Hand and wrist 1 Flashcards by Daryl Lawson

Q

Image of the 28 bones of the hand and wrist

A

see image

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Q

Name the 8 carpal bones on the palmar view

A

1, scaphoid, 2. lunate, 3. triquetrum, 4. trapezium, 5. trapezoid, 6. capitate, 7 hamate, 8. pisiform

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Q

Name the 7 carpal bones on the Dorsal view (which one is missing)

A

see image

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Q

What is the rhyme to remember the 8 carpal bones?

A

see image

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Q

Point to the CMC on my hand

A

see pic

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Q

What are the radio-carpel joint borders?

A

see pic

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Q

Name the compartments of the wrist and tendons

A

see pic

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Q

compartment 4 what tendons and what do they do?

A

see pic-Ext inicis involves the extension of the index finger at the MCP and interphalangeal joint. One of the few fingers able to extend independently from the other fingers. Ext digitorum communis inserts into the extensor expansion of the medial four digits

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Q

What sturcture divides compartment 2 from comparment 3

A

Listers tubercle (at the distal radius)

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Q

What is All Peanut Lover Eat Peanut Butter

A

see pic-lateral to medial

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Q

T/F: APL can have a dissection/bifurcating bi-tendinous and is common.

A

True-see pic

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Q

What is Wartenberg’s syndrome?

A

Pain and paresthesia on posterior thumb from lateral cutaneous nerve

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Q

ECR-origin, insertion action, nerve, dyynamic testing

A

see pic

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Q

What is an oarsmens wrist

A

Intersetion/crossover syndrom at proximal to distal between comptment 1 (EPB, APL and 2 (ECRB, ECRL). It is an overuse tenosynovitis proximal to the extensor (see image) retinaculum.. Where deQuervains occurs

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Q

What is the normal angle for a scapho-lunate ligament?

A

30-60 deg or > 3 mm

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Q

FPL for finding median nerve? And what are the borders of the carpel tunnel

Study These Flashcards

A

see pic

Q

Name entry (proximal) to the carpal tunnel and ext (distal)

Study These Flashcards

A

entry: scaphoid and pisiform, Exit: hook of hamate and trapezium

Q

Carpal tunnel occupants: what is not in the carpel tunnel? Can I name the 9 tendons and one nerve?

Study These Flashcards

A

FCR not in tunnel. FDS-4, FD{-4. F{:-1 and median nerve

Q

Wrist to Forearm ratio

Study These Flashcards

A

Trace median nerve from distal image 12 cm or 4.7 inches.The MN is seen between the FDS and FDP. Ratio is division of proximal divided by distal. > 1.4 postivitive for CTS.

Q

What none does the median nerve pass over?

Study These Flashcards

A

Lunate

Q

Where is the ulnar nerve in Guyons canal?

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A

adjacent to the ulnar artery and superficial to the flexor retinaculum

Q

Image 1 of Guyons canal

Study These Flashcards

A

see pic

Q

What 2 branches does the ulnar Nerve divide?

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A

2 terminal brances: proper digital nerve (montor) and cutaneous brance (sensory)

Q

Image of ulnar nerve branches

Study These Flashcards

A

see pic

Transverse carpal ligament: located where and what is the average thickness

see pic

Image of the dorsal metacarpal-phalangeal longitudinal

Anatomic neck serves as the attachment for the synovial membrane

What is a Trigger finger?

tendons must slide under the pullys for proper motion. Problem is hard to slide with trigger finger. You will not see annular ligament unless inflammed/damaged (red ighlight) LAX view is not the most optimal PP=proxomal phalinx

Climbers finger

The A2 Pulley. Two tendons, fds and fdp

What may be found under the fingertip?

glomus cyst, tumor lesion

Image of fingertip lesions with US

the images are under the fingernail

Image of ulnar side/thenar, adductor and UCL

pic

What is gamekeeper or skiers thumb

hyperabduction injury, sprain of the UCL (partial or full)

What is a Stener lesion

Includes UCL tear plus aponeurosis detachment from 1st MP joing