The sample was mainly people presenting with acute PHP ... This progression is extrapolated from expert interviews and systematic review findings, rather than from trials including failed previous ...

This systematic review set out to identify randomised controlled trials ... It excludes sports that only a minority have the opportunity to experience—for example, equestrian sport, water sports, snow ...

Systematic sampling happens when a random sample is selected from a larger population at a regular interval. Systematic sampling is a probability sampling method where samples from a larger ...