Jonathan Kilpatrick 15 August 2018 exercises, knowledge share, physio, Gym Training, Injury Prevention, crossfit, HIIT, muscle pain, sports injuries Are you taking a HIIT in Training? Jonathan Kilpatrick 15 August 2018 exercises, knowledge share, physio, Gym Training, Injury Prevention, crossfit, HIIT, muscle pain, sports injuries In the last number of years we’ve seen a huge shift in the exercise industry towards high intensity interval training (HIIT) as a means of providing time efficient and intense workouts.