Knee (Quad / Patellar Tendon) — Ultrasound-Guided PRP / Tenotomy Protocol

1. Week 0–1

   Protect, reduce pain and swelling

   • Non-weight-bearing with crutches ~4 days; knee immobilizer 1 week
   • Begin gentle active knee ROM
   • Gait training with crutches

2. Weeks 1–2

   Restore ROM, progress weight bearing

   • Continue knee ROM
   • Begin core and lower-limb strengthening
   • Upper-body aerobic/strength work; optional BFR

3. Weeks 2–4

   Improve strength and tendon tolerance

   • Begin isometric knee strengthening
   • Joint mobilizations as needed
   • Non-impact aerobic (bike); pool once incision healed

4. Weeks 4–6

   Normalize gait, add balance

   • Progress knee strengthening
   • Initiate balance/proprioception

5. Weeks 6–8 (return to play)

   Gradual return to sport

   • No painful activities; no soreness > 24 hrs; no pain with running
   • Gradual return to sport activities

Do not use NSAIDs (ibuprofen, Aleve, aspirin) or ice for 4 weeks — both blunt the healing response. Acetaminophen (Tylenol) is fine for discomfort. Care is tailored to you; use these guidelines with your physical therapist.