Abos - Hand, Wrist, And Forearm: Flexor And Extensor Tendon Anatomy, Injury, And Repairextensor Tendon Pathology:

Front 1

Odd-numbered extensor tendon zones lie over what anatomic structures?

Back 1

Joints

Front 2

Even-numbered extensor tendon zones lie over what anatomic structures?

Back 2

Bony shafts

Front 3

What is the preferred rehabilitation for injuries between MCP (zone 5) and forearm (zone 9)?

Back 3

Early motion on postoperative day POD) 3 in a dynamic splint

Front 4

How is mallet finger treated?

Back 4

Volar extension splint (e.g., Stack splint)

Front 5

Despite immobilization of the DIP, what should rehabilitation include?

Back 5

Emphasize motion of PIP

Front 6

A chronically untreated mallet finger may lead to what clinical condition?

Back 6

Swan-neck deformity

Front 7

What subset of mallet finger injuries requires surgery?

Back 7

Bony mallet avulsion fractures with volar subluxation of the DIP joint
Relative surgical indication is a surgeon with a mallet finger who wants to return to work

Front 8

What is the role of the sagittal band?

Back 8

Facilitates extension of the MP joint

Front 9

What is the rnost common mechanism of sagittal band rupture?

Back 9

Resisted flexion injury

Front 10

What digit is most commonly affected?

Back 10

Long finger

Front 11

What is the classic presenting complaint?

Back 11

Cannot actively extend
Can maintain active extension

Front 12

lf sagittal band rupture is <2 weeks old, how is it generally treated?

Back 12

Extension splint of metacarpophalangeal joint (MCP) with interphalangeal (IP) joints free

Front 13

If more than 2 weeks old, how is it generally treated?

Back 13

Extensor centralization procedure