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Human Anatomy & Physiology > Lab 9 - Appendicular Muscles > Flashcards

Lab 9 - Appendicular Muscles Flashcards

1
Q

Action and attachment of serratus anterior:

A

Action: Draws scapula laterally and forward (forward-reaching and pushing actions)
Attachment: All ribs and medial border of scapula

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2
Q

Action and attachment of trapezius:

A

Action: Stabilizes scapula and shoulder during arm movements; elevates and depresses apex of shoulder
Attachment: Base of skull, cervical and thoracic portion of the spine, scapula, and clavicle

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3
Q

Action and attachment of deltoid:

A

Action: Anterior fibers flex and medially rotate arm; lateral fibers abduct arm; posterior fibers extend and laterally rotate arm
Attachment: Clavicle, scapula, and humerus

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4
Q

Action and attachment of teres major:

A

Action: Extends and medially rotates humerus
Attachment: Inferior angle of scapula and intertubercular groove of humerus

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5
Q

Action and attachment of latissimus dorsi:

A

Action: Adducts and medially rotates humers; extends shoulder joint; backswing
Attachment: T7-L5, lower 3-4 ribs, and iliac crest

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6
Q

Action and attachment of pectoralis major:

A

Action: Flexes, adducts, and medially rotates humerus; deep inspriation
Attachment: Medial half of clavicle, costal cartilages 1-7

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7
Q

Action and attachment of supraspinatus:

A

Action: Aids deltoid in abduction of arm, resists downward slippage of humeral head
Attachment: Supraspinous fossa (scapula) and greater tubercle of humerus

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8
Q

Action and attachment of infraspinatus:

A

Action: Modulates action of deltoid, resists upward slippage of the humeral head, rotates humerus laterally
Attachment: Infraspinous fossa, greater tubercle

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9
Q

Action and attachment of teres minor:

A

Action: Modulates action of deltoid, prevents upward slippage of humeral head, rotates humerus laterally
Attachment: Scapula, greater tubercle

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10
Q

Action and attachment of subscapularis:

A

Action: Modulates action of deltoid, prevents upward slippage of humeral head as arm is abducted, rotates humerus medially
Attachment: Subscapular fossa, less tubercle

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11
Q

Action and attachments of brachialis:

A

Action: Prime mover of elbow flexion
Attachment: Anterior surface of distal end of humerus, coronoid process (ulna)

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12
Q

Action and attachment of biceps brachii:

A

Action: Supination of forearm
Attachment: Long head inserts into glenoid cavity; short head inserts into coracoid process (scapula)

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13
Q

Action and attachment of triceps brachii:

A

Action: Extends elbow; long head extends and adducts humerus
Attachment: Glenoid cavity (scapula), proximal end of humerus, olecranon

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14
Q

Action and attachment of brachioradialis:

A

Action: Flexes elbow
Attachment: Lateral supracondylar ridge of humerus

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15
Q

Action and attachment of pronator quadratus:

A

Action: Forearm protonation
Attachment: Anterior surface of distal ulna and radius

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16
Q

Action and attachment of protnator teres:

A

Action: Assists in protonation
Attachment: Humeral shaft near medial epicondyle, coronoid process (ulna)

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17
Q

Action and attachment of supinator:

A

Action: Supinates forearm
Attachment: Lateral epicondyle (humerus), supinator crest (ulna)

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18
Q

Action and attachment of flexor carpi radialis:

A

Action: Flexes wrist anteriorly, aids in radial flexion of wrist
Attachment: Medial condyle (humerus), base of metacarpals 2-3

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19
Q

Action and attachment of flexor carpi ulnaris:

A

Action: Flexes wrist anteriorly, aids in ulnar flexion of wrist
Attachment: Medial epicondyle (humerus), olecranon

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20
Q

Action and attachment of palmaris longus:

A

Action: Anchors skin and fascia of palmar region
Attachment: Medial epicondyle, flexor retinaculum

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21
Q

Action and attachment of flexor digitorum superficialis:

A

Action: Flexes wrist, intercarpophalangeal and interphalangeal joints
Attachment: Medial epicondyle, coronoid process (ulna)

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22
Q

Action and attachment of flexor digitorum profundis:

A

Action: Flexes wrist
Attachment: Proximal 3/4 of ulna, coronoid process (ulna)

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23
Q

Action and attachment of flexor pollicis longus:

A

Action: Flexes phalanges of thumb
Attachment: Radius and distal phalanx 1

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24
Q

Action and attachment of extensor carpi radialis longus:

A

Action: Extends wrist, aids in radial flexion of wrist
Attachment: Lateral supracondylar ridge of humerus

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25
Q

Action and attachment of extensor carpi radialis brevis:

A

Action: Extends wrists; aids in radial flexion of wrist
Attachment: Lateral epicondyle of humerus

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26
Q

Action and attachment of extensor digitorum:

A

Action: Extends wrist and finger joints, spreads digits apart
Attachment: Lateral epicondyle

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27
Q

Action and attachment of extensor digiti minimi:

A

Action: Extends wrist and all joints of little finger
Attachment: Lateral epicondyle

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28
Q

Action and attachment of extensor carpi ulnaris:

A

Action: Extends and fixes wrist when fist is clenched
Attachment: Lateral epicondyle

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29
Q

Action and attachment of abductor pollicis longus:

A

Action: Abducts thumb in frontal plane
Attachment: Posterior surfaces if radius and ulna

30
Q

Action and attachment of extensor pollicis brevis:

A

Action: Extends metacarpal 1 and proximal phalanx of thumb
Attachment: Shaft of radius

31
Q

Action and attachment of extensor pollicis longus:

A

Action: Extends distal phalanx 1, adducts and laterally extends thumb
Attachment: Posterior surface of ulna

32
Q

Action and attachment of extensor indicis:

A

Action: Extends wrist and index finger
Attachment: Posterior surface of ulna

33
Q

Action and attachment of adductor pollicis:

A

Action: Draws thumb toward palm; gripping tools
Attachment: Capitate, anterior ligaments of wrist

34
Q

Action and attachment of abductor pollicis brevis:

A

Action: Abducts thumb in sagittal plane
Attachment: Flexor retinaculum, scaphoid, trapezium

35
Q

Action and attachment of flexor pollicis brevis:

A

Action: Flexes metacarpophalangeal joint of thumn
Attachment: Trapezium, trapezoid, capitate

36
Q

Action and attachment of opponens pollicis:

A

Action: Flexes metacarpal 1 to oppose thumb to fingertips
Attachment: Trapezium

37
Q

Action and attachment of abductor digiti minimi:

A

Action: Abducts little finger; spreads fingers
Attachment: Pisiform

38
Q

Action and attachment of flexor digiti minimi brevis:

A

Action: Flexes little finger at metacarpophalangeal joint
Attachment: Hamulus of hamate

39
Q

Action and attachment of opponens digiti minimi;

A

Action: Flexes metacarpal V at carpometacarpal joint
Attachment: Hamulus of hamate

40
Q

Action and attachment of gluteus maximus:

A

Action: Extends thigh at hip, abducts thigh, elevates trunk after stooping
Attachment: Iliac crest, latera condyle of tibia

41
Q

Action and attachment of gluteus medius:

A

Action: Abduct and medially rotate thigh
Attachment: Posterior gluteal line of ilium, coccyx, gluteal tuberosity (femur)

42
Q

Action and attachment of gluteus minimus:

A

Action: Abduct the hip, medially rotate thigh
Attachment: Ilium and femur

43
Q

Action and attachment of adductor brevis:

A

Action: Adducts thigh
Attachment: Body and inferior ramus of pubis, linea aspera (femur)

44
Q

Action and attachment of adductor longus:

A

Action: Adducts and medially rotates thigh, flexes thigh at hip
Attachment: Body and inferior ramus of pubis, linea aspera (femur)

45
Q

Action and attachment of adductor magnus:

A

Action: Adducts and medially rotates thigh, extends thigh at hip
Attachment: Inferior ramus of pubis, ischial tuberosity, linea aspera

46
Q

Action and attachment of gracilis:

A

Action: Flexes and medially rotates tibia at knee
Attachment: Body and inferior ramus of pubis, ramus of ischium

47
Q

Action and attachment of pectineus:

A

Action: Flexes and adducts thigh
Attachment: Superior ramus of pubis, spiral line (femur)

48
Q

Action and attachment of piriformis:

A

Action: Laterally rotates extended thigh; abducts flexed thigh
Attachment: Anterior surface of sacrum, gluteal surface of ilium

49
Q

Action and attachment of sartorius:

A

Action: Aids in knee flexion, abducts and laterally rotates thigh
Attachment: Anterior superior spine of ilium, proximal end of tibia

50
Q

Action and attachment of quadriceps femoris:

A

Action: Extends the knee
Attachment: Patella, tibial tuberosity, lateral and medial condyles of tibia

51
Q

Action and attachment of rectus femoris:

A

Action: Extends knee, flexes thigh at hip
Attachment: Ilium, acetabulum

52
Q

Action and attachment of vastus lateralis:

A

Action: Extends knee, retains patella in groove on femur during knee movements
Attachment: Greater trochanter (femur), gluteal tuberosity

53
Q

Action and attachment of vastus medialis:

A

Action: Extends knee, retains patella in groove on femur during knee movements
Attachment: Greater trochanter (femur), gluteal tuberosity

54
Q

Action and attachment of vastus intermedius:

A

Action: Extends knee
Attachment: Anterior and lateral surfaces of femoral shaft

55
Q

Action and attachment of tibialis anterior:

A

Action: Dorsiflexes and inverts foot, resists backward tipping of body
Attachment: Lateral condyle and tibia

56
Q

Action and attachment of extensor digitorum longus:

A

Action: Extends toes, dorsiflexion
Attachment: Lateral condyle of tibia and shaft of fibula

57
Q

Action and attachment of extensor hallucis longus:

A

Action: Extends great toe
Attachment: Anterior surface of fibula

58
Q

Action and attachment of fibularis (peroneus) longus:

A

Action: Maintains concavity of sole during tip-toeing
Attachment: Head and lateral surface of proximal end of fibula

59
Q

Action and attachment of fibularis (peroneus) brevis:

A

Action: Maintains concavity of sole during tip-toeing
Attachment: Lateral surface of distal end of fibula

60
Q

Action and attachment of gastrocnemius:

A

Action: Plantar flexion, flexes knee
Attachment: Condyles, popliteal surface, calcaneus

61
Q

Action and attachment of soleus:

A

Action: Plantar flexion
Attachment: Posterior surface of fibula, tibia, and calcaneus

62
Q

Action and attachment of flexor hallucis longus:

A

Action: Same as flexor digitorum longus, but for hallux
Attachment: Distal end of fibula, and hallux

63
Q

Action and attachment of flexor digitorum longus:

A

Action: Flexes phalanges of digits 2-5
Attachment: Posterior surface of tibial shaft

64
Q

Action and attachment of tibialis posterior:

A

Action: Inverts foot
Attachment: Tibia, fibula, navicular

65
Q

Define baseball finger:

A

Tears in the extensor tendons of the fingers

66
Q

Define blocker’s arm:

A

Abnormal calcification in the lateral margin of the forearm

67
Q

Define charley horse:

A

Any pain ful tear, stiffness, and blood blotting in a muscle; usually in the quadriceps femoris

68
Q

Define pitcher’s arm:

A

Inflammation at the proximal attachment of the flexor carpi muscles

69
Q

Define pulled groin:

A

Strain in the adductor muscles of the thigh; usually caused by splits or high kicks

70
Q

Define pulled hamstrings:

A

Strained hamstring muscles or a partial tear in their tendons

71
Q

Define tennis elbow:

A

Inflammation at the proximal attachment of the extensor carpi muscles on the lateral epicondyle of the humerus

Human Anatomy & Physiology (9 decks)

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