The Concussion Recognition Tool 5 (CRT5) is the
most recent revision of the Pocket Sport Concussion
Assessment Tool 2 that was initially introduced by
the Concussion in Sport Group in 2005. The CRT5 is
designed to assist non-medically trained individuals to
recognise the signs and symptoms of possible sportrelated concussion and provides guidance for removing
an athlete from play/sport and to seek medical attention.
This paper presents the development of the CRT5 and
highlights the differences between the CRT5 and prior
versions of the instrument
