chapter 11 & 12

Question 1

O=supracondylar ridge of humerus
I=base of 2nd metacarpal
A=wrist extension & radial deviation

Answer 1

Extensor carpi radialis longus

Question 2

O=lateral supracondylar ridge of the humerus (distal)
I=styloid process of radius (distal)
A=elbow flexion

Answer 2

Brachioradialis

Question 3

O=distal 1/2 of the anterior humerus
I=coronoid process/ulnar tuberosity
A=elbow flexion

Answer 3

Brachialis

Question 4

Attachment for biceps

Answer 4

Radial tuberosity

Question 5

O=lateral epicondyle of humerus
I=base of 5th metacarpal
A=wrist extension & ulnar deviation

Answer 5

Extensor carpi ulnaris

Question 6

What do the flexor carpi ulnaris & the extensor capri ulnaris do?

Answer 6

Ulnar deviation

Question 7

O=lateral epicondyle of humerus
I=base of 3rd metacarpal
A=wrist extension & assists with radial deviation

Answer 7

Extensor carpi radialis brevis

Question 8

Where does the extensor carpi radialis longus attach?

Answer 8

Supracondylar ridge

Question 9

What does the flexor carpi radialis & the extensor carpi radialis longus

Answer 9

Radial deviation

Question 10

What is a common extensor tendon attachment

Answer 10

Lateral epicondyle

Question 11

O=long head-supraglenoid tubercle
     Short head- coracoid process
I=radial tuberosity
A=assist with shoulder flexion, elbow flexion, &            
     forearm supination

Answer 11

Biceps brachii

Question 12

What are the bicep brachii & supinator

Answer 12

Supinators

Question 13

What joints superior end pivots while the distal end moves around the ulna?

Answer 13

Radioulnar joint

Question 14

Articulates with the trochlea of the humerus and is also called the semilunar notch

Answer 14

Trochlear notch

Question 15

O=lateral epicondyle of the humerus
I=lateral & inferior to olecranon process of ulna
A=not a prime mover in any joint action. Used as a
stabilizer in pronation & supination

Answer 15

Anconeous

Question 16

O=medial epicondyle of humerus
I=palmar fasica
A=assist with wrist flexion (not very strong)

Answer 16

Palmaris longus

Question 17

What joints proximal ends consists of the radius

& radioulnar disk; and the distal end made of the scaphoid, lunate, triquetrum

Answer 17

Radiocarpal joint

Question 18

What do the triceps, anconeous, & the wrist extensors do?

Answer 18

Elbow extension

Question 19

What do the extensor carpi radialis longus, the extensor carpi radialis brevis, & the extensor carpi ulnaris

Answer 19

Wrist extension

Question 20

What does the flexor carpi radialis & the flexor carpi ulnaris do?

Answer 20

Wrist flexion

Question 21

It is below the coracoid process and the attachment for the brachialis?

Answer 21

Ulnar tuberosity

Question 22

Where is the common flexor tendon attachment?

Answer 22

Medial epicondyle

Question 23

O=long head-infraglenoid tubercle
lateral head- inferior-greater tubercle of posterioir
humerus
medial head-posterior surface of humerus
I= olecranon process of ulna
A=elbow extension

Answer 23

Triceps brachii

Question 24

What are the 4 basic ligaments of the radiocarpal joint?

Answer 24

Radial collateral ligament
ulna collateral ligament
dorsal radiocarpal ligament
palmar radiocarpal ligamemt

Question 25

Articulates with the ulna?

Answer 25

Trochlea

Question 26

What protects the structures of the palms & covers tendons of the extrinsic muscles

Answer 26

Palmar fascia

Question 27

Where does the transverse carpal ligament attach?

Answer 27

Hook of the hamate

Question 28

Where does the long head triceps originate?

Answer 28

Infraglenoid tubercle

Question 29

Where do the collateral ligaments attach?

Answer 29

Styloid process

Question 30

Articulates with the olecranon process

Answer 30

Olecranon fossa

Question 31

What keeps the ulna & radius together? And serves as muscle attachment?

Answer 31

Interosseous membrane

Question 32

What is in between 2 rows of carpal bones?

Answer 32

Midcarpal or intercarpal joint

Question 33

O=medial epicondyle & coronoid process of ulna I=lateral aspect of radius at its midpoint A=pronation & assists with flexion

Answer 33

Pronator teres

Question 34

What are the 4 proximal carpal bones?

Answer 34

Scaphoid, lunate, triquetrum, & pisiform

Question 35

What are the 4 distal carpal bones?

Answer 35

Trapezium, trapezoid, capitate, & hamate

Question 36

Articulates with the radial head?

Answer 36

Capitulum

Question 37

O=lateral epicondyle of humerus & adjacent ulna I=anterior surface of proximal radius A=forearm supination

Answer 37

Supinator

Question 38

O=distal 1/4 of ulna I=distal 1/4 of radius A=forearm pronation

Answer 38

Pronator quadratus

Question 39

O=medial epicondyle of humerus I=pisiform & base of 5th metacarpal A=wrist flexion & ulnar deviation

Answer 39

Flexor carpi ulnaris

Question 40

What does the pronator quadratus & pronator teres do?

Answer 40

Forearm pronation

Question 41

Where does the long headed biceps originate?

Answer 41

Supraglenoid tubercle

Question 42

What does the brachialis, biceps brachii, brachioradialis, & wrist flexors do?

Answer 42

Elbow flexion

Question 43

What is the longitudinal axis of the humerus & forearm create this angle?

Answer 43

Carrying angle

Question 44

O=medial epicondyle of humerus I=base of 2nd & 3rd metacarpals A=wrist flexion & radial deviation

Answer 44

Flexor carpi radialis