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81 Cards in this Set
- Front
- Back
Carpal or Carpus |
Other names for wrist |
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Deep concave ; Ventral (anterior) |
Arrangement of the bones in the wrist forms a _________ groove on the ________ aspect of the wrist |
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Flexor Retinaculum |
The deep concave groove of the wrist is roofed over by what structure? |
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Scaphoid |
Largest bone in the proximal row of the wrist |
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Scaphoid Lunate Triquetrum Pisiform |
What are the bones of the proximal row of the wrist? |
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Lunate |
Crescent shaped bone of the wrist |
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Triquetrum |
Most medial bone in the proximal row |
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Pisiform |
What bone is anterior to the triquetrum? |
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Trapezium Trapezoid Capitate Hamate |
What are the bones in the distal row of the wrist? |
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Trapezium |
This bone forms a saddle joint with the first metacarpal allowing the great mobility of the thumb |
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Capitate |
This bones sits in the concavity created by the scaphoid and lunate |
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Capitate |
This is the central and largest carpal bone |
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Hamate |
This is the most medial carpal bone in the distal row |
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Flexor Retinaculum |
This is a thickening of the deep fascia in the anterior portion of the wrist region |
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Flexor retinaculum |
This converts the concave anterior surface of the wrist into carpal tunnel |
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Transvers carpal ligament |
The other name of flexor retinaculum |
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Palmar aponeurosis |
The distal border of the flexor retinaculum is attached to what structure? |
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Pisiform bone and the hook of hamate |
What is the attachment of the flexor retinaculum in the medial side? |
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Scaphoid tubercle and trapezium |
What is the attachment of the flexor retinaculum in the lateral side? |
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Extensor retinaculum |
This is a thickening of the deep fascia in the posterior portion of the wrist region |
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Flexor Carpi Ulnaris Ulnar Nerve Ulnar Artery Palmar cutaneous branch of the ulnar nerve Palmaris Longus Tendon Palmar cutaneous branch of the median nerve |
What are the structure that pass superficially (on top) the carpal tunnel? Enumerate from medial to lateral. |
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Flexor digitorum superficialis tendons and (deeper) tendons of flexor digutorum profundus Median Nerve Flexor Policis Longus Tendon Flexor Carpi Radialis Tendon |
What are the structures passing deep (within) the carpal tunnel? Enumerate from medial to lateral. |
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Dorsal cutaneous branch of the ulnar nerve Basilic vein Cephalic vein Superficial branch of the radial nerve |
What are the structures passing superficially the extensor retinaculum? From medial to lateral |
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Extensor carpi ulnaris tendon Extensor digiti minimi Extensor digitorum and extensor indicis tendon Extensor policis longus tendon Extensor carpi radialis longus and brevis tendons Abductor policis longus and extensor policis brevis tendons |
What are the structures that pass deep the extensor retinaculum? From medial to lateral |
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Median Nerve |
The long flexor tendons to the fingers and thumb pass through the tunnel and are accompanied by what structure? |
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Tunnel of Guyon |
What is the other name for Ulnar Canal? |
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Ulnar Canal |
This is a longitudinal canal which allows the passage of ulnar nerve and ulnar artery from the wrist to the hands |
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Transverse Carpal Ligament |
What structure forms the floor of the ulnar canal? |
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Volar/Anterior Carpal Ligament |
What structure forms the roof of the ulnar canal? |
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Pisiform Bone and Pisohamate Ligament |
What structure forms the medial border of the ulnar canal? |
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Hook of Hammate |
What structure forms the lateral border of the ulnar canal? |
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Ulnar Artery |
This artery lies deep to most of the flexor muscles in the forearm |
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Flexor carpi ulnaris and flexor digitorum superficialis |
Distally, the ulnar artery lies between these 2 structures. |
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Pisiform bone |
At the wrist, the ulnar artery crosses superficial to the flexor retinaculum just lateral to what structure? |
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Common interosseous artery of the ulnar artery |
This artery brings nutrients to the radius and ulna |
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Common interosseus artery |
This artery supplies the adjascent muscles in the anterior and posterior compartments |
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Radial Artery |
This artery lies on anterior surface of the radius between the brachioradialis tendon and flexor carpi radialis muscle in distal forearm |
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Superficial Palmar Branch of Radial Artery |
This arterial branch arises just superior to the wrist and enters the hand and joins the ulnar artery to complete the superficial palmar branch |
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Cubital fossa at the level of the neck of radius |
The radial artery begins where? |
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Cephalic Vein |
This vein can be seen on the lateral side of the dorsal venous arch on the back of the hand and runs on the lateral border of the forearm |
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Basilic Vein |
This vein can be seen on the medial side of dorsal venous arch on the back of the hand and runs on the medial border of the forearm |
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C5-C7 |
Musculocutaneous nerve arises from what vertebral level? |
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Skin of the anterior and lateral aspect of the forearm down as far as the thumb |
The lateral cutaneous branch of the musculocutaneous nerve supplies what structures? |
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Medial cutaneous nerve of the forearm (medial antebrachial nerve) |
This nerve arises from C8-T1 and from the medial cord of the brachial plexus which runs down and divide into volar and dorsal branches |
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Medial cutaneous nerve of the forearm |
This nerve runs down the ulnar side of the arm and divides into a volar and dorsal ulnar branch |
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Median Nerve |
This nerve arises from C5-T1 and lies behind the tendon of the palmaris longus |
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Palmar cutaneous branch of the median nerve |
This nerve crosses the superficial side of the flexor retinaculum and supply the skin on the lateral part of the palm |
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C8-T1 |
The ulnar nerve arises from what nerve roots? |
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Palmar cutaneous branch of the ulnar nerve |
This nerve cross superficial to flexor retinaculum and supply the skin over the medial part of the palm |
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Radial nerve |
The only motor nerve that supplies the muscles of the posterior compartment of the arm and forearm |
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Radial nerve |
This nerve descends superficial to the extensor retinaculum |
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Dorsal digital branch of the radial nerve |
This nerve supplies the lateral 2/3rds of the dorsum of the hand |
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Dorsal digital branches of the radial nerve |
This nerve supplies the posterior surface over the proximal phalanges and lateral 3 and 1/2 fingers |
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Synovial ellipsoid joint |
What type of joint is the wrist joint? |
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Radiocarpal joint |
Other name of wrist joint |
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Scaphoid Lunate Triquetrum |
What carpal bones articulate in the radiocarpal joint? |
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Anterior interosseus nerve and deep branch of the radial nerve |
Nerve supply of the wrist joint |
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Rotation |
What movement is not possible by the wrist joint? |
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Flexor carpi ulnaris |
This flexes and adducts the wrist and hand |
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Flexor carpi radialis |
Flexes and abducts the wrist and hand |
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Palmaris Longus |
This structure only flexes the hand |
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Extensor carpi ulnaris |
Extends and adducts the wrist |
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Extensor carpi radialis longus/brevis |
Extends and abducts the wrist |
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Posterior cutaneous branch of the ulnar nerve |
This structure is medial to the wrist joint |
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Radial Artery |
This structure is lateral to the wrist joint |
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Carpal Tunnel Syndrome |
Compression and necrosis of the median nerve will result to what condition? |
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Phalen's Test |
Test to detect carpal tunnel syndrome |
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Intraarticular steroid injection Decompression by surgical release |
Treatment options for carpal-tunnel syndrome |
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Anatomic snuffbox |
Triangular skin depression on the posterolateral side of the wrist |
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Tendon of the extensor pollicis longus |
Medial border of the anatomic snuffbox |
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Tendons of the abductor pollicis longus and extensor pollicis brevis |
Lateral border of anatomic snuffbox |
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Scaphoid |
What bone can be easily palpated in the anatomic snuffbox? |
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Colle's fracture |
Dinner fork deformity |
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Colle's fracture |
Fall onto an outstretched arm with extended wrist will result to this condition |
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Colle's fracture |
This happens when a force drives the distal fragment posteriorly and superiorly |
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Smith's fracture |
This happens when the distal fragment is displaced anteriorly |
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Smith's fracture |
Fall onto an outstretched arm with a flexed wrist will result to this condition |
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Smith's fracture |
Reversed Colle's Fracture |
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Scaphoid bone fracture Lunate bone dislocation |
Fall onto an outstretched hand, with your weight landing on your palm will result to these conditions |
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Scaphoid bone fracture |
What condition has the following signs and symptoms? Pain along the anatomic snuffbox Thumb and lateral wrist pain that worsens upon pincer grip movements or extension of the thumb |
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Screw fixation |
Treatment for lunate bone dislocation |