Hamstring muscle injuries are highly prevalent in sports and result in varying rehabilitation times [1,2]. The assessment of muscle injuries is based on clinical examination and qualitative conventional magnetic resonance Imaging (MRI) scoring systems, such as the Modified Peetrons grading and British Athletics Muscle Injury Classification [3–6]. Determining the return to play (RTP) prognosis following hamstring injury remains difficult. There is conflicting evidence for the use of conventional …