Because they switch the placebo and creatine groups :) Week (-∞)-0: Noone has taken any supplements Test 1. Week 0-6 : Group 1 gets creatine, gro

Because they switch the placebo and creatine groups :) Week (-∞)-0: Noone has taken any supplements Test 1. Week 0-6 : Group 1 gets creatine, group 2 gets placebo Test 2. Week 6-12 : Noone takes any supplements Test 3. Week 12-18 : Group 1 gets placebo, group 2 gets creatine Test 4.