LLLT characteristics of the included trials
| First author, year | Wave-length (nm) | Mean output power (mW) | Seconds per treatment spot (s) | Joules per treatment spot (J) | Number of spots treated | Number of sessions/Weeks | Dose recommended by WALT |
| Patellar tendinopathy | |||||||
| Liu 201469 | 810 810 | 200 200 | 600 300 | - - | 1* 2 | 24/4 | Yes |
| Stergioulas 200360 | 904 | 50 | 300 | 1.2 | 10 | 10/2 | Yes |
| Achilles tendinopathy | |||||||
| Darre 199461 | 830 | 30 | – | 4 | 4 | 12/2.5 | Yes |
| Naterstad‡ | 904 | 60 | 50 | 3 | 6 | 12/4 | Yes |
| Stergioulas 200868 | 820 | 30 | – | 0.9 | 6 | 12/8 | Yes |
| Tumilty 200862 | 810 | 100 | 30 | 3 | 6 | 12/4 | Yes |
| Tumilty 201263 | 810 | 7 | 30 | 0.21 | 6 | 12/4 | No |
| Plantar fasciitis | |||||||
| Basford 199864 | 830 | 30 | – | – | 3 † | 12/4 | Unclear |
| Cinar 201770 | 830 | 100 | 80 | 5.6 | 5 | 10/3 | Yes |
| Cinar 201871 | 830 | 100 | 80 | 5.6 | 5 | 10/3 | Yes |
| Elsehrawy 201872 | 830 | – | – | – | 3 † | 6/3 | Unclear |
| Kiritsi 201065 | 904 904 | 60 60 | – – | 8.4 – | 1* 2 † | 18/6 | Yes |
| Koteeswaran 202075 | 830 | – | 180 | – | 3 | 9/3 | Unclear |
| Lamba 201366 | 820 | 100 | 80 | – | 3 † | 12/4 | Yes |
| Macias 201567 | 635 | 17 | 600 | – | 3 | 6/3 | Unclear |
| Sanmak 201973 | 685 | 30 | 60 | – | 2 † | 12/4 | Unclear |
| Ulusoy 201774 | 830 | 50 | 200 | – | 3 † | 15/3 | Yes |
| Yüzer 200676 | 904 | – | 30 | – | – | 10/1.4 | Unclear |
*Two different dosages applied within the same session.
†Naterstad et al. Efficacy of Low-level Laser Therapy as an addition to exercise and cryotherapy in chronic Achilles tendinopathy: a double-blinded randomised controlled trial.
‡One or more spots/areas treated with movement of the laser probe.
LLLT, Low-Level Laser Therapy; WALT, World Association for Laser Therapy.