw. D E

  22. Muscle Trapezius Action 1 1. Neck extension Action 2 2. Shoulder elevation Action 3 3. Shoulder retraction

  23. Muscle External oblique Action Rotates trunk

  24. Muscle Orbicularisoris Action -Compresses and protrudes lips, the kissing muscle.

  25. Muscle Action Shoulder Abduction

  26. Muscle Nasalis Action Scrunches nose Crinkles nose

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