Table 1.

An overview of registration on criteria, categories, and variables.

Criteria	Categories	Variables	Description
(1) Kind of activity	I: You and the ball	(1) Training alone with the ball	All kinds of activity when you are alone with the ball, e.g., technique, tricking the ball, etc.
	II: Playing together with someone	(2) Playing with goals	All kind of playing with someone with goals involved in the exercise. No opposing players or team.
		(3) Playing without goals	All kind of playing with someone without goals, e.g., passes and receiving exercises. No opposing players/team.
	III: Play against each other	(4) Small group game with goals	Play against an opposing team ≤ 5 to 5, with goals.
		(5) Small group game without goals	Playing against an opposing team ≤ 5 to 5, without goals.
		(6) Big group game with goals	Play against an opposing team ≥ 6 against 5, with goals.
		(7) Big group game without goals	Play against an opposing team ≥ 6 against 5, without goals.
	IV: Other activity	(8) All activities without ball	Strength training, running exercise, stretching, playing, relay activity, etc.
	V: Breaks	(9) Breaks	No movement (in seconds) between exercises (e.g., water break, waiting for trainers to explain or start a new exercise, etc.).
(2) Variability	VI: Ball touches	(10) Ball touches	Total number of ball touches.
	VII: Ball variables	(11) Ball transport	Number of continuous ball touches ≥ 4 touches in a row.
		(12) Ball receiving	Number of 1–3 ball touches in receiving sequence.
		(13) Ball passes	Number of 1–3 ball touches in passes sequence.
		(14) Finishing on goal	Number of attacks on goal (shot and heading).
		(15) Other ball touches	Number of other types of ball touches, such as clearances, throw-in, ball restarts, etc.
	VIII: 1:1 situations	(16) 1:1 situations	Number of all 1:1 situations in attack and defense.
		(17) Challenge in 1:1 situations	Number of all the times they choose to challenge and try to pass a player in 1:1 situations.
(3) Intensity	IX: Activity time	(18) Activity time	All kinds of movement in training at maximum running speed (sprint), jogging and walking.
	X: Break time	(19) Total break time	Players stand still without moving. Total breaks during the exercise and between exercises (e.g., waiting to be involved/or self-involved in the exercise, water break, waiting for trainers to explain next drill, provides feedback, start a new exercise, etc.)