Elbow wrist and hand bones

Question 1

3 main bones forming the elbow

Answer 1

-humerus (superior), ulna and radius(inferior)

Question 2

3 elbow articulations

Answer 2

-trochlear notch
-head of radius and capitulum of humerus
-joint between head of radius and radial notch of the ulna

Question 3

3 main ligaments in elbow

Answer 3

-radial collateral ligament (lateral), extends from lateral epicondyle to annular ligament
-ulnar collateral ligament (medial), originates from medial epicondyle, attaches to the coronoid process and olecranon of ulna
-annular ligament of radius (across)

Question 4

ranges of motion for elbow joint

Answer 4

-flexion and extension of forearm
-proximal radio-ulnar joint cause pronation and supination of forearm

Question 5

distal 4 carpal bones from thumb to pinkie

Answer 5

-trapezium, trapezoid, capitate, hamate +hook

Question 6

proximal 4 carpal bones

Answer 6

scaphoid, lunate, triquetrum, pisiform

Question 7

6 joints from distal to proximal

Answer 7

distal interphalangeal, proximal interphalangeal (4 main fingers have 3 phalanges, thumb has 2), metacarpophalangeal, carpometacarpal
-NOTE THE THUMB HAS ONE INTERPHALANGEAL JOINT RATHER THAN 2

Question 8

name for wrist joint

Answer 8

radiocarpal joint

Question 9

4 ligaments in the wrist

Answer 9

-palmer radiocarpal (lateral)
-ulnar collateral (medial)
-radial collateral (lateral)
-dorsal radiocarpal (posterior side of hand)

Question 10

2 ligaments in the finger

Answer 10

-medial and collateral ligaments between metacarpal joint and interphalangeal joint

Question 11

role of carpal tunnel (anterior)

Answer 11

-entrance for tendons and median nerve

Question 12

role of extensor retinaculum

Answer 12

-fibrous thick band that holds the extensor tendons of the wrist
-attaches laterally to lower part of anterior border of radius
-attaches mediallly to styloid process of ulna, the triquetral and pisiform

Question 13

range of motion for wrist, forearm and finger and thumb

Answer 13

-wrist, extension and flexion, ulnar and radial deviation
-forearm, supination and pronation
-finger, hyper-extension, extension, flexion. adduction and abduction

thumb- some weird ass movements, all of above including opposition

Question 14

3 bony landmarks in the elbow

Answer 14

-lateral and medial condyle
-olecranon (the main bone)