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Anatomy Test 1- Forearm
Forearm
20
Anatomy
Professional
09/21/2011

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Cards

Term
What results in a Colles' fracture?
Definition
FOOSH- fall on outstretched hand
Fracture of distal aspect of radius with posterior displacement of radius
Term
What vein is commonly used for venipuncture? Where is it located?
Definition
Median cubital; superficial to cubital fossa
Term
What is the primary (and most powerful) supinator of the forearm?
Definition
Biceps Brachii (elbow must be flexed)
Term
Name the main flexor of the forearm
Definition
Brachialis
Term
Name the divisions of the brachial artery where it splits at the region of the cubital fossa.
Definition
Radial artery
Ulnar artery
Term
List the nerves and their neuromuscular relationships in the forearm
Definition
Radial- posterior compartment and brachioradialis
Ulnar- flexor carpi ulnaris, ulnar half of flexor digitorum profundus
Median- pronator teres, flexor carpi radialis , palmaris longus, flexor carpi ulnaris, flexor digitorum, superficialis, flexor digitorum profundus, radial hlaf of the flexor digitorum profundus
Term
What is the characteristic clinical sign of a radial nerve injury at the level of the radial groove of the humerus?
Definition
Drop wrist
Term
What muscle(s) flex the middle phalanges?... Distal phalanges?
Definition
PIP (middle)- Flexor digitorum superficialis
DIP-flexor digitorum profundus
Term
Which muscle is the prime mover in pronation?
Definition
Pronator quadratus
Term
What nerve(s) is/are compromised when a person has trouble pronating his/her forearm?
Definition
Median nerve
Term
List the muscles that extend and abduct or adduct the hand at the wrist joint. Identify their main functions.
Definition
Extensor carpi radialis longus- ABD, ext
Extensor carpi radialis brevis-ABD , ext
Extensor carpi ulnaris-ADD, ext
Term
List the muscles that extend the medial four digits
Definition
Extensor digitorum
Extensor digiti minimi
Extensor indicis
Term
List the muscles that extend or abduct the 1st digit, or the thumb.
Definition
Extensor pollicis longus
Extensor pollicis brevis
Abductor pollicis longus
Term
What prevents bowstringing of the extensor tendons when the hand is hyperextended?
Definition
Extensor retinaculum
Term
Tingling sensations and pain on the lateral side of the hand is due to the compression of what nerve? Where does this nerve pass through to enter the hand?
Definition
Median nerve; Carpal tunnel
Term
What structures accompany the nerve- Median nerve?
Definition
4 Flexor digitorum superficialis
4 flexor digitorum profundus
1 flexor pollicis longus
Term
List the main arteries supplying the forearm muscles?
Definition
Radial and ulnar arteries
Term
What nerve is at risk when the "funny bone" is hit or injured?
Definition
Ulnar nerve
Term
A knife wound on the palm at the level of the extended thumb injures what artery on the palm? The artery is the terminal continuation of what artery?
Definition
Superficial palmar arch; Ulnar artery
Term
Where is the radial pulse taken?
Definition
Distal forearm on lateral aspect , lateral to flexor carpi radialis
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