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Anatomy > Appendicular Muscles > Flashcards

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
Q

palmar interosseous

A

adduction at MCP joint and flexion at MCP joints, and extension at IP joints

26
Q

dorsal interosseous (hand)

A

abduction at MCP join and flexion of MCP joints, extension of IP joints

27
Q

thenar

A

abductor pollicis brevis, opponens pollicis, adductor pollicis, flexor pollicis brevis

28
Q

hypothenar

A

abductor digiti minimi, opponens digiti minimi, flexor digiti minimi brevis

29
Q

intermediate

A

lumbricals, palmar and dorsal interosseous

30
Q

gluteus maximus

A

origin: posterior gluteal surface of ilium
insertion: gluteal tuberosity
innervation: inferior gluteal
movement: abduction, extension, lateral rotation

31
Q

gluteus medius

A

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
Q

gluteus minimus

A

origin: gluteal region of ilium
insertion: greater trochanter of femur
innervation: superior gluteal
movement: abduction and lateral and medial rotation of thigh

33
Q

piriformis

A

origin: anterior sacrum
insertion: greater trochanter
innervation: spinal nerves
movement: abduction, lateral rotation, extension at hip

34
Q

gracilis

A

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
Q

sartorius

A

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
Q

iliopsoas

A

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
Q

tensor fasciae latae

A

origin: superior iliac spine
insertion: IT tract
innervation: superior gluteal nerve
movement: tenses fascia lata, abducts and medially rotates thigh

38
Q

iliotibial tract (IT band)

A

thickening of deep fascia, continuation of tensor fasciae latae

39
Q

adductor magnus

A

origin: ischial tuberosity/inferior ramus of pubis/ischium
insertion: medial condyle of femur
innervation: obturator
movement: adducts, rotates medially thigh

40
Q

adductor longus

A

origin: anterior pubis
insertion: linea aspera
innervation: obturator and sciatic
movement: adduction and medial rotation of thigh

41
Q

adductor brevis

A

origin: superior and inferior rami of sacrum
insertion: linea aspera
innervation: obturator and sciatic
movement: adduction and medial rotation of thigh

42
Q

biceps femoris

A

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
Q

semitendinosus

A

origin: ischial tuberosity
insertion: medial and superior shaft of tibia
innervation: tibial
movement: flexion and medial rotation of leg

44
Q

semimembranosus

A

origin: ischial tuberosity
insertion: medial condyle of tibia
innervation: tibial
movement: flexion and medial rotation of leg

45
Q

sartorius

A

origin: iliac spine
insertion: shaft of tibia
innervation: femoral
movement: abduction, flexion, lateral rotation at hip and thigh, medial rotation at knee

46
Q

rectus femoris

A

origin: iliac spine
insertion: tibial tuberosity
innervation: femoral
movement: hip flexion, extension of leg at knee

47
Q

vastus intermedius

A

origin: anterior and lateral surfaces of femur
insertion: tibial tuberosity
innervation: femoral
movement: extension of leg at the knee

48
Q

vastus lateralis

A

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
Q

vastus medialis

A

origin: linea aspera
insertion: patella via the quadriceps tendon
innervation: femoral
movement: extension of leg at the knee

50
Q

tibialis anterior

A

origin: lateral condyle of tibia
insertion: base of metatarsal 1 and medial cuneiform
innervation: deep fibular
movement: dorsiflexion and inversion of foot

51
Q

gastrocnemius

A

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
Q

soleus

A

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
Q

flexor digitorum longus

A

inversion, plantarflexion, flexion of phalanges

54
Q

flexor hallucis longus

A

flexion of hallux, inversion and plantarflexion

55
Q

extensor digitorum longus

A

extends digits 2-5, dorsiflexion

56
Q

extensor hallucis longus

A

extension of hallux, inversion and dorsiflexion

57
Q

lumbricals (foot)

A

flexes metatarsophalangeal joints and extends proximal and distal interphalangeal joints

58
Q

dorsal interosseous (foot)

A

flexes metatarsophalangeal joints and extends proximal and distal interphalangeal joints

59
Q

platar interosseous

A

flexes metatarsophalangeal joints and extends proximal and distal interphalangeal joints

Anatomy (26 decks)

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