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Appendicular Muscles Flashcards

1
Q

levator scapulae

A

origin: transverse processes of C1-C4; insertion: superior border of scapula
innervation: dorsal scapular
movement: elevates and rotates scapula downward

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2
Q

trapezius

A

origin: superior nuchal line, ligamentum nuchae, spines of cervical vertebrae
insertion: clavicle, acromion, and spine of scapula
innervation: accessory nerve
movement: upward rotation, adduction, and depression of scapula

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3
Q

subclavius

A

origin: rib 1
insertion: clavicle
innervation: subclavian
movement: depression and anterior movement of clavicle

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4
Q

pectoralis minor

A

origin: ribs 2-5ish
insertion: corocoid process
innervation: medial pectoral nerve
movement: abduction and downward rotation of scapula RMA: elevates ribs in forced inhalation if scapula is fixed

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5
Q

serratus anterior

A

origin: ribs 1-8ish
insertion: vertebral border and inferior angle of scapula
innervation: long thoracic nerve
movement: abduction and upward rotation of scapula RMA: elevates ribs when scapula is fixed

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6
Q

deltoid

A

origin: acromial end of clavicle, acromion, spine of scapula
insertion: deltoid tuberosity
innervation: axillary
movement: lateral head: abducts arm, posterior head: extend and laterally rotate, anterior head: flexion and medial rotation

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7
Q

supraspinatus

A

origin: supraspinous fossa
insertion: greater tubercle
innervation: suprascapular
movement: abduction of arm

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8
Q

teres minor

A

origin: lateral border of scapula
insertion: greater tubercle
innervation: axillary
movement: lateral rotation

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9
Q

subscapularis

A

origin: subscapular fossa
insertion: lesser tubercle
innervation: subscapular
movement: medial rotation

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10
Q

infraspinatus

A

origin: infraspinous fossa
insertion: greater tubercle
innervation: suprascapular
movement: lateral rotation

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11
Q

latissimus dorsi

A

origin: spinous processes of T1-L5
insertion: intertubercular sulcus
innervation: thoracodorsal
movement: medial rotation, adduction, extension, lateral rotation

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12
Q

pectoralis major

A

origin: sternal end of clavicle
insertion: greater tubercle
innervation: medial and lateral pectoral
movement: adducts, flexes, and medially rotates arm

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13
Q

biceps brachii

A

insertion: radial tuberosity
origin: supraglenoid tubercle, coracoid process
innervation: musculocutaneous
movement: flexes and supinates arm at elbow

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14
Q

brachialis

A

origin: anterior distal surface of humerus
insertion: ulnar tuberosity and anterior coronoid process
innervation: musculocutaneous
movement: flexes forearm at elbow

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15
Q

brachioradialis

A

origin: lateral epicondlye of humerus
insertion: styloid process of radius
innervation: radial
movement: flexes forearm at elbow

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16
Q

triceps brachii

A

origin: infraglenoid tubercle, posterior body of humerus
insertion: olecranon
innervation: radial
movement: extension of forearm/elbow, adduction of shoulder

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17
Q

flexor carpi ulnaris

A

origin: medial epicondyle/olecranon
insertion: pisiform, hook of hamate, base of metacarpal V
innervation: ulnar
movement: flexes wrist, adducts hand

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18
Q

palmaris longus

A

origin: medial epicondyle of humerus
insertion: palmar aponeuroses/flexor retinaculum
innervation: median
movement: flexes hand, flexes tensor retinaculum

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19
Q

extensor carpi ulnaris

A

origin: lateral epicondyle of humerus
insertion: tubercle on ulnar side of metacarpal V
innervation: radial
movement: extension and adduction of wrist

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20
Q

extensor digitorum

A

extension of wrist, extension and adduction of digits 2-5

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21
Q

extensor pollicis brevis

A

extension of thumb and adduction of wrist

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22
Q

flexor digitorum superficialis

A

flexes wrist, middle and proximal phalanges of digits 2-5

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23
Q

flexor digitorum profundus

A

flexes wrist and distal phalanx for digits 2-5

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24
Q

lumbricals (hand)

A

flexes metacarpophalangeal (MCP) joint, extends proximal and distal interphalangeal (IP) joints

25
palmar interosseous
adduction at MCP joint and flexion at MCP joints, and extension at IP joints
26
dorsal interosseous (hand)
abduction at MCP join and flexion of MCP joints, extension of IP joints
27
thenar
abductor pollicis brevis, opponens pollicis, adductor pollicis, flexor pollicis brevis
28
hypothenar
abductor digiti minimi, opponens digiti minimi, flexor digiti minimi brevis
29
intermediate
lumbricals, palmar and dorsal interosseous
30
gluteus maximus
origin: posterior gluteal surface of ilium insertion: gluteal tuberosity innervation: inferior gluteal movement: abduction, extension, lateral rotation
31
gluteus medius
origin: gluteal surface of ilium insertion: greater trochanter of femur innervation: superior gluteal movement: abduction, lateral and medial rotation of thigh (depends of poterior or anterior position)
32
gluteus minimus
origin: gluteal region of ilium insertion: greater trochanter of femur innervation: superior gluteal movement: abduction and lateral and medial rotation of thigh
33
piriformis
origin: anterior sacrum insertion: greater trochanter innervation: spinal nerves movement: abduction, lateral rotation, extension at hip
34
gracilis
origin: lower half of pubic symphysis insertion: medial surface of superior shaft of tibia innervation: obturator movement: adduction of thigh, flexes leg at knee, and medial rotation
35
sartorius
origin: anterior iliac spine insertion: medial shaft of tendon that connects to patella innervation: femoral movement: flexion, abduction, and lateral rotation of thigh; flexion and medial rotation of leg at knee
36
iliopsoas
origin: transverse processes of lumbar vertebrae, iliac fossa insertion: lesser trochanter of femur innervation: femoral/spinal movement: lateral rotation, flexion of thigh, flexion of trunk
37
tensor fasciae latae
origin: superior iliac spine insertion: IT tract innervation: superior gluteal nerve movement: tenses fascia lata, abducts and medially rotates thigh
38
iliotibial tract (IT band)
thickening of deep fascia, continuation of tensor fasciae latae
39
adductor magnus
origin: ischial tuberosity/inferior ramus of pubis/ischium insertion: medial condyle of femur innervation: obturator movement: adducts, rotates medially thigh
40
adductor longus
origin: anterior pubis insertion: linea aspera innervation: obturator and sciatic movement: adduction and medial rotation of thigh
41
adductor brevis
origin: superior and inferior rami of sacrum insertion: linea aspera innervation: obturator and sciatic movement: adduction and medial rotation of thigh
42
biceps femoris
origin: (long head) ischial tuberosity (short head) linea aspera insertion: lateral head of fibula innervation: (long head) tibial (short head) common fibular movement: extension of thigh at hip, flexes leg, lateral rotation of leg
43
semitendinosus
origin: ischial tuberosity insertion: medial and superior shaft of tibia innervation: tibial movement: flexion and medial rotation of leg
44
semimembranosus
origin: ischial tuberosity insertion: medial condyle of tibia innervation: tibial movement: flexion and medial rotation of leg
45
sartorius
origin: iliac spine insertion: shaft of tibia innervation: femoral movement: abduction, flexion, lateral rotation at hip and thigh, medial rotation at knee
46
rectus femoris
origin: iliac spine insertion: tibial tuberosity innervation: femoral movement: hip flexion, extension of leg at knee
47
vastus intermedius
origin: anterior and lateral surfaces of femur insertion: tibial tuberosity innervation: femoral movement: extension of leg at the knee
48
vastus lateralis
origin: greater trochanter of femur and upper lateral surface of linea aspera insertion: patella via quadriceps tendon innervation: femoral movement: extension of leg at the knee
49
vastus medialis
origin: linea aspera insertion: patella via the quadriceps tendon innervation: femoral movement: extension of leg at the knee
50
tibialis anterior
origin: lateral condyle of tibia insertion: base of metatarsal 1 and medial cuneiform innervation: deep fibular movement: dorsiflexion and inversion of foot
51
gastrocnemius
origin: medial and lateral heads of femoral condyles insertion: posterior surfaces of calcaneus through the achilles tendon innervation: tibial movement: plantarflexion of foot and leg flexion
52
soleus
origin: posterior surface of head/shaft of fibula and tibia insertion: posterior surfaces of calcaneus through the achilles tendon innervation: tibial movement: plantarflexion of foot and leg flexion
53
flexor digitorum longus
inversion, plantarflexion, flexion of phalanges
54
flexor hallucis longus
flexion of hallux, inversion and plantarflexion
55
extensor digitorum longus
extends digits 2-5, dorsiflexion
56
extensor hallucis longus
extension of hallux, inversion and dorsiflexion
57
lumbricals (foot)
flexes metatarsophalangeal joints and extends proximal and distal interphalangeal joints
58
dorsal interosseous (foot)
flexes metatarsophalangeal joints and extends proximal and distal interphalangeal joints
59
platar interosseous
flexes metatarsophalangeal joints and extends proximal and distal interphalangeal joints

Anatomy (26 decks)

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