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Anatomy Lab > Quiz 5 (Anterior muscles) > Flashcards

Quiz 5 (Anterior muscles) Flashcards

1
Q

Skeletal muscle tissue

A

multinucleate
striated
parallel fibers
voluntary

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2
Q

smooth muscle tissue

A

uninucleate
unstriated
spindle-shaped fibers
involuntary

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3
Q

cardiac muscle

A

uninucleate
striated
branched fibers
cells are connected through intercalated disks

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4
Q

Epicranius + innervation (all structures involved)

A

Frontalis
Occipitalis
Galea aponeurotica
Facial nerve (CN7)

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5
Q

Muscle around the eye

A

Orbicularis oculi

Facial nerve

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6
Q

O: maxilla and nasal cartilage
I: Bridge of the nose

A

nasalis

facial nerve

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7
Q

kissing muscle, around mouth

A

orbicularis oris

facial nerve

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8
Q

O: zygomatic bone and infraorbital margin of maxilla
I: Orbicularis oris
laterally adjacent to nose

A

levator labii superioris

facial nerve

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9
Q

Lateral smiling muscle

A

zygomaticus major

facial nerve

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10
Q

Medial smiling muscle

A

zygomaticus minor

facial nerve

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11
Q

Grinning muscle, ribbon like

A

Risorius

Facial nerve

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12
Q

Blowing muscle

Deep, wide muscle to corner of mouth

A

Buccinator

facial nerve

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13
Q

O: anterolateral surface of body of mandible, inferior to incisors
I: Skin and muscle at inferior angle of mouth

A

Depressor anguli oris

Facial nerve

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14
Q

O: body of mandible, lateral to midline
I: skin and muscle of lower lip

A

Depressor labii inferioris

facial Nerve

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15
Q

Pouting muscle, “men butt”

A

Mentalis

facial nerve

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16
Q

Wide and flat like the ‘plat’ river, flows down side of neck

A

Platysma

facial nerve

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17
Q

Large deep muscle of the cheek, mastication

A

Masseter

Mandibular branch of the trigeminal nerve (CN 5)

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18
Q

Side of head, covers temporal and parietal bone

A

Temporalis

Mandibular branch of the trigeminal nerve (CN 5)

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19
Q

Medial grinding muscle

A

Medial pterygoid

Mandibular branch of the trigeminal nerve (CN 5)

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20
Q

Lateral grinding muscle

A

lateral pterygoid

Mandibular branch of the trigeminal nerve (CN 5)

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21
Q

Looks like loops on hyoid

A

Anterior and posterior bellies of Digastric
Anterior belly-Mandibular branch of the trigeminal nerve (CN 5)
Posterior belly: Facial nerve (CN7)

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22
Q

O: styloid process of temporal bone
I: Hyoid bone
Deep to digastric

A

Stylohyoid

Facial Nerve

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23
Q

O: Medial surface of mandibular symphysis
I: hyoid bone
longitudinalish fibers

A

Geniohyoid

Spinal nerve C1

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24
Q

O: mylohyoid line of mandible
I: byoid bone via midian raphe
large, parallel fibers

A

Mylohyoid

Mandibular branch of the trigeminal nerve (CN 5)

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25
Q

Strap-like muscle with a supeior and inferior bell, united by an intermediate tendon
O: intermediate tendon attached to clavicle and first rib
I: Superior belly-hyoid bone, Inferior belly- superior margin of scapula

A

Omohyoid

Spinal nerves C1-C3 (Ansa Cervicalis)

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26
Q

Long muscle, superficial to sternothyroid
O: manubrium and medial end of clavicle
I: hyoid bone

A

Sternohyoid

Spinal nerves C1-C3 (Ansa Cervicalis)

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27
Q

Deep to sternohyoid
O: posterior surface of manubrium and first costal cartilage
I: thyroid cartilage of larynx

A

Sternothyroid

Spinal nerves C1-C3 (Ansa Cervicalis)

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28
Q

Short muscle superior to sternothyroid
O: thyroid cartilage
I: hyoid bone

A

Thyrohyoid

cervical spinal nerves C1 and C2 via hypoglossal nerve (CN XII)

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29
Q

Small muscle, fibers look like ‘V’, inferior portion of thyroid cartilage
O: cricoid cartilage
I: thyroid cartilage

A 
Cricothyroid
Vagus Nerve (CNX)
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30
Q

External oblique

A

superficial

if two sides are together the fibers would form a V

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31
Q

Internal oblique

A

1 deep

if two sides are together the fibers would form a ^

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32
Q

Transverse abdominis

A 
Deepest
transverse fibers (belt)
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33
Q

Six pack muscles

A

Rectus abdominis

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34
Q

Line down the middle of the rectus abdominis

A

linea alba

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35
Q

Sheath of connective tissue over rectus abdominis

A

rectus sheath

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36
Q

O,I,A,N: Pectoralis major (2 parts)

A

O: Clavicular head - clavicle, Sternocostal head - sternum and costal cartilages 2-6
I: greater tubercle of humerus
A: primer mover of arm flexion; adduction and medial rotation of arm
N: Medial and lateral pectoral nerves

37
Q

O,I,A,N: Deltoid

A

O: spine and acromion process of scapula, lateral 1/3 of clavicle
I: Deltoid tuberosity of humerus
A: Primer mover of arm abduction; synergist in flexion, extension of arm
N: axillary nerve

38
Q

O,I,A,N: Coracobrachialis

A

O: coracoid process of scapula
I: mid-medial shaft of humerus
A: arm flexion and adduction
N: Musculocuaneus nerve

39
Q

O,I,N: Serratus anterior (boxers muscle)

A

O: ribs 1-8 or 9
I: Vertebral border of scapula (ventral surface)
N: long thoracic nerve

40
Q

O,I,N: Pectoralis minor

A

O: ribs 3-5 (ventral surface)
I: coracoid process of scapula
N: Medial pectoral nerve

41
Q

O,I,A,N: Biceps brachii (long and short heads)

A

O: Long head - supraglenoid tubercle of scapula, Short - Coracoid process of scapula
I: Radial tuberosity
A: Major forarm flexor: subinates forearm: weak flexor of arm
N: Musculocutaneous nerve

42
Q

O,I,A,N: Brachialis

A

O: Anterior, distal surface of humerus
I: coronoid process and tuberosity of ulna
A: major forearm flexor
N: musculocutaneous nerve

43
Q

O,I,A,N: Brachioradialis

A

O: Lateral epicondyle of humerus
I: styloid process of radius
A: Forearm flexion
N: radial nerve

44
Q

Muscles of the forearm in order (9)

A 
Extensor carpi radialis longus
Extensor carpi radialis brevis
abductor pollicis longus
extensor pollicis brevis
extensor pollicis longus
extensor indicis
extensor digitorum
extensor digiti minimi
extensor carpi ulnaris
45
Q

Name of ‘wrist band’ of dense facia holding tendons in place

A

Extensor retinaculum

46
Q

Pronators/supinators with nerves (3)

A

Supinator - radial nerve
Pronator teres - median nerve
pronator quadratus - Median nerve

47
Q

Muscles of the forearm (I): base of meta carpal 2

A

Extensor carpi radialis longus

48
Q

Muscles of the forearm (I): base of metacarpal 3

A

extensor carpi radialis brevis

49
Q

Muscles of the forearm (I): lateral margin of metacarpal 1

A

abductor pollicis longus

50
Q

Muscles of the forearm (I): base of proximal phalanx of pollex

A

extensor pollicis brevis

51
Q

Muscles of the forearm (I): base of distal phalanx of pollex

A

extensor pollicis longus

52
Q

Muscles of the forearm (I): distal phalanx of digit 2

A

extensor indicis

53
Q

Muscles of the forearm (I): posterior surface of distal phalanges 2-5

A

extensor digitorum

54
Q

Muscles of the forearm (I): posterior surface of proximal phalanx of 5th finger (with tendon of extensor digitorum)

A

extensor digiti minimi

55
Q

Muscles of the forearm (I): base of metacarpal 5

A

extensor carpi ulnaris

56
Q

Innervation of all the extensor muscles of the forearm

A

radial nerve

57
Q

Iliopsoas

A

combination of iliacus and psoas major after passing under the inguinal ligament

58
Q

M, O, I, A, N: Fan like muscle of iliopsoas

A 
Iliacus
iliac fossa of the os coxa
lesser trochanter of femur
prime flexor of thigh, postural muscle
femoral nerve
59
Q

M, O, I, A, N: Longer of the two iliopsoas, does not orginate on the pelvis

A 
psoas major
vertebrae T12-L5
lesser trochanter of femur
prim flexor of thigh, postural muscle
spinal nerves L1-L3
60
Q

M, O, I, A, N: tailors muscle, diagonal strap across anterior of thigh

A

Sartorius
anterior superior iliac spine
medial proximal tibial shaft (near tibial tuberosity)
flexion and lateral rotation of thigh: flexion of lower leg
femoral nerve

61
Q

Muscles of the anterior compartment of the thigh

A

quadriceps femoris
patellar ligament
tensor fasciae latae
iliotibial tract

62
Q

Muscles of the medial compartment of the thigh

A

pectineus
gracilis
adductor longus
adductor magnus

63
Q

Quadraceps femoris muscles

A

rectus femoris
vastus lateralis
vastus medialis
vastus intermedius

64
Q

M, O, I, A, N: medial superficial muscle of quad

A

rectus femoris
anterior inferior iliac spine and superior margin of acetabulum
patella and tibial tuberosity via patellar ligament
thigh flexion, lower leg extension
femoral nerve

65
Q

M, O, I, A, N: lateral muscle of quad

A

vastus lateralis
anterior and inferior boarder of greater trochanter and linea aspera of femur
patella and tibial tuberocity via patellar ligament
lower leg extension and stabilizes patella
femoral nerve

66
Q

M, O, I, A, N: medial muscle of the quad

A

vastus medialis
linea aspera of femur
patella and tibial tuberosity via patellar ligament
lower leg extension and stabilizes patella
femoral nerve

67
Q

M, O, I, A, N: deep muscle of quad

A 
vastus intermedius
proximal anterolateral femoral shaft
patella and tibial tuberosity via patellar ligament
lower leg extension
femoral nerve
68
Q

O, I: patellar ligament

A

patella

tibial tuberosity

69
Q

M, O, I, A, N: superiolateral muscle of thigh, rather short

A 
tensor fasciae latae
anterior aspect of iliac crest and anterior superior iliac spine
iliotibial tract
abduction and flexion of thigh
superior gluteal nerve
70
Q

connective tissue strap down lateral side of thigh

A

iliotibial tract

71
Q

M, O, I, A, N: superior muscle medial to femoral nerves/blood vessels on model

A 
Pectineus
pubis of os coxa
pectinial line of femur, inferior to lesser trochanter
adduction and flexion of thigh
femoral nerve
72
Q

M, O, I, A, N: most superficial of the medial strap like muscles of the thigh

A 
Gracilis
ramus and body of pubis
medial proximal tibial shaft
adducts thigh; flexes and medially rotates leg
Obturator nerve (L2 and L3)
73
Q

M, O, I, A, N: Medial “fatter” strap to pectineus

A

adductor longus
inferior ramus of pubis (anterior to brevis)
linea aspera of femur
adduction and medial rotation of thigh (when thigh flexed)
Obturator nerve and sciatic nerve (tibial division)

74
Q

M, O, I, A, N: Largest most posterior muscles of the medial cavity

A

Adductor magnus
ischial and pubic rami and ischial tuberosity
linea aspera of femur
extension, adduction, and medial rotation of thigh (when thigh is flexed)
obturator nerve and sciatic nerve (tibial division)

75
Q

Muscles of the anterior compartment of the lower limb (5)

A 
tibialis anterior
extensor hallucis longus
extensor digitorum longus
peroneus tertius
extensor retinaculum (superior and inferior)
76
Q

M, N: medial cuneiform and metatarsal 1, large muscle of the front of the tibia

A

tibialis anterior

deep peroneal nerve

77
Q

M, N: distal phalanx 1 (foot)

A

extensor hallucis longus

deep peroneal nerve

78
Q

M, N: middle and distal phalanges of digits 2-5 (foot)

A

extensor digitorum longus

deep peroneal nerve

79
Q

M, N: dorsum of metatarsal 5 (fused with extensor digitorum longus-often considered it’s fifth tendon)

A

peroneus tertius

deep peroneal nerve

80
Q

Two extensor retinaculum

A

superior and inferior (two separate structures)

81
Q

muscles of the lateral compartment of the lower limb

A

peroneus longus (fibularis longus)
peroneus brevis
peroneal retinaculum

82
Q

M, N: superficial muscle on the lateral aspect of the lower limb

A 
peroneus longus (fibularis longus)
superficial peroneal nerve
83
Q

M, N: deep muscle on the lateral aspect of the lower limb

A

peroneus brevis

superficial peroneal nerve

84
Q

holds the peroneus longus and brevis in place

A

peroneal retinaculum

85
Q

Classes of levers

A

1st
2nd
3rd

86
Q

describe first class lever

A

fulcrum is in middle, resistance is pushed down on one side and the load/applied force is pushed down on the other side
very few in human body (ex. atlanto-occipital joint)

87
Q

describe second class lever

A

fulcrum is at one end, resistances is pushed down on in the middle, the load/applied force is transfered up on the opposite end as the fulcrum
magnifies force at expense of distance and speed
(ex. achilles tendon, standing on tip toes. meta tarsophalangeal joint)

88
Q

describe third class lever

A

fulcrum is at one end, resistance is pushed down on opposite end as fulcrum and load/applied force is pushed up from the middle
most common found in human body
(ex. biceps brachii at humeroulnar joint)

Anatomy Lab (12 decks)

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