The Delphi method has emerged as a versatile tool to synthesise expert opinion in situations where empirical evidence is either incomplete or rapidly evolving. In both health and education, this ...

Whereas quantitative refers to numeric and objective qualities that someone can measure, qualitative refers to subjective qualities that rely on opinion, observation or listening abilities.

Background Hamstring muscle injury (HMI) is the most common injury in professional football and has a high re-injury rate. Despite this, there are no validated criteria to support return to play (RTP) ...