Wrist And Hand Flashcards

0
Q

Most commonly broken carpal

A

Scaphoid

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1
Q

Carpal bones

A

8 short bones
Lateral to medial
Prox: scaphoid. Lunate. Triquetral: pisiform.
Distal: trapezium. Trapezoid. capitate. Hamulus.

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2
Q

Most commonly dislocated carpal

A

Lunate

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3
Q

Scaphoid

A

Carpal.
Proximal, most lateral
Most commonly broken
Boat shaped
Articulates with radius (radiocarpal joint)
Has a tubercle which anchors flexor retinaculum

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4
Q

Lunate

A

Carpal
Most frequently dislocated
Crescent shaped
Articulates with radius (radiocarpal joint)

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5
Q

Triquetrum

A

Carpal
Articulates with ulna via meniscis
Ulnomeniscotriquestral joint

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6
Q

Pisiform

A

Carpal
Sits on triquetal bones.
Acts as Sesamoid for FCU
Anchors flexor retinaculum

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7
Q

Trapezium

A

Carpal
Distal, most lateral
Saddle shaped. Articulates with 1st metacarpal
Tubercle anchors flexor retinaculum.

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8
Q

Trapezoid

A

Distal

Supports base of 2nd metacarpal

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9
Q

Capitate

A

Carpal
“Keystone”
Mid carpal, centre of wrist
Cube shaped.

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10
Q

Hamate

A

Distal, most lateral carpal

Contains hook of hamate which anchors flexor retinaculum.

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