Muscles of Appendicular Skeleton Flashcards Preview

Anatomy & Physiology Series > Muscles of Appendicular Skeleton > Flashcards

Flashcards in Muscles of Appendicular Skeleton Deck (126):
1

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Teres major

  • Action: Extend, rotate, adduct humerus
  • Origin: Posterior & inferior angle of scapula
  • Insertion: Intertubercle sulcus of humerus

2

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Flexor Carpi Radialis

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmer aponeurosis

3

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Gluteus minimus

  • Action: Abduct & medially rotate thigh
  • Origin: Inferior surface of ilium
  • Insertion: Greater trochanter of femur 

4

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Extensor carpi radialis
Brevis & longus

  • Action: Extend & abduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpals 2 and 3

5

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Trapezius

  • Action: Extends head, moves scapula
  • Origin: Occiput, spinous process of C7-T12
  • Insertion: Scapular spine & acromion process, lateral clavicle 

6

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Coracobrachialis

  • Action: Adduction & flexion of shoulder
  • Origin: Coracoid process
  • Insertion: Shaft of humerus

7

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Piriformis

  • Action: Lateral rotation & abduction of hip
  • Origin: Sacrum
  • Insertion: Greater trochanger of femur 

8

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Pectoralis minor

  • Action: Draws scapula forward
  • Origin: Anterior surface of ribs 3-5
  • Insertion: Coracoid process of scapula 

9

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Palmaris longus

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmar aponeurosis

10

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Supraspinatus

  • Action: Abduct humerus
  • Origin: Supraspinous fossa
  • Insertion: Greater tubercle of humerus

11

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Piriformis

  • Action: Lateral rotation & abduction of hip
  • Origin: Sacrum
  • Insertion: Greater trochanger of femur 

12

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Palmaris longus

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmar aponeurosis

13

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Flexor carpi

  • Action: Flexion & adduction of wrist
  • Origin: Medial epicondyle of humerus & olecranon of ulna
  • Insertion: Pisiform, hamate, and 5th metacarpal 

14

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Teres minor 

  • Action: Rotate humerus
  • Origin: Lateral margin of scapula
  • Insertion: Greater tubercle of humerus

15

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Deltoid

  • Action: Adduct humerus
  • Origin: Clavicle, acromion & spine of scapula
  • Insertion: Deltoid tuberosity 

16

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Infraspinatus

  • Action: Rotate humerus
  • Origin: Infraspinous fossa
  • Insertion: Greater tubercle of humerus

17

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Flexor Carpi Radialis

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmer aponeurosis

18

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Biceps brachii

  • Action: Flexion of elbow & supination of forearm
  • Origin: Coracoid process, glenoid cavity, intertubercle sulcus
  • Insertion: Radial tuberosity 

19

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Coracobrachialis

  • Action: Adduction & flexion of shoulder
  • Origin: Coracoid process
  • Insertion: Shaft of humerus

20

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Coracobrachialis

  • Action: Adduction & flexion of shoulder
  • Origin: Coracoid process
  • Insertion: Shaft of humerus

21

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Subscapularis

  • Action: Rotate humerus
  • Origin: Subscapular fossa
  • Insertion: Lesser tubercle of humerus

22

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Gluteus minimus

•Action: Abduct & medially rotate thigh

•Origin: Inferior surface of ilium

•Insertion: Greater trochanter of femur 

23

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Tibialis posterior

Action: Inversion, plantar flexion

Origin: Superior tibia & fibula

Insertion: Tarsals & metatarsals 2-4 

24

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Deltoid

  • Action: Adduct humerus
  • Origin: Clavicle, acromion & spine of scapula
  • Insertion: Deltoid tuberosity 

25

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Coracobrachialis

  • Action: Adduction & flexion of shoulder
  • Origin: Coracoid process
  • Insertion: Shaft of humerus

26

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Brachioradialis

  • Action: Synergist of elbow flexion
  • Origin: Distal humerus
  • Insertion: Styloid process of radius 

27

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Tibialis posterior

  • Action: Inversion, plantar flexion
  • Origin: Superior tibia & fibula
  • Insertion: Tarsals & metatarsals 2-4 

28

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Teres major

  • Action: Extend, rotate, adduct humerus
  • Origin: Posterior & inferior angle of scapula
  • Insertion: Intertubercle sulcus of humerus

29

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Pectoralis major

  • Action: Flexes & adducts arm
  • Origin: Clavicle, sternum, ribs 1-6
  • Insertion: Intertubercle sulcus of humerus

30

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Popliteus

  • Action: Medial flexion & rotate knee
  • Origin: Lateral condyle of femur
  • Insertion: Proximal tibia 

31

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Latissimus doris

  • Action: Extend, abduct, & rotate arm
  • Origin: Spinous process T6-L5
  • Insertion: Intertubercle sulcus of humerus

32

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Extensor carpi ulnaris

  • Action: Extend & adduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpal 5

33

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Palmaris longus

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmar aponeurosis

34

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Extensor carpi radialis
Brevis & longus

  • Action: Extend & abduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpals 2 and 3

35

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Gluteus medius

  • Action: Abduct & medially rotate thigh
  • Origin: Upper surface ilium
  • Insertion: Greater trochanter of femur 

36

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Triceps brachii

  • Action: Forearm extension
  • Origin: Glenoid cavity, radial groove of humerus
  • Insertion: Olecranon process of ulna 

37

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Latissimus doris

  • Action: Extend, abduct, & rotate arm
  • Origin: Spinous process T6-L5
  • Insertion: Intertubercle sulcus of humerus

38

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Extensor digitorum

  • Action: Finger extension
  • Origin: Lateral epicondyle of humerus
  • Insertion: Distal phalanges 2-5

39

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Subscapularis

  • Action: Rotate humerus
  • Origin: Subscapular fossa
  • Insertion: Lesser tubercle of humerus

40

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Infraspinatus

  • Action: Rotate humerus
  • Origin: Infraspinous fossa
  • Insertion: Greater tubercle of humerus

41

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Popliteus

  • Action: Medial flexion & rotate knee
  • Origin: Lateral condyle of femur
  • Insertion: Proximal tibia 

42

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Trapezius

  • Action: Extends head, moves scapula
  • Origin: Occiput, spinous process of C7-T12
  • Insertion: Scapular spine & acromion process, lateral clavicle 

43

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Flexor carpi

  • Action: Flexion & adduction of wrist
  • Origin: Medial epicondyle of humerus & olecranon of ulna
  • Insertion: Pisiform, hamate, and 5th metacarpal 

44

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Pectoralis major

  • Action: Flexes & adducts arm
  • Origin: Clavicle, sternum, ribs 1-6
  • Insertion: Intertubercle sulcus of humerus

45

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Brachialis 

  • Action: Flexor of elbow
  • Origin: Distal anterior of humerus
  • Insertion: Coronoid process

46

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Rhomboids

  • Action: Pulls scapula medially
  • Origin: Spinous processes of C7-T3
  • Insertion: Medial border of scapula 

47

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Teres minor 

  • Action: Rotate humerus
  • Origin: Lateral margin of scapula
  • Insertion: Greater tubercle of humerus

48

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Triceps brachii

  • Action: Forearm extension
  • Origin: Glenoid cavity, radial groove of humerus
  • Insertion: Olecranon process of ulna 

49

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Gluteus medius

  • Action: Abduct & medially rotate thigh
  • Origin: Upper surface ilium
  • Insertion: Greater trochanter of femur 

50

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Extensor carpi ulnaris

  • Action: Extend & adduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpal 5

51

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Rhomboids

  • Action: Pulls scapula medially
  • Origin: Spinous processes of C7-T3
  • Insertion: Medial border of scapula 

52

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Extensor digitorum

  • Action: Finger extension
  • Origin: Lateral epicondyle of humerus
  • Insertion: Distal phalanges 2-5

53

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Teres minor 

  • Action: Rotate humerus
  • Origin: Lateral margin of scapula
  • Insertion: Greater tubercle of humerus

54

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Palmaris longus

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmar aponeurosis

55

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Flexor Carpi Radialis

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmer aponeurosis

56

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Infraspinatus

  • Action: Rotate humerus
  • Origin: Infraspinous fossa
  • Insertion: Greater tubercle of humerus

57

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Supraspinatus

Action: Abduct humerus

Origin: Supraspinous fossa

Insertion: Greater tubercle of humerus

58

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Pectoralis minor

  • Action: Draws scapula forward
  • Origin: Anterior surface of ribs 3-5
  • Insertion: Coracoid process of scapula 

59

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Pronator Teres

  • Action: Pronation of forearm
  • Origin: Medial epicondyle of humerus, coronoid process of ulna
  • Insertion: Radius 

60

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Biceps brachii

  • Action: Flexion of elbow & supination of forearm
  • Origin: Coracoid process, glenoid cavity, intertubercle sulcus
  • Insertion: Radial tuberosity 

61

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Extensor carpi ulnaris

  • Action: Extend & adduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpal 5

62

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Triceps brachii

  • Action: Forearm extension
  • Origin: Glenoid cavity, radial groove of humerus
  • Insertion: Olecranon process of ulna 

63

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Extensor carpi radialis
Brevis & longus

  • Action: Extend & abduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpals 2 and 3

64

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Deltoid

  • Action: Adduct humerus
  • Origin: Clavicle, acromion & spine of scapula
  • Insertion: Deltoid tuberosity 

65

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Gluteus medius

  • Action: Abduct & medially rotate thigh
  • Origin: Upper surface ilium
  • Insertion: Greater trochanter of femur 

66

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Pronator Teres

  • Action: Pronation of forearm
  • Origin: Medial epicondyle of humerus, coronoid process of ulna
  • Insertion: Radius 

67

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Biceps brachii

  • Action: Flexion of elbow & supination of forearm
  • Origin: Coracoid process, glenoid cavity, intertubercle sulcus
  • Insertion: Radial tuberosity 

68

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Teres major

  • Action: Extend, rotate, adduct humerus
  • Origin: Posterior & inferior angle of scapula
  • Insertion: Intertubercle sulcus of humerus

69

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Rhomboids

  • Action: Pulls scapula medially
  • Origin: Spinous processes of C7-T3
  • Insertion: Medial border of scapula 

70

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Extensor digitorum

  • Action: Finger extension
  • Origin: Lateral epicondyle of humerus
  • Insertion: Distal phalanges 2-5

71

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Pectoralis major

  • Action: Flexes & adducts arm
  • Origin: Clavicle, sternum, ribs 1-6
  • Insertion: Intertubercle sulcus of humerus

72

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Teres major

  • Action: Extend, rotate, adduct humerus
  • Origin: Posterior & inferior angle of scapula
  • Insertion: Intertubercle sulcus of humerus

73

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Tibialis posterior

  • Action: Inversion, plantar flexion
  • Origin: Superior tibia & fibula
  • Insertion: Tarsals & metatarsals 2-4 

74

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Pectoralis major

  • Action: Flexes & adducts arm
  • Origin: Clavicle, sternum, ribs 1-6
  • Insertion: Intertubercle sulcus of humerus

75

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Piriformis

  • Action: Lateral rotation & abduction of hip
  • Origin: Sacrum
  • Insertion: Greater trochanger of femur 

76

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Brachioradialis

  • Action: Synergist of elbow flexion
  • Origin: Distal humerus
  • Insertion: Styloid process of radius 

77

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Pectoralis minor

  • Action: Draws scapula forward
  • Origin: Anterior surface of ribs 3-5
  • Insertion: Coracoid process of scapula 

78

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Supraspinatus

  • Action: Abduct humerus
  • Origin: Supraspinous fossa
  • Insertion: Greater tubercle of humerus

79

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Popliteus

  • Action: Medial flexion & rotate knee
  • Origin: Lateral condyle of femur
  • Insertion: Proximal tibia 

80

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Gluteus minimus

  • Action: Abduct & medially rotate thigh
  • Origin: Inferior surface of ilium
  • Insertion: Greater trochanter of femur 

81

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Subscapularis

  • Action: Rotate humerus
  • Origin: Subscapular fossa
  • Insertion: Lesser tubercle of humerus

82

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Brachialis 

  • Action: Flexor of elbow
  • Origin: Distal anterior of humerus
  • Insertion: Coronoid process

83

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Brachioradialis

  • Action: Synergist of elbow flexion
  • Origin: Distal humerus
  • Insertion: Styloid process of radius 

84

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Pronator Teres

  • Action: Pronation of forearm
  • Origin: Medial epicondyle of humerus, coronoid process of ulna
  • Insertion: Radius 

85

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Flexor carpi

  • Action: Flexion & adduction of wrist
  • Origin: Medial epicondyle of humerus & olecranon of ulna
  • Insertion: Pisiform, hamate, and 5th metacarpal 

86

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Tibialis posterior

  • Action: Inversion, plantar flexion
  • Origin: Superior tibia & fibula
  • Insertion: Tarsals & metatarsals 2-4 

87

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Soleus

  • Action: Plantar flexion
  • Origin: Proximal tibia & fibula
  • Insertion: Calcaneus 

88

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Soleus

  • Action: Plantar flexion
  • Origin: Proximal tibia & fibula
  • Insertion: Calcaneus 

89

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Soleus

  • Action: Plantar flexion
  • Origin: Proximal tibia & fibula
  • Insertion: Calcaneus 

90

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Gastrocnemius

  • Action: Plantar flexion
  • Origin: Medial & lateral condyle of femur
  • Insertion: Calcaneus 

91

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Gastrocnemius

  • Action: Plantar flexion
  • Origin: Medial & lateral condyle of femur
  • Insertion: Calcaneus 

92

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Gastrocnemius

  • Action: Plantar flexion
  • Origin: Medial & lateral condyle of femur
  • Insertion: Calcaneus 

93

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Extensor digitorum longus

  • Action: Toe extension, dorsiflexion
  • Origin:Lateral condyle of tibia & proximal fibula
  • Insertion: Middle & distal phalanges of toes 2-5

94

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Extensor digitorum longus

  • Action: Toe extension, dorsiflexion
  • Origin:Lateral condyle of tibia & proximal fibula
  • Insertion: Middle & distal phalanges of toes 2-5

95

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Extensor digitorum longus

  • Action: Toe extension, dorsiflexion
  • Origin:Lateral condyle of tibia & proximal fibula
  • Insertion: Middle & distal phalanges of toes 2-5

96

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Tibialis anterior

  • Action: Dorsiflexion & inversion
  • Origin: Lateral condyle of tibia & interosseous membrane
  • Insertion: Cuneiform & metatarsal 1

97

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Tibialis anterior

  • Action: Dorsiflexion & inversion
  • Origin: Lateral condyle of tibia & interosseous membrane
  • Insertion: Cuneiform & metatarsal 1

98

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Tibialis anterior

  • Action: Dorsiflexion & inversion
  • Origin: Lateral condyle of tibia & interosseous membrane
  • Insertion: Cuneiform & metatarsal 1

99

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Fibularis (peroneus) longus

  • Action: Plantar flexion
  • Origin: Proximal fibula
  • Insertion: Metatarsal 1 & medial cuneiform

100

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Fibularis (peroneus) longus

  • Action: Plantar flexion
  • Origin: Proximal fibula
  • Insertion: Metatarsal 1 & medial cuneiform

101

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Fibularis (peroneus) longus

  • Action: Plantar flexion
  • Origin: Proximal fibula
  • Insertion: Metatarsal 1 & medial cuneiform

102

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Fibularis (peroneus) brevis

  • Action: Plantar flexion
  • Origin: Distal fibula
  • Insertion: Metatarsal 5

103

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Fibularis (peroneus) brevis

  • Action: Plantar flexion
  • Origin: Distal fibula
  • Insertion: Metatarsal 5

104

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Fibularis (peroneus) brevis

  • Action: Plantar flexion
  • Origin: Distal fibula
  • Insertion: Metatarsal 5

105

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Gluteus maximus

  • Action: Thigh extensor
  • Origin: Ilium, sacrum, coccyx
  • Insertion: Gluteal tuberosity of femur 

106

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Gluteus maximus

  • Action: Thigh extensor
  • Origin: Ilium, sacrum, coccyx
  • Insertion: Gluteal tuberosity of femur 

107

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Gluteus maximus

  • Action: Thigh extensor
  • Origin: Ilium, sacrum, coccyx
  • Insertion: Gluteal tuberosity of femur 

108

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Tensor Fasciae Latae

  • Action: Flex, abduct, & medially rotate thigh
  • Origin: Iliac crest & ASIS
  • Insertion: Fasciae lateral, iliotibial tract (IT band) 

109

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Tensor Fasciae Latae

  • Action: Flex, abduct, & medially rotate thigh
  • Origin: Iliac crest & ASIS
  • Insertion: Fasciae lateral, iliotibial tract (IT band) 

110

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Tensor Fasciae Latae

  • Action: Flex, abduct, & medially rotate thigh
  • Origin: Iliac crest & ASIS
  • Insertion: Fasciae lateral, iliotibial tract (IT band) 

111

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 Sartorius 

  • Action: Flex knee, abduct & laterally rotate thigh
  • Origin: ASIS
  • Insertion: Proximal tibia 

 

112

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 Sartorius 

  • Action: Flex knee, abduct & laterally rotate thigh
  • Origin: ASIS
  • Insertion: Proximal tibia 

113

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 Sartorius 

  • Action: Flex knee, abduct & laterally rotate thigh
  • Origin: ASIS
  • Insertion: Proximal tibia 

114

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Iliacus

  • Action: Flexion of hip
  • Origin: Iliac fossa
  • Insertion: Just inferior to lesser trochanter of femur 

115

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Iliacus

  • Action: Flexion of hip
  • Origin: Iliac fossa
  • Insertion: Just inferior to lesser trochanter of femur 

116

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Iliacus

  • Action: Flexion of hip
  • Origin: Iliac fossa
  • Insertion: Just inferior to lesser trochanter of femur 

117

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Psoas major

  • Action: Flexion at hip or lumbar intervertebrals
  • Origin: Transverse process of T12-L5
  • Insertion: Lesser trochanter of femur 

118

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Psoas major

  • Action: Flexion at hip or lumbar intervertebrals
  • Origin: Transverse process of T12-L5
  • Insertion: Lesser trochanter of femur

119

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Psoas major

  • Action: Flexion at hip or lumbar intervertebrals
  • Origin: Transverse process of T12-L5
  • Insertion: Lesser trochanter of femur

120

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Adductors
Magnus, longus, & brevis

  • Action: Adduct, medially rotate, & flex thigh
  • Origin: Ischium, pubis
  • Insertion: Linea aspera, adductor tubercle 

121

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Adductors
Magnus

  • Action: Adduct, medially rotate, & flex thigh
  • Origin: Ischium, pubis
  • Insertion: Linea aspera, adductor tubercle 

122

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Adductors
Longus

  • Action: Adduct, medially rotate, & flex thigh
  • Origin: Ischium, pubis
  • Insertion: Linea aspera, adductor tubercle 

123

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Adductors
Brevis

  • Action: Adduct, medially rotate, & flex thigh
  • Origin: Ischium, pubis
  • Insertion: Linea aspera, adductor tubercle 

124

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Gracilis

  • Action: Adduct thigh, medially rotate, & flex knee
  • Origin: Inferior ramus & pubis
  • Insertion: Medial tibia 

125

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Gracilis

  • Action: Adduct thigh, medially rotate, & flex knee
  • Origin: Inferior ramus & pubis
  • Insertion: Medial tibia 

126

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Gracilis

  • Action: Adduct thigh, medially rotate, & flex knee
  • Origin: Inferior ramus & pubis
  • Insertion: Medial tibia