Cardio
Walking counts. Effort matters. The calorie counter is only a very small part of the story.
Cardio is often presented as the tax you pay for eating something enjoyable. You ate the dessert; now please report to the treadmill.
I would prefer a better reason. Being comfortable on a long walk, climbing stairs, or doing something active on holiday are all useful outcomes. They remain useful even when no device is assigning a calorie value to them.
So, before deciding how much cardio belongs in the week, let’s establish what counts and how the intensity is described.
What counts as cardio?
Aerobic activity makes the heart beat faster and increases breathing. Brisk walking, cycling, swimming, and running can all count. The effort depends on the person and the activity.
Walking therefore deserves a place in the discussion. It is accessible to many people, needs little equipment, and can fit around errands or a commute. Running is one option, not a compulsory upgrade everyone has to unlock.
Moderate / Vigorous
The talk test is a rough way to judge relative effort. It is not a laboratory measurement, but it is easier to use than memorising a heart-rate chart before leaving the house.
| Intensity | What speaking feels like |
|---|---|
| Moderate | A conversation is possible, but singing would be difficult. |
| Vigorous | Only a few words are comfortable before pausing for breath. |
Understanding the weekly guideline
The general adult guideline is at least 150 minutes of moderate aerobic activity per week, or 75 minutes of vigorous activity, or an equivalent combination. Muscle-strengthening activity on at least two days is recommended as well.
The minutes can be spread across the week. Below is one arithmetic example using moderate activity throughout. It is not a starting prescription: someone doing very little can begin with smaller amounts and build gradually. Some activity is better than none.
| Activity | Time | Weekly total |
|---|---|---|
| Brisk walks | 5 × 20 min | 100 min |
| Cycling | 2 × 25 min | 50 min |
| Total | 150 min |
Making it fit alongside lifting
There are two things to budget here: time and effort. Scheduling every available minute does not mean I will recover well from every session. The harder the activity, the more that needs consideration.
For a beginner, an activity that is easy to access and pleasant enough to repeat is a sensible place to start. A nearby walk has an advantage over a theoretically perfect session that needs a long commute, a booking, and an argument with myself.
Increase the workload gradually. If a health condition or symptoms make exercise uncertain, get individual advice. The example week is there to explain the total, not to override where someone is starting.
Personally, I would like movement to keep some of its ordinary uses. Walking somewhere, cycling for pleasure, exploring a place on foot. Once every outing becomes an assessment, even leaving the house starts to feel like pending work.