Anatomy Exam Muscles

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Author:
alicia0309
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240689
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Anatomy Exam Muscles
Updated:
2013-10-15 00:18:52
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Human Anatomy
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Chapter 11
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  1. Functions of the Axial Muscles
    • Support the head
    • Facial expression, chewing and swallowing
    • Aid in breathing
    • Support and Protect abdominal and pelvic organs
  2. Axial Muscles have both their origins and insertions on parts of the axial skeleton
    TRUE
  3. what are the five groups of Axial Muscles
    • Head and Neck
    • Vertebral Column
    • Respiration
    • Abdominal wall
    • Pelvic Floor
  4. Facial Expression Muscles are controlled by what nerve
    • Cranial Nerve VII
    • (facial Nerve)
  5. Pharyngeal Muscles
    Swallowing
  6. Extrinsic Tongue
    • Protract
    • Retract
    • Elevate
    • Depress
  7. Intrinsic Tongue muscles do what
    • squeeze
    • fold
    • curl
  8. Muscles of Mastication
    Move the Mandible
  9. Extrinsic Eye Muscles
    move eye
  10. extrinsic =
    located outside
  11. Cranial Nerve X
    the Vagus Nerve
  12. Sternocleidomastoid
    • bilateral= Flex Neck
    • unilateral= rotates head to opposite direction
    • O: Manibrium end of Clavicle
    • I: Mastoid Process of Temporal Bone
    • CN XI
  13. Zygomaticus major
    • Smile
    • O: Zygomatic bone
    • I: skin at edge of mouth
    • CN VII (Facial Nerve)
  14. orbicularis oculi
    • Closes eyes
    • O: medial wall of Orbit
    • I: Skin surrounding eyelids
    • CN VII (FACIAL)
  15. Deep back muscles
    stabilize and extend spine
  16. posterior neck
    extend neck
  17. Anterior arm
    • Flex Elbow
    • Supinate
  18. Posterior Arm
    Extend Elbow
  19. Anterior Forearm
    • Pronation
    • extends wrist, hands and fingers
  20. posterior forearm
    • supination
    • extends wrist hands and fingers
  21. Thenar Group
    moves thumb
  22. Hypothenar Group
    affects the motion of the pinky
  23. midpalmer group
    affect the motion of all the fingers and thumb
  24. Anterior Hip
    flexion
  25. Medial Thigh
    adduct the leg
  26. Gluteal Group
    extend the Hips
  27. Anterior Thigh
    Quads Extend the Knee
  28. Posterior Thigh
    Hamstring Flexes the Knee
  29. Deltoid
    Abduction of the arm
  30. bicep brachi
    forearm flexion
  31. Brachioradials
    flexion of the forearm
  32. Pronater Teres
    Pronation of the Forearm
  33. Tricep Brachi
    action
    origin/insertion
    • two head to the humerus
    • one head to the scapula
    • extending arm
  34. Buccinator
    • Compression of cheeks "trumpet"
    • sucking through a straw
    • keeps food out of vestibule
    • O: Alveolar process of maxilla & mandible
    • I: Orbicularis oris
    • CN VII (FACIAL)
  35. Levator palpebrae superioris
    • origin Sphenoid bone
    • insertion upper eyelid
    • Cranial Nerve III
    • Elevates Eyelid
  36. Muscles of the Anterior Neck include
    • Suprahyoid
    • Infrahyoid
  37. Suprahyoid Muscles do _______ during _______
    elevate the hyoid bone during swallowing
  38. Infrahyoid bones do ______  during ______
    depress the hyoid bone during swallowing
  39. Posterior Muscles of the Neck ______ when they ______
    extend the head/neck when they contract bilaterally
  40. Quadratus Lumborum
    • Bilateral =extension of the trunk
    • unilateral =flexion of the trunk
    • O: Iliac crest
    • I: last rib
    • Thoracic and Lumbar Spinal Nerves
  41. Diaphragm
  42. major muscle of respiration
  43. external intercostals
    • elevates the ribs during inhalation
    • O: inferior border of superior rib
    • I: Superior border of inferior rib
    • Thoracic Spinal Nerves
  44. rectus abdominis
    • Flexion of trunk, six pack muscle, holds in organs
    • O:superior margin of Pubis
    • I: Xiphoid Process
    • Spinal Nerves T7-T12
  45. triangles of the pelvic floor
    • Urogenital triangle
    • Anal triangle
  46. Appendicular Muscles do what???
    • Move upper and lower limbs 
    • stabilize pectoral and pelvic girdle
  47. Muscles that move the pelvic girdle
    • these muscles stabilize scapula during vigorous activities of the upper limb
    • Trapezius
  48. Trapezius
    elevates, retracts and depress the scapula

    • o: Occipital Bone
    • I: Acromin & Spine of scapula

    Cranial Nerve XI (accessory nerve)
  49. Latissimus dorsi
    • Adduction of the Arm
    • O: T7-T12, ribs 8-12, iliac crest
    • I: Humerus

    Thoracodorsal Nerve
  50. Deltoid
    • Extension and lateral rotation of Arm
    • O: Acromin
    • I: Humerus
  51. Triceps Brachi
    • extending the forearm
    • O: scapula, Humerus(above and below radial groove)
    • I: Olecranon of ulna
    • Radial Nerve
  52. Biceps brachi
    • flexion of the forearm
    • O: Scupula & coracoid of scapula
    • I: Radial tuberosity
    • Musculocutaneous nerve
  53. Brachioradialis
    • Flexion of the Arm
    • O: humerus
    • I: radius
    • Radial Nerve
  54. Pronator Teres
    • Pronation of the forearm
    • O: humerus and ulna
    • I: radius
    • Median Nerve
  55. flexor retinaculum
    it holds the muscles that cross over the anterior surface of the arm in place
  56. carpal tunnel
    space between the flexor retinaculum and the carpal bones
  57. intrinsic foot muscles
    • supports arches
    • moves toes
    • plantar fascia (cushion to walk on)
  58. Abductor Hallucis
    abducts the big toe
  59. anterior leg
    dorsiflexion
  60. posterior leg
    "crural"
    plantar flexion
  61. lateral leg
    "crural"
    eversion
  62. intr
  63. Abductor brevis
    • Adduction of thigh
    • O: pubis bone
    • I: femur
    • Obturator nerve
  64. Gluteus Maximus
    • Extension of thigh
    • O: Iliac Crest, sacrum, coccyx
    • I: Femur
    • Inferior Gluteal Nerve
  65. Vastus mediallis
    • Extension of the thigh
    • O: femur
    • I: quad tendon to patella then tibial tuberosity
    • Femoral Nerve
  66. Rectus femoris
    • extension thigh
    • O: Iliac spine
    • I: patella & tibial tuberosity
    • Femoral Nerve
  67. Biceps femoris
    • Flexion of the Leg/Extension of the thigh
    • O: long head-ischial tuberosity, short head ischium tuberosity (FEMUR)
    • I: Head of Fibula
    • Tibial Nerve
  68. posterior Leg is also know as the ____
    Hamstring
  69. Tibialis Posterior
    • Plantar flexion of foot
    • O: Fibula, tibia, and interosseous membrane
    • I: Metatarsals II-IV
    • Tibial Nerve
  70. Gastrocnemius
    • Plantar Flexion of foot
    • O: lateral and medial condyles of femur
    • I: Calcaneous
    • Tibial Nerve
  71. External Anal Sphincter
    • close the anus
    • O: perineal body
    • I: encircles anal opening
    • Pudendal Nerve
  72. Frontal belly of Occipitofrontalis
    • Elevates eyebrows
    • O: fronatl
    • I: epicranial aponeurosis
    • CN VII (FACIAL)

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