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Anatomy Exam 2 > Muscles Quiz > Flashcards

Muscles Quiz Flashcards

1
Q

Levator scapulae movements, innervation

A
  • elevation of pectoral girdle
  • medial rotation of scapula in adduction
  • dorsal scapular
  • C(4), 5
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2
Q

Function and innervation of trapezius

A
  • upper fibers: elevation of pectoral girdle, lateral rotation of scapula in abduction
  • middle fibers: scapular retraction
  • lower fibers: depression of scapula, lateral rotation of scapula in abduction
  • Accessory CN XI (C1-C5)
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3
Q

Function and innervation of rhomboid major

A
  • scapular retraction
  • medial rotation of scapula
  • elevation of scapula
  • Dorsal scapular C5
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4
Q

Function and innervation of rhomboid minor

A
  • scapular retraction
  • medial rotation of scapula
  • elevation of scapula
  • Dorsal scapular C5
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5
Q

Function and innervation of pectoralis minor

A
  • scapular depression
  • protraction of scapula
  • medial rotation of scapula in adduction
  • medial pectoral C7,8
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6
Q

Function and innervation of latissimus dorsi

A
  • extension
  • adduction
  • medial rotation
  • scapular depression
  • Thoracodorsal C6,7,8
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7
Q

Function and innervation of pectoralis major

A
  • flexion of arm
  • adduction of arm
  • medial rotation of arm
  • depression of scapula/pectoral girdle
  • medial and lateral pectoral nerve C5-T1
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8
Q

Function and innervation of serratus anterior

A
  • scapular protraction
  • lateral rotation of scapula is abduction
  • Long thoracic C5,6,7
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9
Q

Muscles involved in elevation of shoulder/PG

A
  • levator scapulae
  • trapezius (upper)
  • rhomboid major
  • rhomboid minor
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10
Q

Muscles involved in depression of shoulder/PG

A
  • Pectoralis minor
  • Trapezius (lower)
  • Latissimus dorsi
  • Pectoralis major (sternocostal part)
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11
Q

Muscles involved in protraction of shoulder

A
  • serratus anterior

- pectoralis minor

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12
Q

Muscles involved in retraction of shoulder

A
  • rhomboid major
  • rhomboid minor
  • trapezius (middle)
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13
Q

Muscles involved in lateral rotation of scapula in abduction

A
  • serratus anterior

- trapezius (upper and lower)

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14
Q

Muscles involved in medial rotation of scapula in adduction

A
  • rhomboid major
  • rhomboid minor
  • levator scapulae
  • pectoralis minor
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15
Q

Deltoid function and innervation

A
  • abductor
  • extension of arm
  • lateral rotation
  • medial rotation
  • flexion of arm
  • Axillary nerve C5,6
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16
Q

Biceps brachii function and innervation

A
  • flexion of arm at shoulder
  • flexion of arm at elbow
  • supination at radio-ulnar joint
  • musculocutaneous nerve C5,6
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17
Q

Coracobrachialis function and innervation

A
  • flexion of arm

- musculocutaneous nerve C 5,6

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18
Q

Teres major function and innervation

A
  • extension of arm
  • adduction of arm
  • medial rotation
  • lower subscapular nerve C5,6
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19
Q

Supraspinatus function and innervation

A
  • abduction

- suprascapular nerve C5,6

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20
Q

Infraspinatus function and innervation

A
  • lateral rotation

- suprascapular nerve C5,6

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21
Q

Teres minor function and innervation

A
  • lateral rotation

- axillary nerve C5,6*

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22
Q

Subscapularis function and innervation

A
  • medial rotation

- upper and lower subscapular nerve C5,6

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23
Q

Muscles involved with flexion of the arm at shoulder

A
  • pectoralis major
  • deltoid
  • biceps
  • coracobrachialis
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24
Q

Muscles involved with extension of the arm at shoulder

A
  • deltoid
  • latissimus dorsi
  • teres major
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25
Q

Muscles involved with abduction of the arm at shoulder

A
  • deltoid

- supraspinatous

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26
Q

Muscles involved with adduction of the arm at shoulder

A
  • pectoralis major
  • latissimus dorsi
  • teres major
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27
Q

Muscles involved with lateral rotation of arm at shoulder

A
  • deltoid
  • infraspinatus
  • teres minor
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28
Q

Muscules involved with medial rotation of arm at shoulder

A
  • pectoralis major
  • latissimus dorsi
  • deltoid
  • teres major
  • subscapularis
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29
Q

Which muscles flex the thumb. Be sure to list which joints they flex at and their innervations.

A
  • all joints (CM, MP, esp. IP): flexor pollicis longus; anterior interosseous n (median n branch)
  • Flexor pollicis brevis: CM and MP: recurrent branch of median n
  • Opponens pollicis: CM only; recurrent branch of median nerve
  • all 8,1 segments
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30
Q

Which muscles extend the thumb. List the joints they act at, their innervations, and segments.

A
  • extensor pollicis longus: CM, MP, IP; posterior interosseous n; 7,8
  • extensor pollicis brevis: CM and MP; posterior interosseous n (7,8)
  • Abductor pollicis longus: CM only, posterior interosseous n (7,8)
  • Abductor pollicis brevis: IP only; recurrent branch of median n (6-1)
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31
Q

Which muscles abduct the thumb? Which joints do they act at and what are their innervations?

A
  • abductor pollicis longus: CM only; posterior interosseous n; 7,8
  • abductor pollicis brevis: CM and MP; recurrent branch of median n; 6-1
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32
Q

Which muscles adduct the thumb? Which joints do they act at and what is the innervation?

A

-adductor pollicis: CM and MP; ulnar n (deep branch); 8,1

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33
Q

Which muscles are responsible for opposition and medial rotation of the thumb? Give the innervation and segments.

A

-opponens pollicis; recurrent branch of median n; 6-1

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34
Q

Function and innervation of flexor pollicis longus

A
  • flexes at all joints: wrist, CM, MP, IP**

- anterior interosseous n branch of median nerve

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35
Q

Function and innervation of flexor pollicis brevis

A
  • flex thumb at MP and CM

- median recurrent branch

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36
Q

function and innervation of opponens pollicis

A
  • flex at CM
  • oppose and medially rotate thumb
  • recurrent branch of median nerve
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37
Q

Function and innervation of extensor pollicis longus and brevis

A
  • longus: extend wrist, CM, MP, and IP; posterior interosseous nerve
  • brevis: extend CM and MP; posterior interosseous nerve
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38
Q

Function and innervation of abductor pollicis longus

A
  • extends and abducts at CM joint only
  • abducts wrist
  • posterior interosseous nerve
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39
Q

Function and innervation of abductor pollicis brevis

A
  • extends IP joint
  • abducts at CM and MP joints
  • recurrent branch of median nerve
40
Q

Function and innervation of adductor pollicis

A
  • adducts thumb at CM and MP joints

- deep branch of ulnar nerve

41
Q

Flexor carpi ulnaris function and innervation

A
  • flex wrist, adduct (ulnar deviation) of wrist

- ulnar n

42
Q

Flexor carpi radialis function and innervation

A

-flex wrist, abduct wrist (radial deviation)

43
Q

Flexor digitorum profundas function and innervation

A
  • flex wrist, and all joints of fingers including DIP of all fingers, not thumb
  • lateral half: anterior interosseous n
  • medial half: ulnar nerve
44
Q

Flexor digitorum superficialis function and innervation

A
  • flex wrist, MP and PIP of all fingers

- median nerve

45
Q

Function and innervation of palmaris longus

A
  • flex wrist

- median nerve

46
Q

Function and innervation of extensor carpi ulnaris

A
  • extend wrist, adduct wrist

- posterior interosseous nerve

47
Q

Function and innervation of extensor carpi radialis longus

A
  • extend wrist, abduction of wrist

- posterior interosseous n

48
Q

Function and innervation of extensor carpi radialis brevis

A
  • extend wrist, abduct wrist

- posterior interosseous nerve

49
Q

Function and innervation of extensor digitorum

A
  • extend wrist, extend MP joint of fingers 2-4

- posterior interosseous nerve

50
Q

Function and innervation of extensor digiti minimu

A
  • extend wrist, extend little finger at MP joint

- posterior interosseous nerve

51
Q

Function and innervation of extensor pollicis longus

A
  • extend wrist
  • extend thumb at CM, MP, and IP joints
  • posterior interosseous nerve
52
Q

Function and innervation of extensor indicis

A
  • extend wrist

- extend index finger at MP joint

53
Q

Function and innervation of abductor pollicis longus

A
  • abduct wrist
  • abduct thumb at CM
  • posterior interosseous nerve
54
Q

Function and innervation of flexor carpi ulnaris

A
  • flex wrist
  • adduction of wrist
  • ulnar nerve
55
Q

List the muscles that act to flex the wrist.

A
  • flexor carpi ulnar
  • flexor carpi radialis
  • flexor digitorum profundas
  • flexor digitorum superficialis
  • flexor pollicis longus
  • palmaris longus
56
Q

List the muscles that act the extend the wrist

A
  • extensor carpi ulnar
  • extensor carpi radialis longus
  • extensor carpi radialis brevis
  • extensor digitorum
  • extensor digiti minimi
  • extensor pollicis longus
  • extensor indicis
57
Q

List the muscles that act to abduct the wrist

A
  • extensor carpi radialis longus
  • extensor carpis radialis brevis
  • flexor carpi radialis
  • abductor pollicis longus
58
Q

List the muscles that act to adduct the wrist

A
  • flexor carpi ulnaris

- extensor carpi ulnaris

59
Q

Function and innervation of lumbricals

A
  • flex MP
  • extend IP joints of all fingers
  • lateral 2: median nerve
  • medial 2: ulnar nerve
60
Q

Function and innervation of flexor digiti minimi brevis

A
  • flex CM and MP of little finger

- ulnar n

61
Q

Function and innervation of opponens digiti minimi

A
  • flex CM of little finger
  • opposition at CM of little finger
  • ulnar nerve
62
Q

List the muscles that extend the FINGERS at MP joints

A
  • extensor digitorum (2-4)
  • extensor indicis (2)
  • extensor digiti minimi (5)
63
Q

What muscles extend the IP joints of fingers?

A
  • lumbricals

- the extensor digitorum is not strong enough

64
Q

What muscles are responsible for abduction of fingers at MP joints?

A
  • dorsal interossei

- abductor digiti minimi

65
Q

What muscles are responsible for adduction of fingers at MP joints?

A
  • palmar interossei for 2,4,5

- dorsal interossei for middle finger

66
Q

Muscles involved with flexion at elbow joint

A
  • brachialis
  • biceps brachii
  • brachioradialis
  • flexor carpi radialis
  • pronator teres
67
Q

Muscles involved with extension at elbow joint

A
  • triceps

- anconeous

68
Q

Muscles involved with pronation of forearm

A
  • pronator teres

- pronator quadratus

69
Q

Muscles involved with supination of forearm

A
  • supinator
  • biceps brachii
  • brachioradialis
70
Q

Muscles involved with flexion of knee

A
  • semimembranosus
  • semitendinosus
  • biceps femoris long and short head
  • gracilis
  • sartorius
  • popliteus
  • gastrocnemius
71
Q

Muscles involved with extension of knee

A

-quadriceps femoris

72
Q

Muscles involved with lateral rotation of leg

A
  • gluteus maximus
  • biceps femoris
  • TFL
73
Q

Muscles involved with medial rotation of leg

A
  • popliteus
  • semimembranosus
  • semitendinosus
  • gracilis
  • sartorius
74
Q

muscles involved with flexion of hip joint

A
  • iliacus and psoas major
  • rectus femoris
  • sartorius
  • TFL
  • pectineus
  • adductor longus and brevis
75
Q

Muscles involved with extension of hip joint

A
  • gluteus maximus
  • semimembranosus
  • semitendinosus
  • biceps femoruis long head
  • adductor magnus
76
Q

Muscles involved with adduction of hip joint

A
  • adductors longus, brevis, magnus
  • gracilis
  • pectineus
77
Q

Muscles involved with abduction of hip joint

A
  • gluteus medium and minimus

- TFL

78
Q

Muscles involved with medial rotation of hip joint

A
  • gluteus minimus
  • gluteus medius
  • TFL
79
Q

Muscles involved with lateral rotation of hip joint

A
  • gluteus maximus
  • sartorius
  • deep lateral rotators of gluteal region
  • obturator externus
80
Q

Innervation and function of semimembranosus

A
  • flexion of knee
  • medial rotation of leg
  • extension of hip/thigh
  • tibial nerve
81
Q

Innervation and function of semitendinosus

A
  • flexion of knee
  • medial rotation of leg
  • extension of thigh
  • tibial nerve
82
Q

Biceps femoris head functions and innervation

A
  • shorthead: flexion of knee, lateral rotation of leg, common fibular nerve
  • long head: extend thigh, flex knee, lateral rotation of leg; tibial nerve
83
Q

Gracilis function and innervation

A
  • flex knee
  • medially rotate leg
  • adduction of thigh
  • obturator nerve
84
Q

Sartorius function and innervation

A
  • flex knee
  • medial rotation of leg
  • flexion of thigh
  • lateral rotation of thigh at hip
  • abduction of thigh
  • femoral nerve
85
Q

Popliteus function and innervation

A
  • “unlocks extended knee” by medially rotating leg (tibia) or laterally rotating femur
  • flex at knee
  • tibial nerve
86
Q

Gastrocnemius function and innervation

A
  • flex knee
  • plantar flexion
  • tibial nerve
87
Q

Quadriceps femoris function and innervation

A
  • they ALL extend the knee
  • only the rectus femoris also flexes the thigh
  • femoral nerve
88
Q

Gluteus maximus function and innervation

A
  • lateral rotation of leg and knee
  • extend thigh at hip
  • inferior gluteal nerve
89
Q

Tensor fasciae latae function and innervation

A
  • flex hip
  • abduct thigh
  • medially rotate thigh
  • laterally rotate leg
  • superior gluteal nerve
90
Q

Adductor magnus function and innervation

A
  • adduct thigh
  • extend thigh
  • obturator nerve
91
Q

Adductor longus function and innervation

A
  • flexion of thigh
  • adduct thigh
  • obturator nerve
92
Q

Adductor brevis function and innervation

A
  • flexion of thigh
  • adduction of thigh
  • obturator nerve
93
Q

Pectineus function and innervation

A
  • flexion of thigh

- adduction of thigh

94
Q

Gluteus medius functoin and innervation

A
  • abduction of thigh
  • medial rotation of thigh
  • superior gluteal nerve
95
Q

Gluteus minimus function and innervation

A
  • abduction of thigh
  • medial rotation of thigh
  • superior gluteal nerve

Anatomy Exam 2 (9 decks)

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