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Physci 107 > Lecture 11 > Flashcards

Lecture 11 Flashcards

1
Q

What are the five functions of muscles

A
  • movement/ locomotion
  • vision/hearing
  • circulation
  • digestion
  • thermoregulation
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2
Q

_______________ stays stable during muscle contraction

A

origin

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3
Q

_________________ location of muscle tissue

A

belly

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4
Q

_______________ moves during contraction

A

insertion

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5
Q

______________ muscles that do opposing actions

A

antagonists

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6
Q

____________________ muscles that work together for an action

A

synergists

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7
Q

_______________ is muscle contraction without shortination and results in no movement

A

isometric contraction

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8
Q

_________________ muscle contraction that results in change in muscle length and movement

A

isotonic contraction

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9
Q

________________________ is contraction that results in the shortening of muscle

A

concentric

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10
Q

________________ is contraction that results in the lengthening of the muscle

A

eccentric

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11
Q

What are the two types of isotonic contraction

A

concentric and eccentric

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12
Q

______________:

  • originate on the axial skeleton and insert on the scapula
  • also often causes movement at sternoclavicular joint, in addition to movement of the scapula
A

scapular muscles

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13
Q

_______________

  • elevates and depresses scapula
  • can retract scapula
  • upward roation
  • Inervated by cranial nerve 11
A

Trapezius

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14
Q

_____________:

  • retracts scapula with trapezia
  • downward rotation against trapezius
A

rhomboids

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15
Q

__________________

  • protracts scapula
  • small amount of upward and downward rotation
A

serrates anterior- boxier muscle

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16
Q

____________

originate on scapulas or axial skeleton and cause movement of humorous joint

A

glenohumeral muscles

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17
Q

what two muscles extend and abduct the humorous

A

latissimus dorsi and teres major

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18
Q

___________ abduct and flex the humereous. Some rotation

A

pectoralis major

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19
Q

_________ major abductor of the arm up to 90*. Some flexion and extension

A

deltoid is the main abductor

20
Q

_______________ rotates the scapula and holds the humorous in place against the glenoid fossa

A

rotator cuff muscles

21
Q

what are the rotator cuff muscles

A

subscapularis
supraspinatus
infraspinatus
teres minor

22
Q

__________ is the rotator cuff laying under the spine of the scapula

A

subscapularis

23
Q

_____________ is the rotator cuff laying above the spine of the scapula

A

supraspinatus

24
Q

_____________ is the rotator cuff laying Below the spine of the scapula

A

infraspinatus

25
Q

_________________ is the rotator cuff attaching to the humorous

A

teres minor

26
Q

______________ is the 2 headed muscle of the arm

A

bicep brachial

27
Q

what is the origin of the bicep brachi

A

2 places on scapula

  • genoid fossa
  • corocoid process
28
Q

what is the function of the bicep brachia

A

flex and supinate forarm

29
Q

where does the brachial inter and origin

A

origin-humerus

insert-ulna

30
Q

what does the brachial do

A

flex arm only

31
Q

___________ contains the flexors of the forearm and arm

A

anterios compartment of the arm

32
Q

__________________ contains flexors of wrist and digits and pronators

A

anterior compartments of forearm

33
Q

__________ pronates arm

A

pronator teres

34
Q

_______________ flexes/radial deviates the wrist

A

flexor carpi radialis

35
Q

_____________ tenses palm of the hand

A

palmarris longus

36
Q

_________________ flexes the last digits 2-5

A

flexor digitorum superficials

37
Q

___________ flexion and ulnar deviation of the wrist

A

flexor carpi ulnaris

38
Q

_________________ flexor fingers

A

flexor digitorum profundus

39
Q

_____________ has 3 heads

A

tricep brachi

40
Q

what is the origin of the tricep

A

ulcranon process of the ulna

41
Q

what is the function of the tricep

A

extends the elbow and forearm

42
Q

_________ extensors of the rest and fingers, supinators

A

superficial group of the carptmeents of the forearm

43
Q

_________ is the exception and flexes the elbow and semiprotonates the wrist

A

brachioradialis

44
Q

____________ extends the wrist and radius. Radially deviates the wrist

A

extensor carpi radialis

45
Q

______________ ulnar deviates the wrist. extension

A

carpi ulnaris

46
Q

________________ extension of forearm

A

entensor

47
Q

____________ supinates and is synergiate to the bicep brachi

A

supinator

Physci 107 (22 decks)

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