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Muscles Flashcards

(85 cards)

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1
Q

Muscles of facial expression

A

provide ability to express empotions

move skin instead of joint

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2
Q

Extrinsic eye muscle

A

originate outside the eyeballs

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3
Q

muscles that move mandible

A

temporalis
masseter
medial pterygoid
lateral pterygoind

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4
Q

masseter

A 
angle of ramus of mandible
elevates mandible (closing mouth)
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5
Q

temporalis

A

coronoid process and ramus of mandible

elevates and retracts

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6
Q

medial pterygoid

A

angle and ramus of mandible

elevates and protracts and moves mandible from side to side

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7
Q

lateral pterygoid

A

condyle of mandible TMJ joint

protracts, depresses and moves from side to side

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8
Q

muscles that move tongue

A

intrinsic

extrinsic

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9
Q

Intrinsic tongue muscle

A

alter shape of the tongue rather

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10
Q

extrinsic

A

moves entire tongue in various directions

anteriorly, posteriorly, and laterally

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11
Q

Anterior neck muscles

swallowing/ speech

A

suprahyoid

infrahyoid

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12
Q

Suprahyoid

A

superior to the hyoid bone

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13
Q

infrahyoid

A

inferior to the hyoid bone

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14
Q

Muscles of neck that move head

A

sternocleidomastoid
semispinalis capitis
splenius capitis
longissimus capitis

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15
Q

Sternocleidomastoid

A

mastoid process of temporal bon
flex cervical portion of vertebral column
flex head at atlanto occipital
laterally rotate and flex head to opposite side of contracting muscle

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16
Q

semispinalis capitis

A

occipital bone
extend head
rotate head to side opposite contracting muscle

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17
Q

splenius capitis

A

occipital bone and mastoid process of temporal bone
extend head
rotate head to side opposite contracting muscle

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18
Q

longissimus capitis

A

mastoid process of temporal bone
entend head
laterally flex and rotate head to same side as contracting muscle

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19
Q

Abdominal muscles

A

external oblique
internal oblique
transversus abdominis
rectus abdominis

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20
Q

External/ Internal oblique

A 
Iliac crest
compress abdomen and flex vertebral column
laterally flex vertebral column
lumbar portion
Internal 
cartilage of ribs 7-10
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21
Q

transversus abdominis

A

xiphoid process and pubis

compresses abdomen

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22
Q

rectus abdominis

A

cartilage 5-7
flexes vertebral column
lumbar portion
forced exhalation

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23
Q

Muscles of inspiration

A 
diaphragm
external intercostals
sternoidcleidomastoid
scalenes
pectoralis minor
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24
Q

diaphragm

A

central tendon
contraction of the diaphragm causes it to flatten and increse thoracic cavity resulting in inhalation
relaxation causes it to move superiorly and decreses vertical dimension of thoracic cavity resulting in exhalation

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25
external intercostals
superior border of rib contraction elevates the ribs and increases anteroposterior dimension of the thoracic cavity (inhalation) relaxation depresses the ribs exhalation
26
Muscles of expiration
internal intercostals | abdominals
27
internal intercostals
inferior border of rib contraction draws adjacent ribs together to futher decrease the anteroposterior and lateral dimensions of the thoracic cavity during forced exhalation
28
Anterior Muscles of thorax that move pectoral girdle
subclavius pectoralis minor serratus anterior
29
Posterior group
trapezius lavator scapulae rhomboid major/minor
30
Subclavius
clavicle | depresses and moves clavicle anteriorly and helps stabalize pectoral girdle
31
pectoralis minor
coracoid process of scapula | abducts scapula and rotates it downward
32
serratus anterior
vertebral border and inferior angle of scapula | abducts scapula and rotates it upward
33
Trapezius
clavicle and acromion and spine of scapula superior fibers upward rotates scapula adduct scapula depress
34
lavator scapulae
superior vertebral border of scapula | elevates scapula and rotates it downward
35
rhomboid
Major-vertebral border of scapula inferior to spine elevates and adducts scapula and rotates it downward minor-vertebral border of scapula superior to spine elevates and adducts scapula and rotates it downward
36
Axial muscles of thorax and should that move humerus
pectoralis major | latissimus dorsi
37
Pectoralis major
adducts and medially rotates arm at should joint
38
latissimus dorsi
greater tubercle and lateral lip of the intertubercular sulcus of humerus extends,abducts, and medially rotates arm at shoulder joint draws arm inferiorly and posteriorly
39
muscles of thorax and should that move humerus | Scapular
deltoid teres major coracobrachialis
40
deltoid
deltoid tuberosity of humerus abducts arm flex and medially rotate arm extend and laterally rotate arm
41
teres major
medial lip of inter tubercular sulcus of humerus extends arm adduction and medial rotation
42
coracobrachialis
middle of medial surface of shaft of humerus | flexes and adducts arm at shoulder joint
43
Rotator cuff (SITS)
supraspinatus infraspinatus teres minor subscapularis
44
supraspinatus
greater tubercle of humerus | assists deltoid muscle in abducting arm
45
infraspinatus
greater tubercle | laterally rotates arm
46
teres minor
greater tubercle | laterally rotates and extends arm
47
subscapularis
lesser tubercle | medially rotates arm
48
muscles of the arm that move the radius and ulna | flexors
biceps brachii brachialis brachioradialis
49
biceps brachii
radial tuberosity of radius and bicipital flexes forearm at elbow joint supinates forearm at radioulnar and flexes arm at shoulder
50
brachialis
ulnar tuberosity and coronoid process of ulna | flexes forearm at elbow
51
brachioradialis
superior to styloid process of radius felexes forearm at elbow joint supinates and pronates forearm at radioulnar joint
52
muscles of the arm that move the radius and ulna | Extensors
triceps brachii | anconeus
53
triceps brachii
olecranon of ulna | extends forearm at elbow joint and shoulder joint
54
anconeus
olecranon and superior portion of shaft of ulna | extends forearm at elbow joint
55
muscles of the arm that move the radius and ulna | pronator
pronator teres | pronantor quadratus
56
pronator teres
midlateral surface of radius | pronates forearm at radioulnar and flexes forearm at elbow joint
57
pronantor quadratus
distal portion of shaft of radius | pronates forearm at radioulnar joint
58
muscles of the arm that move the radius and ulna | supinator
lateral surface of proximal one third of radius | supinates forearm at radioulnar joint
59
Muscles of forearm | flexors
``` superficial flexors writst originate on medial epicondyle deep flexors- originate on radius and ulna fingers ```
60
Extensors
superficial originate on lateral epicondyle | deep originate on radius or ulna
61
intrinsic muscles of the hand
``` thenar group (move thumb) intermediate group flex ab/ad fingers hypothenar move 5th digit ```
62
Muscles of neck and back that move spine
``` splenius erector spinate muscles transversospinales segmental scalenes ```
63
muscles of pelvis that move femus
``` Iliopsoas gluteals tensor fasciae latae piriformis deep lateral rotators ```
64
Muscles of thigh | Adductors medial
Adductors longus, brevis, ,magnus Pectinus Gracilus
65
Muscles of thigh | Pectinus
line of femur between lesser trochanter and linea aspera | flexes and adducts thigh at hip joint
66
Muscles of thigh | Gracilus
medial surface of body of tibia adducts thigh at hip joint medially rotates thigh and flexes leg at knee joint
67
Muscles of thigh | Extendors Anterior
``` Quadriceps rectus femoris-flexes thigh at hip joint vastus lateralis vastus intermediate vastus medialis extend leg at knee ```
68
Muscles of thigh | Flexors Posterior
Hamstrings Biceps femoris semitendonosus semimembranosus
69
Muscles of thigh | Biceps femoris
head of fibula and later condyle of tibia | flexes leg at knee and extends thigh at hip
70
Muscles of thigh | semitendonosus
proximal part of medial surface of shaft of tibia | flexes leg at knee and extends thigh at hip
71
Muscles of thigh | semimembranosus
medial condyle of tibia | flexes leg at knee and extends thigh at hip
72
Muscles of leg that move foot/ankle | Anterior compartment
Tibialis anterior extensor hallucis longus extensor digitorum longus fibularis (peroneus) tertitus
73
Muscles of leg that move foot/ankle Anterior compartment Tibialis anterior
1st metatarsal | dorsifelxion foot at ankle and inverts foot at interatarsals
74
Muscles of leg that move foot/ankle Anterior compartment extensor hallucis longus
distal phalanx of great toe | dorsiflexes foot at ankle and extends proximal phalanx of great toe at metatarsophalangeal
75
Muscles of leg that move foot/ankle Anterior compartment extensor digitorum longus
middle and distal phalanges of toes 2-5 dorsiflexes foot at ankle and extends distal and middle phalanges of each toe at interphalangeal and proximal phalanx of each toe at metatarsophalangeal
76
Muscles of leg that move foot/ankle Anterior compartment fibularis (peroneus) tertitus
base of 5th metatarsal | dorsiflexes foot at ankle and everts (pronates) foot at intertarsal joint
77
Muscles of leg that move foot/ankle | lateral compartment
fibularis (peroneus) longus | fibularis (peroneus) brevis
78
Muscles of leg that move foot/ankle lateral compartment fibularis (peroneus) longus
1st metatarsal and 1st cuneiform | plantar flexes foot at ankle joint and everts foot at intertarsal joint
79
Muscles of leg that move foot/ankle lateral compartment fibularis (peroneus) brevis
base of 5th metatarsal | plantar flexes foot at ankle and everts (pronates) foot at intertarsal
80
Muscles of leg that move foot/ankle | posterior compartment
superficial: gastrocnemius soleus Deep
81
Muscles of leg that move foot/ankle posterior compartment gastrocnemius
calcaneus by way of calcaneal tendon | plantar flexes foot at ankle and flexes leg at knee
82
Muscles of leg that move foot/ankle posterior compartment soleus
calcaneus by way of calcaneal (achilles) tendon | plantar flexes foot at ankle joint
83
Muscles of leg that move foot/ankle posterior compartment Deep
popilteus tibialis posterior flexor digitorum longus flexor hallucis longus
84
Intrinsic muscles of foot
Dorsal group- extends toes | Plantar group- 4 layers does all other movements of toes
85
know the following
pollicis= 1st digit of hand (thumb) digiti minimi= 5th digit of hand or foot Hallucis= 1st digit of foot (big toe)

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