. 2020 Apr;15(2):301–325.

Table 2.

Descriptions of the three phases of rehabilitation, in tendinopathy after an orthobiologic procedure.

Phase 1: Begins days 0-3 after intervention and focuses on tissue protection due to the likelihood of tissue inflammation.	For tendons of the LE, the patient should be non-weightbearing or utilize protected weightbearing. Gentle AROM may be performed 2-3x a day for 10-15minutes, using caution to avoid excessive loading or stress on the involved/treated tendon.
Phase 2: Related to early tissue healing and facilitation of collagen deposition. This typically begins days 4-14 after intervention and lasts until week 6.	Begin to progress to full weightbearing without protective device. Start light activities and aerobic exercise that avoids loading. May begin gentle prolonged stretching and glut/core muscle strengthening. Weeks 2-6 also fall under this phase; during which time eccentric exercises should be avoided, and start low weight, high repetitive isometrics and more dynamic stretching.
Phase 3: Is the collagen strengthening phase, occurring weeks 6-12 post intervention.	Begin eccentric exercises (starting eccentric exercises too soon can halt the healing cascade due to halting angiogenesis due to too much load) Would recommend keeping pain scale to 2-3/10 and starting with two repetitions of 15. Progress to weight bearing functional activities in the lower quarter. Begin functional retraining of the upper quarter in patient relevant methods (weight bearing, plyometrics, etc) At months 3 + reassess improvement and if not >75% improved from original injury, consider repeat injection and return to Phase 1.

Phase 1: Begins days 0-3 after intervention and focuses on tissue protection due to the likelihood of tissue inflammation.

For tendons of the LE, the patient should be non-weightbearing or utilize protected weightbearing. Gentle AROM may be performed 2-3x a day for 10-15minutes, using caution to avoid excessive loading or stress on the involved/treated tendon.

Phase 2: Related to early tissue healing and facilitation of collagen deposition. This typically begins days 4-14 after intervention and lasts until week 6.

Begin to progress to full weightbearing without protective device.
Start light activities and aerobic exercise that avoids loading.
May begin gentle prolonged stretching and glut/core muscle strengthening. Weeks 2-6 also fall under this phase; during which time eccentric exercises should be avoided, and start low weight, high repetitive isometrics and more dynamic stretching.

Phase 3: Is the collagen strengthening phase, occurring weeks 6-12 post intervention.

Begin eccentric exercises (starting eccentric exercises too soon can halt the healing cascade due to halting angiogenesis due to too much load)
Would recommend keeping pain scale to 2-3/10 and starting with two repetitions of 15.
Progress to weight bearing functional activities in the lower quarter. Begin functional retraining of the upper quarter in patient relevant methods (weight bearing, plyometrics, etc)
At months 3 + reassess improvement and if not >75% improved from original injury, consider repeat injection and return to Phase 1.