A colleague had started going to the gym “to get fitter”. While admirable and absolutely to be celebrated, I did wonder how they would know when they had achieved that goal.

After some reflection, and a walk, I developed the thought that fitness can be broken down into 2 main components. A duration / distance one, and a strength / durability one.

Duration / distance is comparatively simple. Can the person go further, for longer, or faster. These are goals that can be defined, measured and checked. Walk for a mile, walk for an hour, finish a 5k event, run a marathon, cycle for 3 hours, push the wheelchair to the shops.

The other component is harder to measure. Yes, strength can be measured by increasing the amount you can move against resistance and for how long. But that doesn’t tend to serve an end purpose. I would posit that the role of strength for the vast majority of people, athletes included, is to help them carry out a defined task with more capacity, to be more durable and to recover faster. In Crossfit this may be to complete the prescribed workout faster, or with less fatigue. For others, it may be to be able to carry a child, lift down a suitcase or spend longer with their family before tiring. And for all, it should help reduce the risk of injury.

By redefining our initial goal of fitness, we can review the strength component in this capacity and then prescribe the correct stimulus to get the desired response.

Instead of saying you want to get fitter, define a goal, and a measurable, meaningful outcome. Then tune the exercise to that.