Fig. 1
Design and overview of the weekly feedback loop between the participants and the sports scientist. Legend. The screen in the middle of the figure shows the design of the website. Part a of the concept illustrates the initial and weekly training analysis and individual training adaptation designed by the sports scientist. Part b represents the combined training options, such as endurance training, strength training and preferred physical activities. The blue hexagon illustrates the third essential part of the program, which was feedback provided by the participants to the sports scientist via an uploaded, hand-written exercise protocol at the end of each week. Based on this protocol, the sports scientist could adapt the training load for the following week