muscles of the back Flashcards

1
Q

what is the action of the trapezius

A

elevates, retaracs and rotaes scapulra, lower fibers depress scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the actio of the lattisums dorsi

A

extends, adducts and mdedilly rotes the humerous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what si the actio sof teh levator scapule

A

elvates the scapulae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what isthe actio of the rhomait maor and mionr

A

retrats adn rotates the scapula and fix it to thoracic wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what isthe atio of teh serratus posteori superois mulse

A

elevates ribs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what isthe actio fof serratus poistero inferior

A

depress ribs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the role of he sternocleido mastodi

A

tilts heds tto one side, so face is turned superior t opposdee sdie

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the directio of ineranl oblique

A

upwards from back

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is the dirctio of the exertioal oblieq

A

dowaers drom back

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the direction oof traverse abdois

A

horizonal to body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is the role of external and in teranl aboinal oblieq

A

compress and suport abidoal viscera, flexes and rotates trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is the role of he tranverse abdomial

A

compress and suport abdomal viscrea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what is the role of the rectus abdomious

A

flex trunk and comples amboidla viscera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the role of pasos major

A

acting superiorly with illacus, flex hip
acting infiar, felsxes vertabel colum laterally
flexus tranuk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the role of illacus

A

flexes thigh at hip and stabilise hip join acts with psoas major

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is the roel of quadratus lumborum

A

extend and laterally flex vertebal colum, fixse 12 rib during insiation

17
Q

what is the role of teres major

A

adducsts arm and medialy rotaes sholulder

18
Q

what tis the role of teres minor

A

laterally rots arm at shooul ,extends humerous , adduction adn exteions of shoulred

19
Q

what is the role of the pectoralis major

A

flexes, adducts and medially rotes arm at shoulder

20
Q

what is the role of the pecotrsli minor

A

lower lateral angle of scapula and protracts it

21
Q

how many jionts are cross by the bicept bracci

A

3

22
Q

how many joint are crossed by teh tricepts brachio

A

2

23
Q

role of biceptr brachio

A

supinates flexed forearm, flexes foream at elbow, flextio at sholure

24
Q

role of tricepte brchi

A

extend forrearm at elvnw]
cheif exteor of elvbow
steadies hea of abducted humerus

25
Q

what is the role of the gluteus maximus

A

extends hips
lateral rotaoin of hip #
abdctisonof hip

26
Q

what is the role of teh gluteus medius

A

abducts adn meaill rotes thrigh at hip, steadies pelvie on limb when opposite limb is raised

27
Q

what is teh role of the gludeous mius

A

abducts and medially rots thigh at hip, steadise pelvis on limb when opposite lib is raised

28
Q

what is the role of teh scalken musle

A

elevate the ribs