REVIEW INTRO. MUSCLES OF FACE & NECK

1. REVIEW INTRO. MUSCLES OF FACE & NECK

2. Rectus fibers Under splenius Oblique fibers

3. Occipitalis

4. The muscle name biceps means it has 2 ____________. origins

5. When a muscle contracts and shortens, its ________ is pulled toward its _________. insertionorigin

6. Masseter

7. Temporalis

8. Buccinator

9. What is the term that refers to a ring of muscle that contracts to close an opening; it works much like a drawstring? sphincter

10. The epicranius consists of what 2 muscles? Frontalis Occipitalis

11. What is the primary function of the orbicularis oris? closes and protrudes the lips

12. Zygomaticus

13. Platysma Known as the pouting muscle

14. When you clench your mouth hard, what muscle is the prime mover that can be palpated in the cheek area? masseter

15. The primary function of the frontalis working with the occipitalis is to __________________________. raises eyebrows and creates wrinkles in forehead

16. Orbicularis oris

17. What is the primary function of the zygomaticus? raises the corner of the mouth; smiling

18. Name the Skeletal Muscle Actions: • = decreasing the angle between 2 bones • = decreasing the angle between the foot and shin; • = pointing toes; • = increasing the angle between 2 bones • = moving a body part away from the midline • = moving a body part toward the midline Flexion Dorsiflexion Plantar flexion Extension Abduction Adduction

19. Frontalis

20. What are muscles called that contract to stabilize nearby joints? Synergists

21. Lateral pterygoid Lateral pterygoid

22. What is the primary function of the orbicularis oculi? Close eyes

23. Medial pterygoid

24. The ____________ of a muscle is its immovable (anchored) end. origin

25. Orbicularis oculi

26. Buccinator Also known as the “trumpeter’s muscle”

27. TMJ The primary muscles involved are the following: temporalis, masseter, medial pterygoid, and lateral pterygoid Name the muscles involved with TMJ.

28. = movement in a circular (cone- shaped) motion = turning movement of a bone about its long axis; (i.e.atlas/axis) = turn at elbow so palms are up = turn at elbow so palms are down = sole of foot in = sole of foot out = lifting a body part; (i.e. shoulder shrug) = returning a body part to pre-elevated position. Circumduction Rotation Supination Pronation Inversion Eversion Elevation Depression

29. Give the term for the Relative Size of a muscle • = largest • = longest • = shortest maximus longus brevis

30. Frontalis Name the muscle that does this action.

31. Name muscles of facial expression. Orbicularis oculi Orbicularis oris Epicranius (frontalis and occipitalis Buccinator Zygomaticus platysma

32. The frontalis is connected to the occipitalis by the_______________________ epicranial aponeurosis

33. Muscle that causes “crows feet” wrinkles Orbicularis oculi

34. Occipitalis

35. Oribicularis oculi

36. Do you know what TMJ is, its causes and its treatments? Review page 308 in text.

37. Orbicularis oculi the winking muscle

38. Muscle that allows compression on lacrimal gland to secrete tears Orbicularis oculi

39. Platysma

40. The general term for the muscle that contracts to cause the desired action. Prime mover or agonist

41. Orbicularis oris Known as the Kissing Muscle

42. Platysma

43. Name the muscles of mastication. Masseter Temporalis Medial pterygoid Lateral pterygoid.

44. Splenius capitus

45. Give the Term for the Direction of fascicles relative to midline • = parallel • = perpendicular • = at 45o angle rectus transverse oblique

46. Give the Shape of each muscle • deltoid = • trapezius = • serratus = • orbicularis = triangle trapezoid saw-toothed circular

47. Frontalis

48. Epicranius aponeurosis

49. Buccinator

50. Zygomaticus