Quiz 5 (Anterior muscles) Flashcards Preview

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Flashcards in Quiz 5 (Anterior muscles) Deck (88):
1

Skeletal muscle tissue

multinucleate
striated
parallel fibers
voluntary

2

smooth muscle tissue

uninucleate
unstriated
spindle-shaped fibers
involuntary

3

cardiac muscle

uninucleate
striated
branched fibers
cells are connected through intercalated disks

4

Epicranius + innervation (all structures involved)

Frontalis
Occipitalis
Galea aponeurotica
Facial nerve (CN7)

5

Muscle around the eye

Orbicularis oculi
Facial nerve

6

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

nasalis
facial nerve

7

kissing muscle, around mouth

orbicularis oris
facial nerve

8

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

levator labii superioris
facial nerve

9

Lateral smiling muscle

zygomaticus major
facial nerve

10

Medial smiling muscle

zygomaticus minor
facial nerve

11

Grinning muscle, ribbon like

Risorius
Facial nerve

12

Blowing muscle
Deep, wide muscle to corner of mouth

Buccinator
facial nerve

13

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

Depressor anguli oris
Facial nerve

14

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

Depressor labii inferioris
facial Nerve

15

Pouting muscle, "men butt"

Mentalis
facial nerve

16

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

Platysma
facial nerve

17

Large deep muscle of the cheek, mastication

Masseter
Mandibular branch of the trigeminal nerve (CN 5)

18

Side of head, covers temporal and parietal bone

Temporalis
Mandibular branch of the trigeminal nerve (CN 5)

19

Medial grinding muscle

Medial pterygoid
Mandibular branch of the trigeminal nerve (CN 5)

20

Lateral grinding muscle

lateral pterygoid
Mandibular branch of the trigeminal nerve (CN 5)

21

Looks like loops on hyoid

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

22

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

Stylohyoid
Facial Nerve

23

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

Geniohyoid
Spinal nerve C1

24

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

Mylohyoid
Mandibular branch of the trigeminal nerve (CN 5)

25

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

Omohyoid
Spinal nerves C1-C3 (Ansa Cervicalis)

26

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

Sternohyoid
Spinal nerves C1-C3 (Ansa Cervicalis)

27

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

Sternothyroid
Spinal nerves C1-C3 (Ansa Cervicalis)

28

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

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

29

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

Cricothyroid
Vagus Nerve (CNX)

30

External oblique

superficial
if two sides are together the fibers would form a V

31

Internal oblique

1 deep
if two sides are together the fibers would form a ^

32

Transverse abdominis

Deepest
transverse fibers (belt)

33

Six pack muscles

Rectus abdominis

34

Line down the middle of the rectus abdominis

linea alba

35

Sheath of connective tissue over rectus abdominis

rectus sheath

36

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

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

O,I,A,N: Deltoid

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

O,I,A,N: Coracobrachialis

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

39

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

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

40

O,I,N: Pectoralis minor

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

41

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

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

O,I,A,N: Brachialis

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

43

O,I,A,N: Brachioradialis

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

44

Muscles of the forearm in order (9)

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

Name of 'wrist band' of dense facia holding tendons in place

Extensor retinaculum

46

Pronators/supinators with nerves (3)

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

47

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

Extensor carpi radialis longus

48

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

extensor carpi radialis brevis

49

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

abductor pollicis longus

50

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

extensor pollicis brevis

51

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

extensor pollicis longus

52

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

extensor indicis

53

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

extensor digitorum

54

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

extensor digiti minimi

55

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

extensor carpi ulnaris

56

Innervation of all the extensor muscles of the forearm

radial nerve

57

Iliopsoas

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

58

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

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

59

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

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

60

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

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

Muscles of the anterior compartment of the thigh

quadriceps femoris
patellar ligament
tensor fasciae latae
iliotibial tract

62

Muscles of the medial compartment of the thigh

pectineus
gracilis
adductor longus
adductor magnus

63

Quadraceps femoris muscles

rectus femoris
vastus lateralis
vastus medialis
vastus intermedius

64

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

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

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

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

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

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

67

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

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

68

O, I: patellar ligament

patella
tibial tuberosity

69

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

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

70

connective tissue strap down lateral side of thigh

iliotibial tract

71

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

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

72

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

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

73

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

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

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

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

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

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

76

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

tibialis anterior
deep peroneal nerve

77

M, N: distal phalanx 1 (foot)

extensor hallucis longus
deep peroneal nerve

78

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

extensor digitorum longus
deep peroneal nerve

79

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

peroneus tertius
deep peroneal nerve

80

Two extensor retinaculum

superior and inferior (two separate structures)

81

muscles of the lateral compartment of the lower limb

peroneus longus (fibularis longus)
peroneus brevis
peroneal retinaculum

82

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

peroneus longus (fibularis longus)
superficial peroneal nerve

83

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

peroneus brevis
superficial peroneal nerve

84

holds the peroneus longus and brevis in place

peroneal retinaculum

85

Classes of levers

1st
2nd
3rd

86

describe first class lever

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

describe second class lever

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

describe third class lever

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)