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A&P 1 > Muscles and bones function > Flashcards

Muscles and bones function Flashcards

1
Q

Compresses cheeks

A

Buccinator

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2
Q

Compresses, purses lips

A

Orbicularis Oris

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3
Q

Closes eyes

A

Obicularis oculi

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4
Q

Raises eyebrows and wrinkles for head

A

Occipitofrontalis frontal belly

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5
Q

Tenses and retracts scalp

A

Occipital belly

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6
Q

Tenses the skin of neck
depresses mandible
pulls lower lip down

A

Platysma

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7
Q

Elevate mandible and closes the jaw

A

Masseter

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8
Q

Elevate mandible

A

Temporalis

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9
Q

Medial: Elevates the mandible encloses the jars or Slides the mandible from side to side
Lateral:Opens jaw Protrudes mandible or performs lateral excursion

A

Pterygoids

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10
Q

Depresses mandible or elevates larynx

A

Digastric

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11
Q

Elevate larynx

A

Stylohyoid

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12
Q

Together they flex the neck alone one side flexes head toward shoulder and rotates face to opposite side

A

Sternocleidomastoid

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13
Q

Elevate ribs

A

External intercostals

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14
Q

Depresses ribs

A

Internal intercostals

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15
Q

Compresses abdomen depresses ribs Flexes or bends Spine

A

External oblique

Internal oblique

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16
Q

Contraction expands thoracic cavity and compresses abdominopelvic cavity

A

Diaphragm

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17
Q

Depresses ribs flexes Vertebral column compresses abdomen

A

Rectus abdominis

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18
Q

Elevate ribs or flex neck

A

Scalenes

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19
Q

Closed urethra Compresses prostate and bulbourethral glands

A

External urethral sphincter

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20
Q

Tenses floor of pelvis Flexes coccygeal joints elevates and retracts anus

A

Levator Ani lliococcygeus

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21
Q

Closes anal opening

A

External anal Sphincter

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22
Q

Elevates scapula

A

Levator Scapulae

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23
Q

Adducts Scalpula And performs downward rotation

A

Rhomboid major

24
Q

Protracts Shoulder rotates scapula so glenoid Cavity moves superiorly

A

Serratus anterior

25
Q

Depends on active region and state of other muscles may elevate retract depressed or rotate scapula upward elevate clavicle or extend neck

26
Q

Abduction at shoulder flexion and medial rotation extension and lateral rotation

27
Q

Abduction at shoulders

A

Supraspinatus

28
Q

Medial rotation at shoulder

A

Subscapularis

29
Q

Extension adduction And medial rotation at shoulder

A

Teres minor

30
Q

Lateral rotation at shoulder

A

Infraspinatus

31
Q

Flexion abduction and medial rotation at shoulder

A

Pectoralis major

32
Q

Extension abduction and medial rotation at shoulder

A

Latissimus dorsi

33
Q

Flexion at elbow and shoulder supination

A

Biceps brachii

34
Q

Flexion at elbow

A

Brachialis

35
Q

Flexion at elbow

A

Brachioradialis

36
Q

Extensional elbow plus extension and abduction at the shoulder

A

Triceps brachii

37
Q

Pronation

A

Pronator quadratus and pronator Teres

38
Q

Supination

39
Q

Flexion at wrist

A

Palmaris longus

40
Q

Extension and abduction at wrist

A

Extensor carpi radialis longus

41
Q

Flexion at joints of thumb

A

Flexor pollicis longus

42
Q

Extension and lateral rotation at hip

A

Gluteus maximus

43
Q

Abduction and medial rotation at hip

A

Gluteus medius

44
Q

Lateral rotation of hip

A

Quadratus femoris

45
Q

Flexion at knee Adduction And medial rotation at hip

46
Q

Flexion at knee Extension and lateral rotation at hip

A

Biceps femoris

47
Q

Flexion at knee Extension and medial rotation at hip

A

Semitendinosis

48
Q

Flexion at knee extension and medial rotation at hip

A

Semimembranosus

49
Q

Flexion at knee Flexion and lateral rotation at hip

50
Q

Medial rotation of tibia or lateral rotation of femur at knee

51
Q

Extension at knee flexion at hip

A

Rectus femoris

52
Q

Extension at knee

A

Vastus Lateralis and medialis

53
Q

Dorsiflexion at ankle Inversion of foot

A

Tibialis anterior

54
Q

Plantar flexion at ankle Inversion of Foot extension at knee

A

Gastrocnemius

55
Q

Plantar flexion at ankle extension at knee

56
Q

Plantar flexion at ankle

57
Q

Flexion at joints of great toe

A

Flexor hallucis longus

A&P 1 (17 decks)

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