Table 1.

Search strategy.

Variable	Search terms
Population	(“football” OR “soccer”) AND (“adult” OR “senior”)
Load	(“high speed” OR “sprint”) AND (“running” OR “distance” OR “effort” OR “velocity”)
Variable	((“match” OR “game”) AND (“demand” OR “request”)) OR (“training” OR “session”)
Final search	Combination of the three groups: “Population” AND “Load” AND “Variable”