1. Fewer complications were noted for two-tendon repairs
2. zone 5 =flexor Mu. insertion to carpal tunnel
3. zone 4 is the carpal tunnel and its contents.
4. Zone 3 from the distal edge of the carpal ligament to the proximal edge of the A1 pulley.
5. zone 2, or “no man's land.: start from proximal aspect of the A1 pulley to FDS insertion,The distal palmar crease superficially marks the termination of zone 3 and the beginning of zone 2.
   1. areas of zone 2- defined by the position of the distal tendon stump with the finger in the resting position
      1. A=under the A4
      2. B=under the C1
      3. C= under A2
         1. Tang recommends repair of one tendon repair of FDP with excision of the FDS , due to high rate of adhesions in this area if both the FDS and FDP were repaired
      4. D=under A1
6. Zone 1 is distal to the insertion of the FDS tendon. A laceration in zone 1, by definition, injures only the tendon of the FDP
7. Main Topic 6