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Train for your surgery: build your prehab plan
Surgery is a physical event — and you can train for it. Enter your surgery date and starting point, and get a dated, week-by-week plan: walking targets that ramp up, strength and breathing practice, a protein goal, and your smoking and alcohol stop dates.
Quick answer
Prehabilitation means preparing your body before surgery so recovery starts from a higher baseline: walk daily and build toward 30 minutes brisk, do sit-to-stand strength reps and 5 minutes of slow breathing practice each day, eat more protein (roughly 1.2–1.5 g per kg per day), stop smoking immediately (even weeks help) and cut alcohol to zero well before surgery. Exercise and nutrition prehab is linked to fewer complications and shorter hospital stays. Start 4+ weeks out if you can — but even one week pays off.
Frequently asked questions
What is prehabilitation (prehab) before surgery?
Prehab means training for your operation the way you'd train for an event: building fitness, nutrition and breathing practice in the weeks before surgery so your body starts recovery from a higher baseline. Studies of exercise and nutrition prehab programs show better wellbeing, fewer complications, and nutrition-focused programs shortening hospital stays. Surgeons' organizations now actively recommend optimizing exercise and nutrition before surgery.
How long before surgery should I start prehab?
Ideally 4 or more weeks — that's enough time for measurable fitness gains. But even 1–2 weeks is worth it: breathing practice, daily walks, stopping smoking and cutting alcohol all pay off in days, not months. This tool builds whatever-length plan your date allows.
Does stopping smoking shortly before surgery really help?
Yes. Even a few weeks smoke-free improves oxygen delivery and wound healing, and every smoke-free day before anesthesia counts — carbon monoxide clears within a day or two. Four or more weeks is where complication rates drop clearly, but stopping today always beats stopping tomorrow.
How much should I walk before surgery?
Build toward 30 minutes of brisk walking most days if you can — brisk means you can talk but not sing. If you're starting from mostly sitting, begin with two 10-minute walks a day and add 5 minutes every few days. Any increase from your baseline helps; the goal is arriving at surgery fitter than you are today.
Is it safe to start exercising before my operation?
For most people walking and light strength work is safe and beneficial. Check with your team first if you get chest pain or severe breathlessness on exertion, faint, have severe joint pain, or were told to restrict activity. This plan is educational — your surgical team's advice always wins.