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Flashcards in Forearm Deck (44):
1

Proximal row of carpal bones are:

Scaphoid Lunate Triquetrum Pisiform

2

Distal row of carpal bones are

Trapezium Trapezoid Capitate Hamate

3

What are Metacarpal and Carpal articulations?

Trapezium - Matacarpal 1

Trapezoid - Matacarpal 2

Capitate - Matacarpal 3

Hamate - Metacarpal 4 AND 5

4

The 2 main forearm veins are:

-Basilic vein (located medially)

-Cephalic vein (located laterally)

5

What nerve innervated posterior forearm muscles?

Radial Nerve

6

Brachioradialis originates at:

Lateral supracondylar ridge of Humerus

7

Brachioradialis inserts at: 

Proximal to Radial Styloid proccess

(on wrist)

8

Brachioradialis actions:

-Elbow flexion

-Synergist for forearm supination

9

Extensor Corpi Radialis Longus originates at:

lateral supracondylar ridge of Humerus

10

Extensor Corpi Radialis Longus inserts at:

Metacarpal #2

11

Extensor Corpi Radialis Longus actions:

-Wrist extension

-Radial deviation of wrist

12

Extensor Corpi Radialis Brevis originates at:

Lateral epicondyle of Humerus

13

Extensor Corpi Radialis Brevis inserts at:

Metacarpal #3

14

Extensor Corpi Radialis Brevis actions:

-Wrist extension

-Radial deviation of wrist

15

Extensor Digitorum Communis originates at:

Lateral epichondile of Humerus

16

Extensor Digitorum Communis inserts at:

Extensor Expansions

(middle and distal phalanges of digits 2-5)

A image thumb
17

Extensor Digitorum Communis actions

Extends digits at metacarpal-phalangeal joints

18

Extensor Digiti Minimi originates at:

Lateral epichondile of Humerus

19

Extensor Digiti Minimi inserts at:

Extensor Expansion on digit #5 (pinki)

20

Extensor Digiti Minimi actions

Extends digit #5 at metacarpal-phalangeal joint

21

Extensor Carpi Ulnaris originates at:

-Lateral epichondile of Humerus

-Posterior border of Humerus

22

Extensor Carpi Ulnaris inserts at:

Metacarpal #5

23

Extensor Carpi Ulnaris actions:

-Extends wrist

-Ulnarly deviates wrist

24

Supinator originates at:

-Lateral epichondile of Huemrus

-Supinator fossa (Ulna)

25

Supinator inserts at:

Proximal Radius

26

Supinator actions:

Supination

27

Name the 6 posterior superficial forearm muscles

-Brachioradialis

-Extensor Carpi Radialis Longus

-Extensor Carpi Radialis Brevis

-Extensor Digitorum Communis

-Extensor Digiti Minimi

-Extensor Carpi Ulnaris

28

Name the 5 posterior deep forearm muscles

-Supinator

-Abductor Pollicis Longus

-Extensor Pollicis Brevis

-Extensor Pollicis Longus

-Extensor Indicis

29

Abductor Pollicus Longus Originates at:

Posterior surface of Radius, Ulna, and interosseous membrane

30

Abductor Pollicus Longus inserts at:

Metacarpal #1

31

Abductor Pollicus Longus actions

abducts thumb

32

Extensor Pollicis Brevis originates at:

Posterior surface of Radius (does not touch Ulna)

33

Extensor Pollicus Brevis inserts at:

Proximal Phalanx of digit #1

34

Extensor Pollicus Brevis actions

Extends thumb

35

Extensor Pollicus Longus originates at:

Posterior 1/3rd of Ulna AND interosseous membrane

(does not touch radius)

36

Extensor Pollicus Longus inserts at:

Distal phalanx digit #1

37

Extensor Pollicus Longus actions

Extends thumb

38

What are the Snuffbox borders?

Anterior: Abductor Pollicis Longus

inside box: Extensor Pollicis Brevis

Posterior: Extensor Pollicis Longus

Roof: Superficial branch of radial nerve

Floor: Scaphoid and Trapezium

39

What does the Snuffbox contain?

Radial Artery

40

Extensor Indicis originates at: 

Posterior Ulna and interosseus membrane

41

Extensor Indicis inserts at:

Extensor Expansion of digit #2

42

FOOSH stands for

Falling On Outstretched Hand

43

Which bone has tenuous blood suply and can get AVN (avascular necrosis) if fractured via FOOSH?

Scafoid

44

Tennis elbow is propperly called

Lateral Epicondylalgia