Figure 2From: The GRONORUN 2 study: effectiveness of a preconditioning program on preventing running related injuries in novice runners. The design of a randomized controlled trial Biomechanical load for the PRECON (week 1-13) and the CON (week 5-13) group. The load of walking, hopping and running is expressed in bodyweight (BW) per week. Week 1-4 was the intervention period of the PRECON group. From week 5 both groups followed the same training program.Back to article page