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Anatomy And Physiology 1 > Chpt. 9.7 Muscles > Flashcards

Chpt. 9.7 Muscles Flashcards

Muscles required for test

1
Q

Epicranius

A

Origin: occipital bone
Insertion: skin around eye
Action: Elevates eyebrows

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2
Q

Orbicularis oculi

A

Origin: maxillary and frontal bones
Insertion: skin around eye
Action: closes eye as in blinking

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3
Q

Orbicularis oris

A

Origin: muscles near mouth
Insertion: skin of central lip
Action: closes lips, protrudes lips as for kissing

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4
Q

Buccinator

A

Origin: alveolar processes of maxilla and mandible
Insertion: obicularis oris
Action: compresses cheeks

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5
Q

Zygomaticus major

A

Origin: zygomatic bone
Insertion: skin and muscle at corner of mouth
Action: elevates corner of mouth as when smiling

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6
Q

Zygomaticus minor

A

Origin: zygomatic bone
Insertion: skin and muscle at corner of mouth
Action: elevates corner of mouth as when smiling

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7
Q

Platysma

A

Origin: fascia in upper chest
Insertion: skin and muscles below mouth; mandible
Action: depresses lower lip and angle of mouth as when smiling

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8
Q

Masseter

A

Origin: Zygomatic arch
Insertion: lateral surface of ramus of mandible
Action: elevates and protracts mandible

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9
Q

Temporalis

A

Origin: temporal bone
Insertion: coronoid process and anterior ramus of mandible
Action: elevates and retracts mandible

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10
Q

Medial pterygoid

A

Origin: sphenoid, palatine, and maxillary bones
Insertion: medial surface of ramus of mandible
Action: elevates mandible and moves it from side to side

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11
Q

Lateral pterygoid

A

Origin: Sphenoid bone
Insertion: anterior surface of mandibular condyle
Action: depresses and protracts mandible and moves it side to side

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12
Q

Trapezius

A

Origin: occipital bone, ligamentum nuchae, and spinous processes of 7th cervical and all thoracic vertebrae
Action: retracts shoulder, extends neck

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13
Q

Rhomboid major

A

Origin: spinous processes of upper thoracic vertebrae
Insertion: medial border of scapula
Action: retracts, elevates, and rotates scapula

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14
Q

Rhomboid minor

A

Origin: spinous processes of lower cervical vertebrae
Insertion: medial border of scapula
Action: retracts and elevates scapula

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15
Q

Levator scapulae

A

Origin: transverse processes of cervical vertebrae
Insertion: medial border of scapula
Action: elevates scapula

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16
Q

Serratus anterior

A

Origin: anterior surfaces of upper ribs
Insertion: medial border of scapula
Action: protracts and rotates scapula

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17
Q

Pectoralis minor

A

Origin: anterior surface of ribs 3-5
Insertion: coracoid process of scapula
Action: depresses and protracts scapula, elevates ribs during forceful inhalation

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18
Q

Coracobrachialis

A

Origin: coracoid process of scapula
Insertion: medial mid-shaft of humerus
Action: flexes shoulder and adducts arm

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19
Q

Pectoralis major

A

Origin: clavicle, sternum, and costal cartilages of upper ribs
Insertion: intertubercular sulcus of humerus
Action: flexes shoulder, adducts, and rotates arm medially

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20
Q

Latissimus dorsi

A

Origin: spines of sacral, lumbar, and lower thoracic vertebrae, iliac crest, and lower ribs
Insertion: intertubercular sulcus of humerus
Action: extends/retracts and depresses shoulder, adducts and rotates arm medially

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21
Q

Supraspinatus

A

Origin: supraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: abducts arm

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22
Q

Deltoid

A

Origin: Acromion process, spine of the scapula, and the clavicle
Insertion: deltoid tuberosity of humerus
Action: lateral portion abducts arm, anterior portion flexes shoulder, posterior portion extends shoulder

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23
Q

Subscapularis

A

Origin: anterior surface of scapula
Insertion: lesser tubercle of humerus
Action: rotates arm medially

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24
Q

Infraspinatus

A

Origin: infraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: rotates aremm laterally

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25
Q

Teres minor

A

Origin: lateral border of scapula
Insertion: greater tubercle of humerus
Action: rotates arm laterally

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26
Q

Biceps brachii

A

Origin: coracoid process and tubercle above glenoid cavity of scapula
Insertion: radial tuberosity of radius
Action: flexes elbow and supinates forearm and hand

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27
Q

Brachialis

A

Origin: anterior surface of humerus
Insertion: coronoid process of ulna
Action: flexes elbow

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28
Q

Brachioradialis

A

Origin: distal lateral end of humerus
Insertion: lateral surface of radius above styloid process
Action: flexes elbow

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29
Q

Triceps brachii

A

Origin: tubercle below glenoid cavity and lateral and posterior surfaces of humerus
Insertion: olecranon process of ulna
Action: extends elbow

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30
Q

Supinator

A

Origin: lateral epicondyle of humerus and crest of ulna
Insertion: anterior and lateral surface of radius
Action: rotates forearm laterally, supinates forearm and hand

31
Q

Pronator teres

A

Origin: medial epicondyle of humerus and coronoid process of ulna
Insertion: lateral surface of radius
Action: rotates forearm medially; pronates forearm and hand

32
Q

Pronator quadratus

A

Origin: anterior distal and of ulna
Insertion: anterior distal end of radius
Action: rotates forearm medially; pronates forearm and hand

33
Q

Flexor carpi radialis

A

Origin: Medial epicondyle of humerus
Insertion: base of second and third metacarpals
Action: flexes wrist and abducts hand

34
Q

Flexor carpi unlaris

A

Origin: medial epicondyle of humerus and olecranon process of ulna
Insertion: carpal and metacarpal bones
Action: flexes wrist and adducts hand

35
Q

Palmaris longus

A

Origin: medial epicondyle of humerus
Insertion: fascia of palm
Action: flexes wrist

36
Q

Flexor digitorum profundus

A

Origin: anterior and medial surface of ulna
Insertion: distal phalanges of fingers 2-5
Action: flexes wrist and joints of fingers

37
Q

Flexor digitorum superficialis

A

Origin: medial epicondyle of humerus, coronoid process of ulna, and radius
Insertion: tendons of fingers
Action: flexes wrist and joints of fingers

38
Q

Extensor carpi radialis longus

A

Origin: lateral end of humerus
Insertion: base of second metacarpal
Action: extends wrist and abducts hands

39
Q

Extensor carpi radialis brevis

A

Origin: lateral epicondyle of humerus
Insertion: base of third metacarpal
Action: extends wrist and abducts hand

40
Q

Extensor carpi ulnaris

A

Origin: lateral epicondyle of humerus and proximal, posterior ulna
Insertion: base of fifth metacarpal

41
Q

Extensor digitorum

A

Origin: lateral epicondyle of humerus
Insertion: posterior surface of phalanges in fingers 2-5

42
Q

External oblique

A

Origin: outer surfaces of lower 8 ribs
Insertion: outer lip of iliac crest and linea alba
Action: compresses abdomen flexes and rotates vertebral column

43
Q

Internal oblique

A

Origin: iliac crest and inguinal ligament
Insertion: lower 3-4 ribs, linea alba, and crest of pubis
Action: compresses abdomen, flexes and rotates vertebral column

44
Q

Transversus abdominus

A

Origin: costal cartilages of lower 6 ribs, processes of lumbar vertebrae, lip of iliac crest, and inguinal ligament
Insertion: linea alba and crest of pubis
Action: compresses abdomen, flexes and rotates vertebral column

45
Q

Rectus abdominus

A

Origin: crest of pubis and pubic symphysis
Insertion: xiphoid process of sternum and ribs 5-7
Action: Compresses abdomen, flexes vertebral column

46
Q

Psoas major

A

Origin: bodies and transverse processes of lumbar vertebrae
Insertion: lesser trochanter of femur
Action: flexes hip

47
Q

Iliacus

A

Origin: iliac fossa of ilium
Insertion: lesser trochanter of femur
Action: flexes hip

48
Q

Gluteus maximus

A

Origin: Sacrum, coccyx, and posterior surface of ilium
Insertion: posterior surface of femur and fascia of thigh
Action: extends hip

49
Q

Gluteus medius

A

Origin: lateral surface of ilium
Insertion: greater trochanter of femur
Action: abducts and rotates thigh medially

50
Q

Gluteus minimus

A

Origin: lateral surface of ilium
Insertion: greater trochanter of femur
Action: abducts and rotates thigh medially

51
Q

Piriformis

A

Origin: anterior surface of sacrum
Insertion: greater trochanter of femur
Action: abducts and rotates thigh laterally

52
Q

Tensor fasciae latae

A

Origin: anterior iliac crest
Insertion: iliotibial tract (fascia of thigh)
Action: abducts thigh, flexes hip, and rotates thigh medially

53
Q

Pectineus

A

Origin: spine of pubis
Insertion: femur distal to lesser trochanter
Action: flexes hip and adducts thigh

54
Q

Adductor brevis

A

Origin: pubic bone
Insertion: posterior surface of femur
Action: adducts thigh and flexes hip

55
Q

Adductor longus

A

Origin: pubic bone near pubic symphysis
Insertion: posterior surface of femur
Action: adducts thigh and flexes hip

56
Q

Adductor magnus

A

Origin: ischial tuberosity
Insertion: posterior surface of femur
Action: adducts thigh, posterior portion extends and anterior portion flexes hip

57
Q

Biceps femoris

A

Origin: ischial tuberosity and linea aspera of femur
Insertion: head of fibular
Action: flexes knee, rotates leg laterally, and extends hip

58
Q

Semitendinosus

A

Origin: ischial tuberosity
Insertion: proximal, medial surface of tibia
Action: flexes knee, rotates leg medially, and extends hip

59
Q

Semimembranosus

A

Origin: ischial tuberosity
Insertion: medial condyle of tibia
Action: flexes knee, rotates leg medially, and extends hip

60
Q

Sartorius

A

Origin: anterior superior iliac spine
Insertion: medial surface of tibia
Action: flexes knee and hip, abducts and rotates thigh laterally, and rotates leg medially

61
Q

Rectus femoris

A

Origin: anterior superior iliac spine and margin of acetabulum
Insertion: patella by tendon, which continues as patellar ligament to tibial tuberosity
Action: extends knee, flexes hip

62
Q

Vastus lateralis

A

Origin: greater trochanter and posterior surface of femur
Insertion: patella by tendon, which continues as patellar ligament to tibial tuberosity
Action: extends knee

63
Q

Vastus medialis

A

Origin: medial surface of femur
Insertion: patella by tendond, which continues as patellar ligament to tibial tuberosity
Action: extends knee

64
Q

Vastus intermedius

A

Origin: anterior and lateral surfaces of femur
Insertion: patella by tendon, which continues as patellar ligament to tibial tuberosity
Action: extends knee

65
Q

Tibialis anterior

A

Origin: lateral condyle and lateral surface of tibia
Insertion: tarsal bone (medial cuneiform) and first metatarsal
Action: dorsiflexion and inversion

66
Q

Fibularis tertius

A

Origin: anterior surface of fibula
Insertion: dorsal surface of fifth metatarsal
Action: dorsiflexion and eversion of foot

67
Q

Extensor digitorum longus

A

Origin: lateral condyle of tibia and anterior surface of fibula
Insertion: dorsal surfaces of middle and distal phalanges of four lateral toes
Action: dorsiflexion of foot, extends toes

68
Q

Extensor hallicus longus

A

Origin: anterior surface of fibula
Insertion: distal phalanx of the great toe
Action: extends great toe, dorsiflexion and inversion of the foot

69
Q

Gastrocnemius

A

Origin: lateral and medial condyles of femur
Insertion: posterior surface of calcaneus
Action: plantar flexion of foot, flexes knee

70
Q

Soleus

A

Origin: head and shaft of fibula and posterior surface of tibia
Insertion: posterior surface of calcaneus
Action: plantar flexion of foot

71
Q

Plantaris

A

Origin: femur
Insertion: calcaneus
Action: plantar flexion of foot, flexion of knee

72
Q

Flexor digitorum longus

A

Origin: posterior surface of tibia
Insertion: distal phalanges of four lateral toes
Action: plantar flexion and inversion of foot, flexes four lateral toes

73
Q

Tibialis posterior

A

Origin: lateral condyle and posterior surface of tibia and posterior surface of fibula
Insertion: tarsal and first metatarsal
Action: plantar flexion and inversion of foot

74
Q

Fibularis longus

A

Origin: lateral condyle of tibia and head and shaft of fibula
Insertion: tarsal bone (medial cuneiform) and first metatarsal
Action: plantar flexion and eversion of foot, also supports arch

Anatomy And Physiology 1 (12 decks)

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