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Do you still need cardio if you have a physical job?

A physical job can help your fitness, but it doesn’t automatically cover your cardio. The more useful question is how much of your day actually gets you breathing harder, and whether you recover well from it.

If your work is mostly standing, lifting and slow walking, a bit of planned cardio might fill the gap. Start with a walk or a bike ride you can manage. You don’t need to finish every session exhausted.

Check what your work actually involves

Cardio is anything that works your heart and lungs, like brisk walking, cycling or swimming. Work can count too. The World Health Organization includes activity done at work in its definition of physical activity.^[1]

The catch is that a long shift is made up of different kinds of effort. Standing at a bench, carrying materials and walking briskly aren’t the same thing. Sore legs and a big step count don’t tell you how much moderate activity you’ve actually done.

The talk test is a handy rough guide while you’re walking or cycling:^[2]

• Moderate effort: your breathing picks up. You can talk, but singing would be a stretch.
• Vigorous effort: you can only get out a few words before you need a breath.

Think about a normal working week. If you regularly move at a moderate effort, that counts. If most of your movement is light, some purposeful cardio could be worth adding. Just don’t make your work harder or skip safe handling practices to turn it into exercise.

Know what you’re working towards

Australia’s current guidelines for adults aged 18 to 64 recommend at least 30 minutes of moderate-to-vigorous activity on most days, plus strength work on at least two days a week.^[3]

That doesn’t mean a compulsory 30-minute workout after every shift. Look at what you already do, then build towards the guidelines at a pace that suits you. Short bursts of activity add up.^[4] And if you’re already meeting the guidelines, any extra sessions should have a clear purpose rather than becoming one more obligation.

Start with something you can repeat

If you’re generally well but not doing any planned cardio, here’s a starting point:

1. Pick two of your lighter days and plan 10 to 15 minutes of walking or cycling on each.
2. Ease in, then settle into a pace where you can still hold a conversation. Slow down again before you finish.
3. Check in with yourself that evening and the next day. Are you unusually tired or sore, or less able to do your job?
4. Once it feels manageable, add a few minutes to one session or fit in another short one. Change one thing at a time.

Adjust this to your own fitness and workload. Two short sessions alone won’t meet the guidelines, but Healthdirect recommends starting slowly and building up.^[4]

Pick something convenient. Walking from home saves you the trip to the gym. A stationary bike can be a good alternative if another walk feels rough after a day on your feet. Choose something comfortable that you’ll actually keep doing.

Fit it around your job and your training

Save longer or harder cardio for days when you’ve got more energy. In a demanding week, keep sessions shorter or easier instead of forcing an increase. If you already run, ride or play sport regularly, count that before adding anything more.

A simple note of session length, effort and how tired you feel the next day is enough to get started. If your legs stay heavy, your gym sessions keep slipping or you’re cutting sleep to fit everything in, scale back and reassess. Australian guidelines recommend seven to nine hours of good-quality sleep for adults.^[3]

For help adjusting your gym sessions, see our guide to training after a physical job.

What the research says

A study of more than 104,000 Danish adults found that more leisure-time activity was linked to fewer major cardiovascular events and deaths. Physically demanding work didn’t show the same pattern.^[5]

The study followed people over time rather than assigning them jobs or exercise, and activity was self-reported. So it can’t prove that physical work causes harm, and it can’t prescribe your ideal training week. It does give us a good reason not to assume a tiring job gives you the same benefits as planned exercise.^[5]

When to get advice

If you have a health condition, an injury, or any concerns about starting exercise, talk to your GP or an accredited exercise physiologist.^[4] Stop exercising if you get chest pain, dizziness or unusual breathlessness.^[4] Chest pain needs medical assessment straight away.^[6] In Australia, call triple zero (000) for severe or worsening chest pain, pain that lasts 10 minutes, or severe difficulty breathing.^[6][7]

For this week, take a look at what your job already gives you. If cardio is missing, choose one manageable session and see how you recover before adding more.