Chapters 6 & 7 - Review Questions
How many phalanxes are there
14
How many metacarpal bones are there?
5
The number of carpal bones
8
This ligament provides a sling around the radial head for stability.
Annular ligament
Standing in anatomical position, pronate at the radioulnar joint. Is the anconeus located anteriorly or posteriorly?
Anteriorly
The wrist flexor muscles are located anteriorly or posteriorly?
Anteriorly.
The muscles that perform radioulnar pronation include all of the following except: Brachioradialis Brachialis Pronator teres Pronator quadratus
Brachialis
In the anatomical position the radius is medial with respect to the ulna.
False
The movements possible at the elbow joint.
Flexion and extension.
What is the sole action of the brachialis muscle?
Flexion of the elbow.
The flexor pollicus longus performs what action?
Flexion of the thumb
Movements possible at the wrist include:
Flexion, extension, adduction, abduction
The interphalangeal joints are what type of joint?
Ginglymus.
What is another name for hinge joint?
Ginglymus.
Tennis elbow occurs on the medial or lateral epicondyle?
Lateral epicondyle.
Name the movements possible at the radioulnar joint.
Pronation and supination.
Which is larger distally - radius or ulna?
Radius
The three bones forming the elbow joint.
Radius, ulna, humerus
This carpometacarpal joint at the thumb permits ball and socket movement.
Saddle Joint
Name the carpal bones
Scaphoid Trapezium Lunate Trapezoid Triquetrum Capitate Pisiform Hamate
The radioulnar joint is what type of joint?
Trochoid or pivot-type joint.
When performing a push-up, the biceps brachii is considered to be an antagonist muscle.
True
Which is larger proximally - the radius or ulna?
Ulna
This ligament provides medial support to prevent the elbow form abducting when stressed in physical activity.
Ulnar collateral ligament (UCL).