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GRFC > GRFC - O, I, N A > Flashcards

GRFC - O, I, N A Flashcards

1
Q

Tibialis anterior

A

O: Tibial shaft (lateral aspect), interosseous membrane

I: Medial cuneiform, base of 1st metatarsal

N: Deep peroneal nerve (anterior compartment)

A: Dorsiflexion, inversion, supports medial longitudinal arch

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2
Q

Extensor digitorum longus

A

O: Shaft of fibula (anterior surface)
[shaft of tibia, interosseous membrane]

I: Extensor expansion of lateral four toes

N: Deep peroneal nerve (anterior compartment)

A: Dorsiflexion, toe extension

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2
Q

Peroneus tertius

A

O: Shaft of fibula (anterior surface)

I: Base of 5th metatarsal

N: Deep peroneal nerve (anterior compartment)

A: Dorsiflexion, eversion

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3
Q

Extensor digitorum brevis

A

O: Calcaneum

I: By four tendons into the proximal phalanx of big toe and long extensor tendons to 2nd, 3rd, and 4th toes

N: Deep peroneal nerve (anterior compartment)

A: Extends toes

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4
Q

Extensor hallucis longus

A

O: Shaft of fibula (anterior surface)

I: Base of distal phalanx of great toe

N: Deep peroneal nerve (anterior compartment)

A: Dorsiflexion, inversion

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6
Q

Peroneus brevis

A

O: Shaft of fibula (lateral surface)

I: Base of 5th metatarsal

N: Superficial peroneal nerve (lateral compartment)

A: Plantarflexion, eversion, supports lateral longitudinal arch

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7
Q

Peroneus longus

A

O: Shaft of fibula (lateral aspect)

I: Medial cuneiform, base of 1st metatarsal

N: Superficial peroneal nerve (lateral compartment)

A: Plantarflexion, eversion, supports lateral longitudinal arch and transverse arch

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8
Q

Gastrocnemius (lateral head)

A

O: Lateral condyle

I: Via tendo calcaneus into calcaneum (posterior surface)

N: Tibial nerve (posterior compartment)

A: Plantarflexion, knee flexion

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9
Q

Gastrocnemius (medial head)

A

O: Above medial condyle

I: Via tendo calcaneus into calcaneum (posterior surface)

N: Tibial nerve (posterior compartment)

A: Plantarflexion, knee flexion

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10
Q

Popliteus

A

O: Lateral condyle of femur (lateral surface)

I: Shaft of tibia (posterior) above soleal line

N: Tibial nerve (posterior compartment)

A: Knee flexion, unlocks knee joint (ER of femur on tibia), slackens ligaments of joint

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11
Q

Plantaris

A

O: Lateral supracondylar ridge of femur

I: Calcaneum (posterior surface)

N: Tibial nerve (posterior compartment)

A: Plantarflexion, knee flexion

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12
Q

Flexor digitorum longus

A

O: Shaft of tibia (posterior)

I: Bases of distal phalanges of lateral 4 toes

N: Tibial nerve (posterior compartment)

A: Toes flexion, plantarflexion, supports MLA and LLA

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12
Q

Flexor hallucis longus

A

O: Shaft of fibula (posterior)

I: Base of distal phalanx of big toe

N: Tibial nerve (posterior compartment)

A: Toe flexion, plantarflexion, supports MLA

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13
Q

Soleus

A

O: Shaft of tibia, shaft of fibula

I: Via tendo calcaneus into calcaneum (posterior surface)

N: Tibial nerve (posterior compartment)

A: Plantarflexion (powerful), provides main propulsive force in walking and running

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14
Q

Tibialis posterior

A

O: Shaft of tibia (posterior), shaft of fibula (posterior), inteosseous membrane

I: Navicular tuberosity and other neighboring bones

N: Tibial nerve

A: Plantarflexion, inversion, supports medial longitudinal arch

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15
Q

Abductor hallucis

A

Layer 1

O: Medial tuberosity of calcaneum, flexor retinaculum

I: Base of proximal phalanx of big toe

N: Medial plantar nerve

A: Flexion and abduction of big toe, braces MLA

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15
Q

Flexor digitorum brevis

A

Layer 1

O: Medial tuberosity of calcaneum

I: 4 tendons to 4 lateral toes inserted into borders of middle phalanges

N: Medial plantar nerve

A: Toe flexion, braces MLA and LLA

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16
Q

Quadratus plantae

A

Layer 2

O: Medial and lateral sides of calcaneum

I: Tendons of FDL

N: Lateral plantar nerve

A: Flexes 4 lateral toes (assists FDL)

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16
Q

Abductor digiti minimi

A

Layer 1

O: Medial and lateral tuberosities of calcaneum

I: Base of proximal phalanx of 5th toe

N: Lateral plantar nerve

A: Toe flexion and abduction, braces LLA

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17
Q

Lumbricals of the foot

A

Layer 2

O: Tendons of FDL (flexor digitorum longus)

I: Bases of lateral 4 proximal phalanges, dorsal extensor expansion

N: 1st - medial plantar nerve
Remainder - lateral plantar nerve

A: Extends toes at IP joints

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18
Q

Flexor hallucis brevis

A

Layer 3

O: Cuboid, lateral cuneiform, tibialis posterior insertion

I: Medial tendon to medial side of proximal phalanx of big toe; lateral tendon to lateral side of proximal phalanx of big toe

N: Medial plantar nerve

A: Big toe MTP flexion, supports MLA

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19
Q

Adductor hallucis (transverse head)

A

Layer 3

O: Plantar ligaments

I: Base of proximal phalanx of big toe (lateral side)

N: Lateral plantar nerve (deep branch)

A: Big toe MTP flexion, holds metatarsal bones

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20
Q

Adductor hallucis (oblique head)

A

Layer 3

O: Bases of 2nd, 3rd, and 4th metatarsals

I: Base of proximal phalanx of big toe (lateral side)

N: Lateral plantar nerve (deep branch)

A: Big toe MTP flexion, holds metatarsal bones

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20
Q

Flexor digiti minimi brevis

A

Layer 3

O: Base of 5th metatarsal

I: Base of proximal phalanx of big toe (lateral aspect)

N: Lateral plantar nerve

A: Little toe MTP joint flexion

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21
Q

Dorsal interossei of foot

A

O: Adjacent sides of metatarsal bones

I: Bases of proximal phalanges
1st - medial side of 2nd toe
Remainder - lateral sides of 2nd, 3rd, 4th toes
Dorsal extensor expansion

N: Lateral plantar nerve

A: Toe abduction, MCP flexion, IP extension

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21
Q

Plantar interossei

A

Layer 4

O: Inferior surfaces of 3rd, 4th, 5th metatarsals

I: Medial side of bases of phalanges of lateral 3 toes

N: Lateral plantar nerve

A: Toe adduction, MTP flexion, IP extension

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22
Q

Biceps femoris (short head)

A

O: Linea aspera

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24
Q

Biceps femoris (long head)

A

O: Ischial tuberosity

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26
Q

Tensor fascia lata

A

O: Iliac crest

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27
Q

Semitendinosus

A

O: Ischial tuberosity

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29
Q

Levator scapula

A

O: C1 - C4 transverse processes

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31
Q

Deltoids

A

O: Lateral one-third of clavicle (anterior), acromion process (middle), spine of scapula (posterior)

I: Shaft of humerus (middle of lateral surface)

N: Axillary nerve

A: Shoulder abduction, shoulder flexion and internal rotation (anterior), shoulder extension and external rotation (posterior)

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33
Q

Supraspinatus

A

O: Supraspinous fossa of scapula

I: Greater tuberosity of humerus, shoulder joint capsule

N: Suprascapular nerve

A: Shoulder abduction, stabilization of shoulder joint

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35
Q

Infraspinatus

A

O: Infraspinous fossa of scapula

I: Greater tuberosity of humerus, shoulder joint capsule

N: Suprascapular nerve

A: Shoulder internal rotation, stabilization of shoulder joint

36
Q

Teres minor

A

O: Upper two-thirds of lateral border of scapula

I: Greater tuberosity of humerus, shoulder joint capsule

N: Axillaray nerve

A: Shoulder external rotation, shoulder joint stabilization

37
Q

Subscapularis

A

O: Subscapular fossa

I: Lesser tuberosity of humerus

N: Upper subscapular nerve, lower subscapular nerve

A: Shoulde internal rotation, stabilization of shoulder joint

38
Q

Teres major

A

O: Lower 1/3 of lateral border of scapula

I: Bicipital groove (medial lip)

N: Lower subscapular nerve

A: Shoulder internal rotation, adduction, stabilization of shoulder joint

39
Q

Trapezius

A

O: Occipital bone, ligamentum nuchae, spine of C7, spines of all thoracic vertebrae

40
Q

Latissimus dorsi

A

O: Iliac crest, lumbar fascia, spines of lower six thoracic vertebrae, lower 3 or 4 ribs, inferior angle of scapula

41
Q

Rhomboid minor

A

O: Ligamentum nuchae, spines of C7 and T1

42
Q

Biceps brachii (long head)

A

O: Supraglenoid tubercle of scapula

43
Q

Biceps brachii (short head)

A

O: Coracoid process of scapula

44
Q

Coracobrachialis

A

O: Coracoid process of scapula

45
Q

Brachialis

A

O: Front of lower half of humerus

46
Q

Triceps brachii (long head)

A

O: Infraglenoid tubercle of scapula

47
Q

Triceps brachii (lateral head)

A

O: Shaft of humerus (posterior surface, upper half)

48
Q

Triceps brachii (medial head)

A

O: Shaft of humerus (posterior surface, lower half)

49
Q

Pronator teres (humeral head)

A

O: Medial epicondyle of humerus

50
Q

Pronator teres (ulnar head)

A

O: Coronoid process of ulna (medial border)

51
Q

Flexor carpi radialis

A

O: Medial epicondyle of humerus

52
Q

Palmaris longus

A

O: Medial epicondyle of humerus

53
Q

Flexor carpi ulnaris (humeral head)

A

O: Medial epicondyle of humerus

54
Q

Flexor carpi ulnaris (ulnar head)

A

O: Olecranon process (medial aspect), posterior border of ulna

55
Q

Flexor digitorum superficialis (humeroulnar head)

A

O: Medial epicondyle of humerus, coronoid process of ulna (medial border)

56
Q

Flexor digitorum superficialis (radial head)

A

O: Oblique line on anterior shaft of radius

57
Q

Flexor pollicis longus

A

O: Anterior surface of shaft of radius

58
Q

Flexor digitorum profundus

A

O: Anteromedial surface of shaft of ulna

59
Q

Pronator quadratus

A

O: Anterior surface of shaft of ulna

60
Q

Gracilis

A

O: Inferior ramus of pubis, ramus of ischium

60
Q

Adductor longus

A

O: Body of pubis, medial to pubic tubercle

61
Q

Adductor brevis

A

O: Inferior ramus of pubis

62
Q

Adductor magnus (adductor portion)

A

O: Inferior ramus of pubis, ramus of ischium

63
Q

Adductor magnus (hamstring portion)

A

O: Ischial tuberosity

64
Q

Gluteus maximus

A

O: Ilium (outer surface), sacrum, coccyx, sacrotuberous ligament

65
Q

Gluteus medius

A

O: Ilium (outer surface)

66
Q

Gluteus minimus

A

O: Outer surface of ilium

67
Q

Piriformis

A

O: Sacrum (anterior surface)

68
Q

Extensor carpi radialis longus

A

O: Lateral supracondylar ridge of humerus

69
Q

Brachioradialis

A

O: Lateral supracondylar ridge of humerus

70
Q

Extensor carpi radialis brevis

A

O: Lateral epicondyle of humerus

71
Q

Extensor digitorum

A

O: Lateral epicondyle of humerus

72
Q

Extensor digiti minimi

A

O: Lateral epicondyle of humerus

73
Q

Extensor carpi ulnaris

A

O: Lateral epicondyle of humerus

74
Q

Anconeus

A

O: Lateral epicondyle of humerus

75
Q

Extensor pollicis longus

A

O: Posterior shaft of ulna

76
Q

Extensor pollicis brevis

A

O: Posterior shaft of radius

77
Q

Abductor pollicis longus

A

O: Posterior shafts of radius and ulna

77
Q

Extensor indicis

A

O: Posterior shaft of ulna

78
Q

Supinator

A

O: Lateral epicondyle of humerus, ulna, annular ligament of PRU

79
Q

Rhomboid major

A

O: Spines of T2 - T5

80
Q

Pectoralis major

A

O: Clavicle, sternum, upper 6 costal cartilages

81
Q

Pectoralis minor

A

O: Ribs 3 - 5

82
Q

Subclavius

A

O: 1st costal cartilage

83
Q

Serratus anterior

A

O: Upper 8 ribs

GRFC (5 decks)

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