Muscles of Appendicular Skeleton Flashcards Preview

Anatomy & Physiology Series > Muscles of Appendicular Skeleton > Flashcards

Flashcards in Muscles of Appendicular Skeleton Deck (126)
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1

Teres major

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

2

Flexor Carpi Radialis

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

3

Gluteus minimus

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

4

Extensor carpi radialis
Brevis & longus

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

5

Trapezius

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

6

Coracobrachialis

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

7

Piriformis

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

8

Pectoralis minor

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

9

Palmaris longus

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

10

Supraspinatus

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

11

Piriformis

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

12

Palmaris longus

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

13

Flexor carpi

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

14

Teres minor 

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

15

Deltoid

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

16

Infraspinatus

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

17

Flexor Carpi Radialis

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

18

Biceps brachii

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

19

Coracobrachialis

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

20

Coracobrachialis

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

21

Subscapularis

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

22

Gluteus minimus

•Action: Abduct & medially rotate thigh

•Origin: Inferior surface of ilium

•Insertion: Greater trochanter of femur 

23

Tibialis posterior

Action: Inversion, plantar flexion

Origin: Superior tibia & fibula

Insertion: Tarsals & metatarsals 2-4 

24

Deltoid

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

25

Coracobrachialis

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

26

Brachioradialis

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

27

Tibialis posterior

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

28

Teres major

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

29

Pectoralis major

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

30

Popliteus

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