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