Bowl practice test #2
What 2 bony landmarks make up the proximal radioulnar joint?
Radial head and radial notch of ulna
Radial head and radial notch of humerus
What thumb muscles travel through the 1st dorsal compartment?
Abductor pollicis longus, extensor pollicis longus
Abductor policis longus, extensor pollicis brevis
What are the primary stabilizers of the elbow?
Humeroulnar joint- medial collateral ligament, lateral collateral ligament, OR radial collateral ligament, ulnar collateral ligament (interchangeable)
Radiocarpal- medial collateral ligament, lateral collateral ligament, OR radial collateral ligament, ulnar collateral ligament (interchangeable)
What thumb muscles create the anatomical snuff box?
Abductor pollicis longus, extensor pollicis brevis, extensor pollicis abductor
Abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus
What muscles travel through the carpal tunnel?
Flexor pollicis longus, flexor digitorum superficialis, flexor digitorum profundus
Extensor pollicis longus, extensor digitorum, extensor carpi lunaris
What carpal bone can be palpated at the base of the thumb?
Trapezoid
Triquetrum
Trapezium
Lunate
What carpal bones make up the proximal carpal row?
Scaphoid, lunate, triquetrum, pisiform (floating)
Scaphoid, lunate, trapezoid, pisiform (floating)
What is the primary muscle for forearm pronation?
Pronator quadratus
Pronator teres
What carpal bones make up the distal carpal row?
Hamate, capitate, trapezoid, triquetrum
Hamate, capitate, trapezoid, trapezium
What carpal bone can be palpated in the anatomical snuff box?
Lunate
Capitate
Scaphoid
Hamate
What is the primary muscle during elbow extension?
Medial head of biceps
Medial head of triceps
Long head of biceps
Long head of triceps
What 2 metacarpal are mobile and allow for cupping of the hand?
3 and 4
3 and 5
2 and 5
4 and 5
What structure extends from the hamate to the trapezium and is considered the root of the carpal tunnel?
Transverse carpet ligament
Transverse carpal ligament
What joint is considered the wrist and what bone make up this articulation?
Radiocarpal joint- radius, scaphoid, lunate
Glenohumeral- radius, scaphoid, lunate
What is the primary muscle during elbow flexion?
Brachioradialis
Biceps brachii
Brachialis
Triceps brachii
What 2 bony landmarks make up the humeroradial joint?
Capitulum, radial head
Capitulum, ulnar head
What is the primary muscle for supination?
Triceps brachii
Biceps brachii
What nerve travels through guyons canal?
Median
Radial
Ulnar
Axillary
What is the arthokinematic movement of the proximal radioulnar joint?
Convex on concave- opposite direction
Convex on concave- same direction
What structure in the forearm helps to maintain the space and transfers force between the radius and ulna?
Collateral membrane
Interosseous membrane
What nerve travels through the carpal tunnel?
Median
Musculocutaneous
Ulnar
Radial
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