Fig. 1From: The Current State of Subjective Training Load Monitoring—a Practical Perspective and Call to ActionPossible interaction effects of open and closed skill sports on training load variables, performance, and injury risk. Individual London 2012 Olympic pictograms reproduced in complete figure with permission from the International Olympic Committee. CTL, chronic training load; ATL, acute training load; ACWR, acute to chronic workload ratioBack to article page