Early versus delayed lengthening exercises for acute hamstring injury in male athletes: a randomised controlled clinical trial
Robin Vermeulen, Rod Whiteley, Anne D van der Made, Nicol van Dyk, Emad Almusa, Celeste Geertsema, Stephen Targett, Abdulaziz Farooq, Roald Bahr, Johannes L Tol, Arnlaug Wangensteen
British Journal of Sports Medicine Jul 2022, 56 (14) 792-800; DOI: 10.1136/bjsports-2020-103405