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Anatomy > Muscles > Flashcards

Muscles Flashcards

1
Q

biceps brachii

A

o: coracoid process and tubercle above glenoid cavity of scapula
i: radial tuberosity of radius
a: flexes elbow and supinates forearm and hand

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2
Q

sternocleidomastoid

A

o: anterior surface of sternum and upper surface of clavicle
i: mastoid process of temporal bone
a: each laterally flexes neck to the same side, rotates head to opposite side. Together they flex neck forward; also aid in forceful inhalation

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3
Q

epicranius

A

o: occipital bone
i: skin around eyes
a: elevates eyebrows as when surprised

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4
Q

masseter

A

o: zygomatic arch
i: lateral surface of ramus of mandible
a: elevates and protracts mandible

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5
Q

rectus abdominis

A

o: crest of pubis and pubic symphysis
i: xiphoid process of sternum and ribs 5-7
a: compresses abdomen, flexes vertebral column

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6
Q

gastrocnemius

A

o: lateral and medial condyles of femur
i: posterior surface of calcaneus
a: plantar flexion of foot, flexes knee

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7
Q

trapezius

A

o: occipital bone, ligamentum nuchae,
and spinous processes of 7th cervical and all thoracic vertebrae

i: clavicle, spine, and acromnion process
a: rotates and retracts scapula; superior portion elevates scapula; inferior portion depresses scapula

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8
Q

gluteus maximus

A

o: sacrum, coccyx, and posterior surface of ilium
i: posterior surface of femur and fascia
a: extends hip

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9
Q

orbicularis oculi

A

o: maxillary and frontal bones
i: skin around eye
a: closes eye as in blinking

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10
Q

pectoralis minor

A

o: anterior surface of ribs 3-5
i: coracoid process of scapula
a: depresses and protracts scapula, elevates ribs during forceful inhalation

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11
Q

rhomboideus major

A

o: spinous process of upper thoracic vertebrae
i: medial border of scapula
a: retracts, elevates, and rotates scapula

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12
Q

biceps femoris

A

o: ischial tuberosity and linea aspera of femur
i: head of fibula
a: flexes knee, rotates leg laterally, and extends hip

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13
Q

rectus femoris

A

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

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14
Q

gracilis

A

o: lower edge of pubic symphysis
i: proximal, medial surface of tibia
a: adducts thigh and flexes knee

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15
Q

orbicularis oris

A

o: muscle near the mouth
i: skin of central lip
a: closes lips, protrudes lips as for kissing

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16
Q

zygomaticus

A

o: zygomatic bone
i: skin and muscle at corner of mouth
a: elevates corner of mouth as when smiling

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17
Q

temporalis

A

o: temporal bone
i: coronoid process and anterior rams of mandible
a: elevates and retracts mandible

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18
Q

latissimus dorsi

A

o: spine of sacral, lumbar, and lower thoracic vertebrae, iliac crest, and lower rib
i: intertubercular sulcus of humerus
a: extends shoulder, adducts, and rotates arm medially, or depresses and retracts shoulder

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19
Q

deltoid

A

o: acromion process, spine of the scapula and the clavicle
i: deltoid tuberosity of humerus
a: lateral portion abducts arm; anterior portion flexes shoulder; posterior portion extends shoulder

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20
Q

tibilias anterior

A

o: lateral condyle and lateral surface of tibia
i: tarsal bone (medial cuneiform) and first metatarsal
a: dorsiflexion and inversion of foot

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21
Q

soleus

A

o: head and shaft of fibula and posterior surface of tibia
i: posterior surface of calcaneus
a: plantar flexion of foot

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22
Q

supraspinatus

A

o: supraspinous fossa of scapula
i: greater tubercle of humerus
a: abducts arm

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23
Q

tensor fascia latae

A

o: anterior iliac crest
i: iliotibial tract (fascia of thigh)
a: abducts thigh

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24
Q

vasut lateralis

A

o: greater trochanter and posterior surface of femur
i: patella by tendon, which continues as patellar ligament to tibial tuberosity
a: extends knee

25
Q

lateral pterygoid

A

o: sphenoid bone
i: anterior surface of mandibular condyle
a: depresses and protracts mandible and moves it from side to side

26
Q

supinator

A

o: lateral epicondyle of humerus and crest of ulna
i: anterior and lateral surface of radius
a: rotates forearm laterally; supinates forearm and hand

27
Q

pronator teres

A

o: medial epicondyle of humerus and coronoid process of ulna
i: lateral surface of radius
a: rotates forearm medially; pronates forearm and hand

28
Q

psoas major

A

o: bodies and transverse processes of lumbar vertebrae
i: lesser trochanter of femur
a: flexes hip

29
Q

iliacus

A

o: iliac fossa of ilium
i: lesser trochanter of femur
a: flexes hip

30
Q

sartorius

A

o: anterior superior iliac spine
i: medial surface of tibia
a: flexes knee and hip, abducts and rotates thigh laterally, and rotates leg medially

31
Q

triceps brachii

A

o: tubercle below glenoid cavity and lateral and posterior surfaces of humerus
i: olecranon process of ulna
a: extends elbow

32
Q

pectoralis major

A

o: clavicle, sternum, and costal cartilages of upper ribs
i: intertubercular sulcus of humerus
a: flexes shoulder, adducts, and rotates arm medially

33
Q

coracobrachialis

A

o: coracoid process of scapula
i: medial mid-shaft of humerus
a: flexes shoulder and adducts arm

34
Q

brachioradiali

A

o: distal lateral end of humerus
i: lateral surface of radius above styloid process
a: flexes elbow

35
Q

subscapularis

A

o: anterior surface of scapula
i: lesser tubercle of humerus
a: rotates arm medially

36
Q

plantaris

A

o: femur
i: calcaneus
a: plantar flexion of foot, flexes knee

37
Q

teres major

A

o: lateral border of scapula
i: intertubercular sulcus of humerus
a: extends shoulder, adducts, and rotates arm medially

38
Q

infraspinatus

A

o: infraspinous fossa of scapula
i: greater tubercle of humerus
a: rotates arm laterally

39
Q

levator scapulae

A

o: tranvsers processes of cervical vertebrae
o: medial border of scapula
a: elevates scapuls

40
Q

buccinator

A

o: alveolar process of maxilla and mandible
i: orbicularis oris
a: compresses cheeks

41
Q

platysma

A

o: fascia in upper chest
i: skin and muscles below mouth; mandible
a: depresses lower lip and angle of mouth as when pouting

42
Q

internal oblique

A

o: iliac crest and inguinal ligament
i: lower 3-4 ribs, line alba and crest of pubis
a: compresses abdomen, flexes and rotates vertebral column

43
Q

external oblique

A

o: outer surface of lower 8 ribs
i: outer lip of iliac crest and line alba
a: compresses abdomen, flexes and rotates vertebral column

44
Q

brachialis

A

o: anterior surface of humerus
i: coronoid process of ulna
a: flexes elbow

45
Q

teres minor

A

o: lateral border of scapula
i: greater tubercle of humerus
a: rotates arm laterally

46
Q

adductor magnus

A

o: ischial tuberosity
i: posterior surface of femur
a: adducts thigh, posterior portion extends and anterior portion flexes the hip

47
Q

adductor longus

A

o: pubic bone near pubic symphysis
i: posterior surface of femur
a: adducts thigh and flexes hip

48
Q

gluteus medius

A

o: lateral surface of ilium
i: greater trochanter of femur
a: abducts and rotates thigh medially

49
Q

vastus medialis

A

o: medial surface of femur
i: patella by tendon, which continues as patellar ligament to tibial tuberosity
a: extends knee

50
Q

semimembranosus

A

o: ischial tuberosity
i: medial condyle of tibia
a: flexes knee, rotates leg medially and extends hip

51
Q

semitendinosus

A

o: ischial tuberosity
i: proximal, medial surface of tibia
a: flexes knee, rotates leg medially, and extends hip

52
Q

Which muscles share an insertion of the greater tubercle?

A

Supraspinatus, Infaspinatus, and Teres Minor

53
Q

Which muscles share an insertion of the intertubercular groove?

A

Pectoralis major, teres major, and latissimus dorsi

54
Q

Which muscles share an insertion of the lesser trochanter

A

Psoas major and the iliacus

55
Q

Which muscles share an origin of the ischial tuberosity

A

biceps femoris, semitendinosus, semimembranous, and adductor magnus

56
Q

Which muscles share an insertion of the patellar tendon ligament to the tibial tuberosity?

A

Rectus femoris, vastus lateralis vastus medialis

57
Q

Which muscles share an insertion of the calcaneus

A

gastrocnemius, soleus, and plantaris

58
Q

Which muscles share an insertion of the medial border of the scapula?

A

Rhomboid major, and elevator scapulae

Anatomy (17 decks)

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