One of the more useful football studies I have read recently looked at a simple question: what does a match actually cost the body?
In a 2025 Frontiers in Sports and Active Living study, researchers tracked recreational and semi-professional football players during a normal training week and a 90-minute 11-a-side match. They used GPS, inertial sensors, accelerometers, and chest-strap heart-rate monitors.
Not perfect, and not a huge sample. But the setup is practical. It looks like football people actually play.
The headline is simple: both groups spent the match working hard. Average match heart rate was around 80 to 81% of maximum heart rate. Much of playing time sat between 70 and 90% HRmax.
That is what makes football interesting.
From the outside, it can look broken up. Walk, jog, check, sprint, stop, turn, wait, go again. Internally, the effort keeps stacking.
The semi-professional players covered more distance at higher heart rates, especially above 85% HRmax. That likely reflects better fitness and a greater ability to repeat hard actions. The recreational players had a different problem: similar internal strain, but less external output.
In plain English, the body was working hard even when the performance numbers were lower.
That matters for anyone who plays.
A five-a-side game after work can look casual on paper and still be a proper session. Sunday league can produce a serious effort load even if nobody is calling it training. Football is full of hidden work: pressing runs, recovery sprints, changes of direction, and long spells where your heart rate stays elevated between bursts.
Distance does not capture that well.
Neither do highlights.
This is exactly why MOTRA is built around verified effort. We care about what the body actually had to do, not just the cleanest output metric. If your wearable records real heart-rate effort from a football session, that work deserves to be visible.
Effort Points are MOTRA's way of turning that signal into something you can track across different training types.
A run can count. A ride can count. A gym session can count. Football can count too.
With the World Cup starting today, it is a good reminder that the game is built on moments, but the physical cost sits between them.
Come on England.
But whoever you are supporting, enjoy the football. Watch the effort between the highlights. That is where a lot of the real work happens.