- Pulling of a large tendon may damage an unfused epiphysis.
- Usually either the tibial tuberosity (Osgood-Schlatters disease) or calcaneum (Severs disease).
- Also distal pole of patella (Syndig, Larssen, Johansen disease).
- Does not produce AVN.
- May be associated with tenosynovitis of the attached tendon.
Treatment
- Rest tendon
- Achilles may require heal rise or POP
- Occasionally, excision of a "loose" appophyseal fragment brings relief in Osgood-Schlatter