Should you work out for 30 minutes or an hour?


How long should you work out?

Thirty minutes might not seem long enough when it comes to reaching your fitness goals, but in the exercise world, more isn’t always better.

According to personal trainer Jeff Smith, intensity beats duration.

Read more: This 60-second workout will get you in shape

Which is better: 30 minutes or 60 minutes?

‘If you’re working very hard, you can do it in an hour,’ he said. ‘So the length of time is really irrelevant without looking at the intensity of the work.’

The government’s fitness recommendations aren’t meant to keep you in the gym for hours. It says adults ages 18 to 64 should exercise at a moderate intensity for at least 2 1/2 hours each week or at a vigorous intensity for 1 hour and 15 minutes a week.

When it comes to knocking out those workouts in 30 minutes vs. 60 minutes, Smith said to think of it like sprinting vs. jogging: What you spend on intensity, you make up for in time. It’s why high-intensity interval training, or HIIT workouts, are so popular right now. They can be as short as 20 minutes, and you not only burn more calories than a lower-intensity training session, but you keep burning calories in the hours after you’re done.

But you need to work up to that.

If you’re a rookie, a 60-minute workout could be easier because it might be tough to go at the intensity you need for a shorter time.

And as you get stronger, Smith said you can easily cut out some exercises that don’t maximize your time. For example, if you want to lose weight, chin-up exercises are better than bicep curls because they work more muscle groups.


Read more: Study says not exercising may be just as bad for you as smoking

The extra step that can save you lots on medical bills

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