mus. elbow Flashcards Preview

deanne's - muscluoskeletal anatomy > mus. elbow > Flashcards

Flashcards in mus. elbow Deck (10):
1

biceps brachii

 

o/2 heads-2

i/2

 

Q image thumb

o/

Long head

  • supraglenoid tubercle (of scapula)

Short head

  • coracoid process (of scapula)

i/

  • Radial tuberosity

Fascial insertion

  • bicipital aponeurosis (which links to facia components of flexor muscles of forearm)

2

biceps brachii

 

a/3

Q image thumb

a/

  • Flex the elbow ~ main action
  •  
  • Shoulder flex
  • Supinates forearm

3

brachialis

 

o/1

i/2

 

Q image thumb

o/

  • (Anterior surface of) distal half of humerus

i/

  • Coronoid process of ulna
  • ulna tuberosity

4

brachialis

 

a/1

Q image thumb

a/

  • Flex elbow

5

triceps brachii

 

O/3 -3heads

I/1

 

Q image thumb

o/

Long

  • infra glenoid tubercle (of scapula)

Lateral

  • (upper half of) posterior surface of humerus

Medial

  • (lower half of ) posterior surface of humerus

i/

All heads converge into

  • (tricep tendon and) insert into olecranon process

 

6

triceps brachii

 

a/1 + long head 2

Q image thumb

a/

All 3

  • extend elbow

Long head

  • adduction
  • extension (of shoulder)

7

brachioradialis 

 

o/1

i/1

 

Q image thumb

o/

  • Upper 2/3 of lateral supracondylar ridge

i/

  • Proximal to styloid process of radius

8

brachioradialis 

 

a/3

 

Q image thumb

a/

  • Flex elbow
  • Pronate forearm (when fully supinated)
  • supinate forearm (when fully pronated)

9

pronator teres

 

o/2

i/1

 

Q image thumb

o/

  • Medial epicondyle of humerus
  • Coronoid process of ulna

i/

  • (Middle of) lateral surface of radius

10

pronator teres

 

a/1 and assists

Q image thumb

a/

  • Pronates forearm

Assists

  • flexion of elbow