Graphical abstract: adolescent growth spurt

A summary schematic to show the timing of the adolescent growth spurt according to age, maturity offset, and percent of estimated adult stature attainment. This is accompanied by recommended annual maturity monitoring frequencies and approximate annual stature growth tempo. Curves for 'late' and 'early' maturing players are a visual aid only, to illustrate the potential differences in onset and cessation of key landmarks.