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> Anatomy Forearm
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Quiz Anatomy Forearm
by
Amazinga
Amazinga
1 237 played -
9 yrs ago
Muscles and bones of the forearm
QUIZ
30 QUESTIONS
medium
1
Which muscles act primarily on the elbow (olecranon process)?
Biceps brachii and brachialis
Brachialis and brachioradialis
Extensor carpi radialis longus and anconeus
2
Extensor carpi radialis longus and brevis, extensor carpi ulnaris and extensor digitorum all share which attachment site?
The common extensor tendon from the lateral epicondyle of the humerus
Base of fifth metacarpal
Posterior surface of distal shaft of ulna
3
Which muscle group is responsible for adducting the fingers?
Palmaris longus
Palmar interossei
Flexor digitorum superficialis
4
The flexors are located on the___________ side of the forearm.
Lateral
Posterior
Anterior
5
Which muscles create the pivoting action between the radius and the ulna?
Supinator, anconeus and brachioradialis
Pronator teres, brachioradialis and extensor carpi ulnaris
Pronator teres, pronator quadratus and supinator
6
Which muscle has an origin on the proximal end of the lateral supracondylar ridge of the humerus and an insertion on the styloid process of the radius?
Pronator quadratus
Brachioradialis
Supinator
7
What action(s) does the extensor inidicis perform?
Extend the second finger
Adduct the second finger
Both a and b
8
The olecranon process serves as an attachment site for which muscle?
Anconeus
Supinator
Brachioradialis
9
The _________ is the strong, thin fribrous sheet that binds the radius and ulna together.
Carpal tunnel
Flexor retinaculum
Interosseous membrane
10
What action(s) does the extensor carpi ulnaris perform?
Adduct the wrist
Extend the 2nd through 5th fingers
Both a and b
11
The flexors are ______ and more ______ than the extensors.
Thin and tendonous
Thicker and pliable
Tendonous and rigid
12
Which muscle has its origin as the capitate and the 2nd metacarpal, and its insertion as the base of the proximal phlanax of the thumb (pollicis)?
Adductor pollicis
Extensor digitorum
Opponens pollicis
13
What action(s) do the flexor digitorum muscles perform?
Tense the palmar fascia
Flex the 2nd through 5th fingers
Flex the pollicis
14
Pronation occurs at which joint?
Metacarpophalangeal
Glenohumeral joint
Radioulnar joint
15
Abductor pollicis brevis_________________ the thumb.
Flexes
Extends
Abducts and assists in opposition of
16
The ___________________ is a continuation of the antebrachial fascia that stretches superficially across the palm of the hand.
Interosseous membrane
Palmar aponuerosis
Annular ligament
17
What causes the "funny bone" reaction when you bump your elbow?
Ulnar nerve
Radial collateral ligament
Flexor retinaculum
18
The hypothenar eminence is located proximal to which phalange?
Pinkie (digiti minimi)
3rd phalange
Thumb (pollicis)
19
Which muscle group resides on the posterior (lateral) side of the forearm?
Extensors
Supinators
Flexors
20
The palmar aponeurosis servers as an attachment site for which tendon?
Palmaris longus tendon
Flexor carpi ulnaris tendon
Abductor digiti minimi
21
Which muscle group is responsible for abducting and flexing the 2nd, 3rd, 4th and 5th fingers at the metacarpophalangeal joints?
Flexor digitorum superficialis
Dorsal interossei
Extensor carpi radialis
22
The wrist joint is called the___________ joint.
Radioulnar
Radiocarpal
Metacarpophalangeal
23
Which muscle, partially responsible for opposition, has its origin as the hamate and flexor retinaculum and its insertion as the shaft of the 5th metacarpal and ulnar surface?
Flexor pollicis brevis
Dorsal interossei
Opponens digiti minimi
24
Which muscle has the origins of the lateral epicondyle of the humerus, radial collateral ligament, annular ligament and the supinator crest of the ulna, and the insertion of the anterior, lateral surface of the proximal end of the radial shaft?
Extensor indicis
Flexor carpi radialis
Supinator
25
The _________ __________ is an antagonist to the biceps brachii and the supinator.
Pronator teres
Supinator
Flexor carpi radialis
26
The muscles responsible for extending the elbow joint are the ___________ and __________.
Extensor carpi radialis and brachioradialis
Biceps brachii and brachialis
Triceps brachii and anconeus
27
The flexor carpi ulnaris, flexor digitorum superficialis, flexor carpi radialis and the palmairs lingus all share what attachment site in common?
Common flexor tendon from the medial epicondyle of the humerus
Flexor retinaculum
Bases of distal phalanges
28
What features of the wrist form the carpal tunnel?
The carpal bones and the ulnar nerve
Interosseous membrane and the carpal bones
Flexor retinaculum and the carpal bones
29
The ________ ________ has four long, superficial tendons stretching along the dorsal surface of the hands.
Pronator teres
Extensor digitorum
Flexor carpi ulnaris
30
How many muscles act upon the thumb (pollicis)?
3
8
5
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Generated on 6 Feb, 23h23