What the evidence says
No trial has tested exercise programmes in people with a hernia, so the advice on exercising with one is expert opinion. The trials here are about lifting, watchful waiting, activity after surgery and reflux.
Lifting and the risk of a groin herniaMixed evidence
A review of 23 studies found too little evidence to say whether heavy work causes groin hernias. In 17,967 Danish men followed through national records, direct (medial) groin hernias weren't linked with physical work at all, and indirect (lateral) ones were about 45% more likely in men who stood or walked for 6 hours a day or more at work. Exercise in their spare time wasn't linked with either. The international guideline calls the evidence on work contradictory and says heavy lifting may make a hernia more likely.
Sources 3, 4, 9
Pressure inside the tummyEmerging evidence
In 20 healthy adults, jumping and coughing produced by far the highest pressures inside the tummy, while lifting a 10-pound (4.5 kg) weight raised it only a little above standing. In 30 women, many activities people are often told to avoid after surgery, including lifting up to 20 pounds (9 kg) from a counter, climbing stairs, brisk walking and crunches, raised the pressure no more than getting up from a chair; lifting 35 pounds (16 kg) from the floor raised it most, and how the lift was done made a difference. Neither study looked at hernias themselves.
Sources 5, 6
Waiting with a groin herniaStrong evidence
In a trial of 720 men with a painless or barely painful inguinal hernia, pain and physical function after 2 years were similar with waiting and with surgery, and a hernia became stuck in about 2 men per 1,000 a year. Across 9 studies of 858 men, about a third of those who waited had surgery within 3 years and over two-thirds within 10, mostly because of pain; emergency operations were uncommon (2% to 3%).
Sources 7, 8
Women and femoral herniasStrong evidence
Femoral hernias are more likely to need emergency surgery: 36% to 39% of them in Scandinavian records were repaired as emergencies, against 5% of inguinal hernias, and 17% of women with groin hernias needed emergency repair, against 5% of men. The international guideline recommends prompt repair for women, and the NHS says femoral hernias need treatment in hospital.
Sources 9, 10
Getting active soon after a groin repairStrong evidence
The international groin hernia guideline recommends going back to normal activities without restrictions as soon as you feel comfortable, and says no study has shown that an early return increases the risk of the hernia coming back; its 2023 update didn't change this. In 34,822 Danish men, heavier lifting at work after a groin repair didn't raise the risk of another operation, though it meant longer off work.
Sources 9, 18, 19
After a repair through a scar: little evidenceMixed evidence
European surgeons advise avoiding heavy lifting and straining for 4 weeks after an incisional hernia repair, while saying there's a lack of evidence; surveys of surgeons favour 2 to 4 weeks of reduced activity after simpler repairs and longer after complex ones. A German trial comparing 3 and 6 weeks of restrictions has published only its plan so far.
Sources 12, 20
Getting fitter before surgeryMixed evidence
European surgeons advise losing weight if needed, controlling diabetes, stopping smoking and improving fitness before a planned repair. In a trial of 118 people with obesity waiting for a hernia repair in the front of the tummy, diet and exercise coaching meant more people were free of the hernia and complications soon after surgery (70% against 48%), but not at 2 years (73% against 66%), and more needed emergency surgery while they waited.
Sources 12, 21, 22
Belts and bindersMixed evidence
Across 5 small trials (297 people) after hernia repairs in the front of the tummy, people who wore a binder had slightly lower pain scores at 2 weeks and fewer wound infections. After keyhole umbilical repair in 56 people, a binder made no measurable difference, though most people liked wearing one. Before surgery, the British Hernia Society says a support garment can reduce pain. We found no study showing that a belt stops a hernia getting bigger.
Sources 23, 24, 1
Exercise and refluxEmerging evidence
In a Norwegian study of 43,363 people, exercising for 30 minutes or more at least once a week went with half the odds of severe reflux, and a review of 33 studies (242,850 people) found less reflux disease with more activity. Both are observational. Hard exercise can also bring reflux on: in 30 athletes who already had heartburn with exercise, weightlifters had the most reflux, runners less and cyclists the least, with more after eating.
Sources 13, 14, 15
Breathing exercises for refluxEmerging evidence
Across 10 small trials (476 people), diaphragmatic breathing modestly improved reflux symptoms, with very varied results. In a laboratory trial, slow breathing after meals cut reflux episodes in people whose reflux comes on when they're upright.
Sources 25, 26
Where other treatment fitsStrong evidence
Surgery is the only repair for a hernia, and many don't need it urgently. For a hiatus hernia, the NHS and NICE (the National Institute for Health and Care Excellence) put lifestyle changes first; a pharmacist may suggest medicines such as antacids or alginates, a GP (general practitioner) can help if symptoms don't settle, and surgery is only for people whose symptoms don't respond to other treatment. Don't stop a prescribed medicine without talking to a doctor. Exercise supports these treatments but doesn't replace them.
Sources 2, 1, 17, 27