Extensor Tendones

Question 1

Zone 1-2

Answer 1

Mallet fingers or baseball fingers are seen
6 weeks splints on Hyperextension
No finger movements allowed
Avoid flexion for 6 weeks
End of week 8 splints only at night

Question 2

Zone 3-4

Answer 2

Boutonier deformity
4-6 weeks immobilization
PIP extension splint
Exersices after 4 weeks if only no loss of extenaors
Splint remove after 6 weeks

Question 3

Zone 5-6-7

Answer 3

0 to 3 weeks
Splint for 30-45 wrist extension
Wound care
Edema control
Patient education

4 to 6 weeks
Wrist extension and IP + MCP flexion
Dinger extension

6 to 10 weeks
Finger extension
Wrist flexion
Light progressive strengthening

10 to 12 weeks
Normal functions

Question 4

Immobilization methods

Answer 4

Wrist 30 to 45
Mcp and ip full extension
Splint for involved tendon if extensor indis or extensor difiti minimi
All fingers splinted in extension together if extensor digitorum communis lesion