Can crunches burn belly fat?
A hundred crunches a day for a flatter tummy? Take a guess first.
What do you think? Take a guess.
For most people, no. Your body doesn't choose to burn fat from the area you're working. In one study, 6 weeks of regular ab exercises made people's core stronger but didn't reduce belly fat. Overall activity, sleep and food matter more.
Key points
Your body draws energy from fat stores across the body, not just near the working muscle.
6 weeks of ab exercises, 5 days a week, built core strength but didn't change belly fat or waist size.
It helps posture, balance, your back and everyday lifting.
Regular movement, whole-body strength work, good sleep and balanced meals.
More energy, better sleep and easier stairs all count.
The longer read
It feels logical: work your tummy muscles, lose fat from your tummy. Sadly, the body doesn't work that way.
Fat loss happens all over
When you're active, your body draws energy from fat stores all over, not just from the area near the muscle you're using. Where you lose fat first is mostly down to your genes and your body.
What the research found
In one study, people did 7 ab exercises, 5 days a week, for 6 weeks. Their core muscles got stronger, but their belly fat, body fat and waist size didn't change compared with a group that didn't do the exercises. A few newer studies hint at a small local effect in some cases, but for most people, spot reduction isn't a realistic plan.
Keep the crunches, for the right reasons
A strong core helps your posture, balance and back, and makes everyday things like lifting and carrying easier. That's worth having.
What helps instead
- Regular movement you enjoy, like brisk walking, cycling, sport or dance.
- Strength work for the whole body, twice a week.
- Good sleep and balanced meals.
- Patience. Every body changes at its own pace.
And remember, progress isn't only about how you look. More energy, better sleep and climbing stairs without getting breathless all count.
Give it a go
For the next 7 days, pair a 20-minute brisk walk with a short core hold: a plank or wall sit for as long as feels comfortable, up to a minute. Notice how your energy feels by the end of the week.
Put it into practice
It's easier to keep going when you're doing it with others. Start one today.
Fittest Start
Join the ExperienceGeneral wellness information, not medical advice. If you have a health condition, are pregnant, or are starting something new after a long break, check with your doctor first.
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