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Anatomy Exam 2 > Muscles Quiz > Flashcards

Muscles Quiz Flashcards

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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
Muscles involved with abduction of the arm at shoulder
- deltoid | - supraspinatous
26
Muscles involved with adduction of the arm at shoulder
- pectoralis major - latissimus dorsi - teres major
27
Muscles involved with lateral rotation of arm at shoulder
- deltoid - infraspinatus - teres minor
28
Muscules involved with medial rotation of arm at shoulder
- pectoralis major - latissimus dorsi - deltoid - teres major - subscapularis
29
Which muscles flex the thumb. Be sure to list which joints they flex at and their innervations.
- 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
30
Which muscles extend the thumb. List the joints they act at, their innervations, and segments.
- 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)
31
Which muscles abduct the thumb? Which joints do they act at and what are their innervations?
- abductor pollicis longus: CM only; posterior interosseous n; 7,8 - abductor pollicis brevis: CM and MP; recurrent branch of median n; 6-1
32
Which muscles adduct the thumb? Which joints do they act at and what is the innervation?
-adductor pollicis: CM and MP; ulnar n (deep branch); 8,1
33
Which muscles are responsible for opposition and medial rotation of the thumb? Give the innervation and segments.
-opponens pollicis; recurrent branch of median n; 6-1
34
Function and innervation of flexor pollicis longus
- flexes at all joints: wrist, CM, MP, IP** | - anterior interosseous n branch of median nerve
35
Function and innervation of flexor pollicis brevis
- flex thumb at MP and CM | - median recurrent branch
36
function and innervation of opponens pollicis
- flex at CM - oppose and medially rotate thumb - recurrent branch of median nerve
37
Function and innervation of extensor pollicis longus and brevis
- longus: extend wrist, CM, MP, and IP; posterior interosseous nerve - brevis: extend CM and MP; posterior interosseous nerve
38
Function and innervation of abductor pollicis longus
- extends and abducts at CM joint only - abducts wrist - posterior interosseous nerve
39
Function and innervation of abductor pollicis brevis
- extends IP joint - abducts at CM and MP joints - recurrent branch of median nerve
40
Function and innervation of adductor pollicis
- adducts thumb at CM and MP joints | - deep branch of ulnar nerve
41
Flexor carpi ulnaris function and innervation
- flex wrist, adduct (ulnar deviation) of wrist | - ulnar n
42
Flexor carpi radialis function and innervation
-flex wrist, abduct wrist (radial deviation)
43
Flexor digitorum profundas function and innervation
- flex wrist, and all joints of fingers including DIP of all fingers, not thumb - lateral half: anterior interosseous n - medial half: ulnar nerve
44
Flexor digitorum superficialis function and innervation
- flex wrist, MP and PIP of all fingers | - median nerve
45
Function and innervation of palmaris longus
- flex wrist | - median nerve
46
Function and innervation of extensor carpi ulnaris
- extend wrist, adduct wrist | - posterior interosseous nerve
47
Function and innervation of extensor carpi radialis longus
- extend wrist, abduction of wrist | - posterior interosseous n
48
Function and innervation of extensor carpi radialis brevis
- extend wrist, abduct wrist | - posterior interosseous nerve
49
Function and innervation of extensor digitorum
- extend wrist, extend MP joint of fingers 2-4 | - posterior interosseous nerve
50
Function and innervation of extensor digiti minimu
- extend wrist, extend little finger at MP joint | - posterior interosseous nerve
51
Function and innervation of extensor pollicis longus
- extend wrist - extend thumb at CM, MP, and IP joints - posterior interosseous nerve
52
Function and innervation of extensor indicis
- extend wrist | - extend index finger at MP joint
53
Function and innervation of abductor pollicis longus
- abduct wrist - abduct thumb at CM - posterior interosseous nerve
54
Function and innervation of flexor carpi ulnaris
- flex wrist - adduction of wrist - ulnar nerve
55
List the muscles that act to flex the wrist.
- flexor carpi ulnar - flexor carpi radialis - flexor digitorum profundas - flexor digitorum superficialis - flexor pollicis longus - palmaris longus
56
List the muscles that act the extend the wrist
- extensor carpi ulnar - extensor carpi radialis longus - extensor carpi radialis brevis - extensor digitorum - extensor digiti minimi - extensor pollicis longus - extensor indicis
57
List the muscles that act to abduct the wrist
- extensor carpi radialis longus - extensor carpis radialis brevis - flexor carpi radialis - abductor pollicis longus
58
List the muscles that act to adduct the wrist
- flexor carpi ulnaris | - extensor carpi ulnaris
59
Function and innervation of lumbricals
- flex MP - extend IP joints of all fingers - lateral 2: median nerve - medial 2: ulnar nerve
60
Function and innervation of flexor digiti minimi brevis
- flex CM and MP of little finger | - ulnar n
61
Function and innervation of opponens digiti minimi
- flex CM of little finger - opposition at CM of little finger - ulnar nerve
62
List the muscles that extend the FINGERS at MP joints
- extensor digitorum (2-4) - extensor indicis (2) - extensor digiti minimi (5)
63
What muscles extend the IP joints of fingers?
- lumbricals | - the extensor digitorum is not strong enough
64
What muscles are responsible for abduction of fingers at MP joints?
- dorsal interossei | - abductor digiti minimi
65
What muscles are responsible for adduction of fingers at MP joints?
- palmar interossei for 2,4,5 | - dorsal interossei for middle finger
66
Muscles involved with flexion at elbow joint
- brachialis - biceps brachii - brachioradialis - flexor carpi radialis - pronator teres
67
Muscles involved with extension at elbow joint
- triceps | - anconeous
68
Muscles involved with pronation of forearm
- pronator teres | - pronator quadratus
69
Muscles involved with supination of forearm
- supinator - biceps brachii - brachioradialis
70
Muscles involved with flexion of knee
- semimembranosus - semitendinosus - biceps femoris long and short head - gracilis - sartorius - popliteus - gastrocnemius
71
Muscles involved with extension of knee
-quadriceps femoris
72
Muscles involved with lateral rotation of leg
- gluteus maximus - biceps femoris - TFL
73
Muscles involved with medial rotation of leg
- popliteus - semimembranosus - semitendinosus - gracilis - sartorius
74
muscles involved with flexion of hip joint
- iliacus and psoas major - rectus femoris - sartorius - TFL - pectineus - adductor longus and brevis
75
Muscles involved with extension of hip joint
- gluteus maximus - semimembranosus - semitendinosus - biceps femoruis long head - adductor magnus
76
Muscles involved with adduction of hip joint
- adductors longus, brevis, magnus - gracilis - pectineus
77
Muscles involved with abduction of hip joint
- gluteus medium and minimus | - TFL
78
Muscles involved with medial rotation of hip joint
- gluteus minimus - gluteus medius - TFL
79
Muscles involved with lateral rotation of hip joint
- gluteus maximus - sartorius - deep lateral rotators of gluteal region - obturator externus
80
Innervation and function of semimembranosus
- flexion of knee - medial rotation of leg - extension of hip/thigh - tibial nerve
81
Innervation and function of semitendinosus
- flexion of knee - medial rotation of leg - extension of thigh - tibial nerve
82
Biceps femoris head functions and innervation
- shorthead: flexion of knee, lateral rotation of leg, common fibular nerve - long head: extend thigh, flex knee, lateral rotation of leg; tibial nerve
83
Gracilis function and innervation
- flex knee - medially rotate leg - adduction of thigh - obturator nerve
84
Sartorius function and innervation
- flex knee - medial rotation of leg - flexion of thigh - lateral rotation of thigh at hip - abduction of thigh - femoral nerve
85
Popliteus function and innervation
- "unlocks extended knee" by medially rotating leg (tibia) or laterally rotating femur - flex at knee - tibial nerve
86
Gastrocnemius function and innervation
- flex knee - plantar flexion - tibial nerve
87
Quadriceps femoris function and innervation
- they ALL extend the knee - only the rectus femoris also flexes the thigh - femoral nerve
88
Gluteus maximus function and innervation
- lateral rotation of leg and knee - extend thigh at hip - inferior gluteal nerve
89
Tensor fasciae latae function and innervation
- flex hip - abduct thigh - medially rotate thigh - laterally rotate leg - superior gluteal nerve
90
Adductor magnus function and innervation
- adduct thigh - extend thigh - obturator nerve
91
Adductor longus function and innervation
- flexion of thigh - adduct thigh - obturator nerve
92
Adductor brevis function and innervation
- flexion of thigh - adduction of thigh - obturator nerve
93
Pectineus function and innervation
- flexion of thigh | - adduction of thigh
94
Gluteus medius functoin and innervation
- abduction of thigh - medial rotation of thigh - superior gluteal nerve
95
Gluteus minimus function and innervation
- abduction of thigh - medial rotation of thigh - superior gluteal nerve

Anatomy Exam 2 (9 decks)

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