Guides

Guides for coaching staff

Guides on training load, wellness and GPS data for coaching staff: what each measure is, why it matters, and the research behind it.

ACWR in football: what the acute:chronic workload ratio tells you
What the acute:chronic workload ratio (ACWR) is, where the 0.8 and 1.5 zones come from, what it tells you about each player's load and what it does not, and why calculating it by hand is harder than it looks.
4 min read
Excel vs. athlete management software: signs your spreadsheet is no longer enough
Why load monitoring in Excel or Google Sheets becomes hard to keep up as the squad and the data grow, the signs it is time to switch, and what athlete management software solves.
3 min read
GPS metrics in football: what each one measures and why it matters
What a sports GPS measures, what each key metric tells you (distance, high-speed running, sprinting, accelerations and decelerations) and why the numbers mislead if they are not handled with care.
4 min read
Session RPE (sRPE): what it is and why it matters in football
What session RPE is, why it is one of the most used and best supported measures of internal load in football, what it lets you see, and why keeping it up by hand across a whole squad is so hard.
3 min read
Training load monitoring in football: what it is and why it matters
What training load is, the difference between internal and external load, what the coaching staff gains when it is monitored well, and why keeping it up by hand is so hard.
3 min read
Wellness questionnaires for football players: what they are and why they matter
What a wellness questionnaire is, why the evidence backs it, why the hard part is reading the answers in time, and why it fails when it is done with forms and spreadsheets.
3 min read