Appendicular Muscles Flashcards Preview

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Flashcards in Appendicular Muscles Deck (53):
1

What is the origin, insertion, and action of the trapezius

Origin-occipital bone, ligamentum nuchae, and spinous processes of thoracic vertebrae
Insertion-clavicle and scapula(acromion and scapular spine)
Action-depends on active region and state of other muscles; may (1)elevate, retract, depress, or rotate scapula upward, (2)elevate clavicle, or (3)extend neck

2

What is the origin, insertion, and action of the deltoid

Origin:axial skeleton and pectoral girdle
Insertion:humerus
Action:whole muscle-abduction at shoulder; anterior part:flexion and medial rotation; posterior part:extension and lateral rotation

3

What is the origin, insertion, and action of the supraspinatus

Origin-axial skeleton and pectoral girdle
Insertion-humerus
Action-abduction at shoulder

4

What is the origin, insertion, and action of the subscapularis

Origin-axial skeleton and pectoral girdle
Insertion-humerus
Action-medial rotation at shoulder

5

What is the origin, insertion, and action of the infraspinatus

Origin-axial skeleton and pectoral girdle
Insertion-humerus
Action-lateral rotation at shoulder

6

What is the origin, insertion, and action of the teres minor

Origin-axial skeleton and pectoral girdle
Insertion-humerus
Action-lateral rotation at shoulder

7

What is the origin, insertion, and action of the pectoralis major

Origin-axial skeleton and pectoral girdle
Insertion-humerus
Action-flexion, adduction, and medial rotation at shoulder

8

What is the origin, insertion, and action of the latissimus dorsi

Origin-axial skeleton and pectoral girdle
Insertion-humerus
Action-extension, adduction, and medial rotation at shoulder

9

What are the rotator cuff muscles

supraspinatus, subscapularis, infraspinatus, teres minor

10

What muscle flexes the arm and what muscle is the extensor of the arm

Biceps brachii flexes and triceps brachii extends

11

What is the origin, insertion, and action of the biceps brachii

Origin-pectoral girdle and humerus
Insertion-radius and ulna
Action-flexion at elbow and shoulder, supination

12

What is the origin, insertion, and action of the triceps brachii

Origin-pectoral girdle and humerus
Insertion-radius and ulna
Action-extension at elbow, plus extension and adduction at the shoulder

13

What is the origin, insertion, and action of the pronator quadratus

Origin-pectoral girdle and humerus
Insertion-radius and ulna
Action-pronation

14

What is the origin, insertion, and action of the pronator teres

Origin-pectoral girdle and humerus
Insertion-radius and ulna
Action-pronation

15

What is the origin, insertion, and action of the supinator

Origin-pectoral girdle and humerus
Insertion-radius and ulna
Action-supination

16

What is the origin, insertion, and action of the flexor carpi radialis

Origin-humerus
Insertion-metacarpals
Action-flexion and abduction at wrist

17

What is the origin, insertion, and action of the flexor carpi ulnaris

Origin-humerus
Insertion-metacarpals
Action flexion and adduction at wrist

18

What is the origin, insertion, and action of the extensor carpi radialis longus

Origin-humerus
Insertion-metacarpals
Action-extension and abduction at wrist

19

What is the origin, insertion, and action of the extensor carpi radialis brevis

Origin-humerus
Insertion-metacarpals
Action-extension and abduction at wrist

20

What is the origin, insertion, and action of the extensor carpi ulnaris

Origin-humerus
Insertion-metacarpals
Action-extension and adduction at wrist

21

What is the origin, insertion, and action of the extensor digitorum

Origin-radius and ulna
Insertion-phalanges
Action extension at finger joints and wrist

22

What is the origin, insertion, and action of the extensor pollicis brevis

Origin-radius and ulna
Insertion-phalanges
Action-extension at carpometacarpal joint of thumb; abduction at wrist

23

What is the origin, insertion, and action of the extensor pollicis longus

Origin-radius and ulna
Insertion-phalanges
Action-extension at carpometacarpal joint of thumb; abduction at wrist

24

What is the origin, insertion, and action of the flexor digitorium superficialis

Origin-radius and ulna
Insertion-phalanges
Action-flexion at proximal interphalangeal metacarpophalangeal, and wrist joints

25

What is the origin, insertion, and action of the flexor digitorium profundus

Origin-radius and ulna
Insertion-phalanges
Action-flexion at distal interphalangeal joints and, to a lesser degree, proximal interphalangeal joints and wrist

26

What is the origin, insertion, and action of the flexor pollicis longus

Origin-radius and ulna
Insertion-phalanges
Action-flexion at carpometacarpal joint of thumb

27

Intrinsic muscles of the hand do what

-finger adduction and abduction
-finger flexion
-finger opposition and reposition

28

What is the origin, insertion, and action of the gluteus maximus

Origin-pelvis
Insertion-femur
Action-extension and lateral rotation at hip

29

What is the origin, insertion, and action of the piriformis

Origin-pelvis
Insertion-femur
Action-lateral rotation and abduction at hip

30

Adductor is which compartment of the thigh

Medial

31

What is the origin, insertion, and action of the adductor longus

Origin-pelvis and vertebrae
Insertion-femur
Action-adduction, flexion, and medial rotation at hip

32

What is the origin, insertion, and action of the adductor magnus

Origin-pelvis and vertebrae
Insertion-femur
Action-adduction at hip; superior part produces flexion and medial rotation; inferior parts produce extension and lateral rotation

33

What is the origin, insertion, and action of the iliacus

Origin-pelvis and vertebrae
Insertion-femur
Action-flexion at hip

34

What is the origin, insertion, and action of the psoas major

Origin-pelvis and vertebrae
Insertion-femur
Action-flexion at hip or lumbar intervertebral joints

35

Extensor is which compartment of the thigh

Anterior

36

Flexor is which compartment of the thigh

Posterior

37

What is the origin, insertion, and action of the biceps femoris

Origin-pelvis and femur
Insertion-tibia
Action-flexion at knee; extension and lateral rotation at hip

38

What is the origin, insertion, and action of the semimembranosus

Origin-pelvis and femur
Insertion-tibia
Action-flexion at knee; extension and medial rotation at hip

39

What is the origin, insertion, and action of the semitendinosus

Origin-pelvis and femur
Insertion-tibia
Action-flexion at knee; extension and medial rotation at hip

40

What is the origin, insertion, and action of the rectus femoris

Origin-pelvis and femur
Insertion-tibia
Action-extension at knee; flexion at hip

41

What is the origin, insertion, and action of the vastus intermedius

Origin-pelvis and femur
Insertion-tibia
Action-extension at knee

42

What is the origin, insertion, and action of the vastus lateralis

Origin-pelvis and femur
Insertion-tibia
Action-extension at knee

43

What is the origin, insertion, and action of the vastus medialis

Origin-pelvis and femur
Insertion-tibia
Action-extension at knee

44

Which part of the leg is the dorsiflexor

Anterior

45

Which part of the leg is the plantar flexor

Posterior

46

What is the origin, insertion, and action of the tibialis anterior

Origin-femur, tibia, and fibula
Insertion-tarsals and metatarsals
Action-flexion(dorsiflexion at ankle); inversion of foot

47

What is the origin, insertion, and action of the gastrocnemius

Origin-femur, tibia, and fibula
Insertion-tarsals and metatarsals
Action-extension(plantar flexion) at ankle; inversion of foot; flexion at knee

48

What is the origin, insertion, and action of the soleus

Origin-femur, tibia, and fibula
Insertion-tarsals and metatarsals
Action-extension(plantar flexion) at ankle

49

What is the origin, insertion, and action of the flexor digitorum longus

Origin-tibia and fibula
Insertion-phalanges
Action-flexion at joints of toes 2-5

50

What is the origin, insertion, and action of the flexor hallucis longus

Origin-tibia and fibula
Insertion-phalanges
Action-flexion at joints of great toe

51

What is the origin, insertion, and action of the extensor digitorum longus

Origin-tibia and fibula
Insertion-phalanges
Action-extension at joints of toes 2-5

52

What is the origin, insertion, and action of the extensor hallucis longus

Origin-tibia and fibula
Insertion-phalanges
Action-extension at joints of great toe

53

Intrinsic muscles of the foot do what

-toe adduction and abduction
-toe flexion and extension