Fig. 2From: Peer support for the maintenance of physical activity and health in cancer survivors: the PEER trial - a study protocol of a randomised controlled trialSchematic representation of the HIIT protocol. Key: HRpeak: Peak heart rate, as determined by the most recent peak oxygen consumption (\( \dot{\mathrm{V}}{\mathrm{O}}_{2\mathrm{peak}} \)) test; min: minutesBack to article page