Wrist and Hand Sprains Flashcards

1
Q

Sprains at the wrist are primarily caused by what?

A
  • Hyperextension mechanism with a FOOSH
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2
Q

What do sprains at the wrist typically involve?

A

Flexor retinaculum and associated ligaments

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3
Q

What is the flexor retinaculum?

A

Fibrous band on the volar wrist

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4
Q

Where does the flexor retinaculum attach?

A

Attaches from the pisiform and hamate to the scaphoid and trapezium

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5
Q

What are the functions of the flexor retinaculum?

A
  • Holds flexor tendons
  • Supports carpal arch as most activities performed with wrist extend
  • Limits hyperextension
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6
Q

What do the collateral ligaments support in the wrist and fingers?

A

Support radiocarpal, ulnotriquetral, MCP and IP joints medially and laterally

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7
Q

Medial or ulnar collateral ligaments limit _____ stresses.

A

Valgus

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8
Q

Lateral or radial collateral ligaments limit _____ stresses.

A

Varus

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9
Q

What is skier’s/ gamekeeper’s thumb?

A
  • Involves ulnar collateral ligament at at thumb MCP joint
  • Excessive valgus stress with hyperextension and abduction during a FOOSH
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10
Q

What are signs and symptoms of a sprain?

A
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11
Q

What is the PT Rx for sprains?

A
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