Flashcards in Appendicular Muscles Deck (53):

1

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

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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

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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

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Origin-axial skeleton and pectoral girdle

Insertion-humerus

Action-abduction at shoulder

4

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

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Origin-axial skeleton and pectoral girdle

Insertion-humerus

Action-medial rotation at shoulder

5

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

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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

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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

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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

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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

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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

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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

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Origin-pectoral girdle and humerus

Insertion-radius and ulna

Action-pronation

14

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

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Origin-pectoral girdle and humerus

Insertion-radius and ulna

Action-pronation

15

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

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Origin-pectoral girdle and humerus

Insertion-radius and ulna

Action-supination

16

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

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Origin-humerus

Insertion-metacarpals

Action-flexion and abduction at wrist

17

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

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Origin-humerus

Insertion-metacarpals

Action flexion and adduction at wrist

18

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

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Origin-humerus

Insertion-metacarpals

Action-extension and abduction at wrist

19

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

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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

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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

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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

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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

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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

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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

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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

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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

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Origin-pelvis and femur

Insertion-tibia

Action-extension at knee

42

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

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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

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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

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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

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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