Chapter 6

Question 1

Elbow joint:

Answer 1

Hinge joint and Pivot joint

Question 2

Movements of the Hinge joint are

Answer 2

Flexion and extension

Question 3

Movements of the Pivot joint are

Answer 3

Pronation ans supination

Question 4

Trochlear and Trochlear notch articulate together

Answer 4

True

Question 5

Trochlear notch locates between

Answer 5

Olecranon process (you put this part on the table) and Coronoid process (inside of the elbow)

Question 6

Trochlear and Trochlear notch create

Answer 6

An elbow joint

Question 7

Hinge joint produce only sagittle plane movements

Answer 7

True

Question 8

Capitulum articulates with a Radial head

Answer 8

True

Question 9

Hinge joint consists of…

Answer 9

Trochlear and Trochlear notch create
Capitulum and Radial head

Question 10

Radial head articulates on the radial notch on the ulna

Answer 10

True

Question 11

Ulnar notch articulates on the Ulnar notch on the Radius

Answer 11

True

Question 12

Pivot joint consists of

Answer 12

Radial head - Ulna
Ulnar head - Radius

Question 13

Supination

Answer 13

Radius crosses over the Ulnar

Question 14

Pronation

Answer 14

The two bones are parallel to each other

Question 15

Lateral (Radial) collateral legament

Answer 15

Varus force

Question 16

Medial (Ulnar) collateral legament

Answer 16

Valgus force

Question 17

Annular ligament

Answer 17

It helps keep the redial head in tact when it pro/supination

Question 18

Anterior muscles

Answer 18

Biceps brachii muscle
Coracobrachialis muscle
Brachialis muscle

Question 19

Anterior muscles have in common

Answer 19

They flex the elbow
They innervates by the musclocutaneous nerve C6

Question 20

Posterior muscle

Answer 20

Tricens brachii muscle

Question 21

Tricens brachii muscle

Answer 21

It extends the elbow
it innervates by the Radial nerve C7

Question 22

Biceps brachii muscle actions:

Answer 22

Elbow flexion
Supination of the forearm

Question 23

Coracobrachialis muscle action

Answer 23

It helps adduct the humorous at the glenohumeral joint and flex it

Question 24

Brachialis muscle action:

Answer 24

True flection of the elbow

Question 25

Tricens brachii muscle has three heads

Answer 25

Long head would mostly extends the elbow, but also helps adduct and horizontal adduction

Question 26

Brachioradialis Muscle actions

Answer 26

Flexion of elbow Pronation from supinated position to neutral Supination from pronated position to neutral