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Your leg after a fibula flap: walking, swelling and healing | CION Cancer Clinics
Most people walk again after the fibula is taken from the lower leg to rebuild the jaw, and many walk without a stick once the wound heals. The ankle may feel stiff, the foot may swell and part of the skin may stay numb for months. This page explains how walking comes back, what is expected and what needs a same-day call. CION Cancer Clinics’ surgical oncologists in Hyderabad can talk this through with you.
MI
Medically reviewed by Dr. Mohammed ImaduddinConsultant Surgical Oncologist · MBBS, MS (General Surgery), MCh (Surgical Oncology) · last reviewed September 2026, next review due September 2027
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On this page
- Will I be able to walk normally after a fibula flap?
- How does walking come back, step by step?
- What changes in the leg are common afterwards?
- Which leg problems are expected, and which need a call?
- What do families believe about the leg, and what is true?
- What should you ask before surgery about the leg?
- Common questions about the leg after a fibula flap
The short answer
Will I be able to walk normally after a fibula flap?
Most people walk again after the fibula is taken from the leg, and many walk without a stick once the wound has healed. The ankle and foot can feel stiff, weak or numb for some months, and a small number of people notice a change for longer.
Why the leg copes without this bone
The lower leg has two bones. The larger one, the shin bone, carries nearly all of your weight. The fibula is the thin bone on the outer side. The surgeon leaves a piece at the knee end and a piece at the ankle end, so both joints stay steady. What changes is mainly the muscles that were attached to the bone, and they need time and exercise to settle.
What the wound looks like
There is a long cut down the outer side of the lower leg. If skin was taken with the bone to line the mouth, the gap on the leg is often closed with a thin skin graft, a layer of skin taken from the thigh. That area needs careful dressing and rest while it takes.
Who tends to take longer
Recovery is often slower in older people, in people with diabetes or poor leg circulation, in smokers, and in anyone who was not walking much before surgery. None of these rule the operation out on their own. They are things your team weighs when choosing the donor site.
Back on your feet
How does walking come back, step by step?
Leg raised and resting
In the first days the leg is kept up on pillows and may be in a splint or firm bandage. This protects the wound and any skin graft while you are still being watched closely for the jaw.
Standing with help
When the surgeon allows, a physiotherapist helps you stand and take a few steps with a frame. Weight on the leg is usually built up gradually, following the plan your surgeon sets.
Walking aid at home
Many people go home with a frame or stick. You practise walking short distances often, and do ankle and toe exercises several times a day to stop stiffness setting in.
Building strength
Over the following weeks and months, balance and calf strength return. Stairs, uneven ground and squatting are usually the last to feel easy.
Not sure whether this applies to you?
Ask an oncologistWhat the leg may feel like
What changes in the leg are common afterwards?
These are the things people most often notice. Not everyone has them, and most ease with time and exercise.
Ankle stiffness
The ankle can feel tight, especially first thing in the morning. It is one of the most common complaints and responds well to regular stretching.
A weaker big toe
A muscle that bends the big toe is attached to the fibula. Some people find the toe curls or pushes off less strongly when they walk.
Numb patches
Skin around the scar or on the top of the foot can feel numb or tingly. Feeling often improves slowly, though a small patch may stay numb.
Swelling of the foot
The foot and ankle swell more by evening, and more in hot weather. Raising the leg when you sit helps.
Tell your team if
- The swelling suddenly worsens
- The calf becomes painful or hot
Skin graft care
If you have a graft, it may look shiny or dented once healed. Slow healing of the graft is one of the commoner reasons for extra dressing visits.
At home
Which leg problems are expected, and which need a call?
Usually expected
Call your team the same day
Mild swelling of the foot that is worse by evening
Swelling of the whole calf with pain or heat
A tight, stiff ankle in the morning
The toes turn pale, blue or cold
A little clear ooze on the dressing early on
Thick, smelly discharge, spreading redness or fever
Numbness around the scar
Sudden breathlessness or chest pain, which needs emergency care
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Commonly believed
What do families believe about the leg, and what is true?
"Resting the leg completely is the safest way to heal."
Some rest is needed at first, but lying still for too long lets the ankle stiffen and raises the risk of clots. Getting up as soon as your team allows, and doing the exercises, usually leads to better walking later.
"The bone will grow back."
The fibula does not grow back. The leg adapts without it. This is why the surgeon keeps the ends near the knee and ankle in place.
"She is elderly, so she will be bedridden after this."
Age alone does not decide how well someone walks afterwards. How active she was before, her balance and her general health matter more. Recovery may be slower, and extra support at home helps.
"He cannot sit cross-legged on the floor or use an Indian toilet ever again."
Squatting and floor sitting are often hard in the early months, because they need a flexible ankle. Many people regain them with time. A raised seat or commode is a sensible stopgap at home.
Being straight with you
What should you ask before surgery about the leg?
This page cannot tell you how your own leg will recover. That depends on how much bone and skin are taken, your health before surgery and how the wound heals. Your surgeon and physiotherapist can give you a better idea once they have examined you.
Questions worth asking
Ask which leg will be used and why. Ask whether skin will be taken from the leg and whether a skin graft is likely. Ask how much weight you may put on the leg in the first weeks, and when you can climb stairs. Ask what exercises to start and who to call about the leg once you are home.
Getting the home ready
Before discharge, think about stairs, the bathroom and the bed. A stool in the shower, a raised toilet seat and a clear path at night all reduce falls. If your work involves standing, driving or farm work, discuss a realistic return with the team.
Your jaw recovery and your leg recovery happen at the same time. Tiredness from both is normal.
Did you know
Before a fibula flap, the blood vessels of both legs are usually checked with a scan. It confirms the foot will still have a good blood supply after the bone and its vessels are moved to the jaw.
Questions we are asked
Common questions about the leg after a fibula flap
How long before I can walk without a stick?
It differs a lot between people. Some manage without an aid soon after going home, others need a stick for some months. Healing of the leg wound or skin graft, your balance and how active you were before all play a part. Your physiotherapist will tell you when it is safe to stop.
Will I limp permanently?
Most people do not have a lasting limp that others notice. Some feel a small difference when walking fast, running or climbing hills. Keeping up the ankle and calf exercises after the wound heals gives you the better chance of a steady walk.
Why does my foot swell so much in the evening?
Surgery disturbs the small vessels that drain fluid from the lower leg, so fluid gathers when you stand or sit with the foot down. Raising the leg and walking short distances often help. If the calf becomes painful, hot or suddenly larger, call your team the same day, as it can mean a clot.
My mother cannot feel part of her foot. Will it come back?
Numbness near the scar or on the top of the foot is common, because small skin nerves are cut. Feeling often returns slowly over months, though a patch may stay numb. Check the foot daily for cuts or blisters she cannot feel, especially if she has diabetes.
Can I drive after a fibula flap?
Driving needs you to brake hard and turn your head freely, and the neck and jaw are healing too. Wait until your surgeon agrees and you can press the pedal firmly without pain. If the right leg is the donor, this may take longer. Check your insurance terms as well.
What exercises should I do for the ankle?
Your physiotherapist will show you exercises that suit your wound, usually moving the ankle up and down, circling it and stretching the calf. Do them little and often. Do not start stretches that pull on a fresh skin graft until the team says the graft has taken.
Does it matter which leg they choose?
The choice depends mostly on the blood vessels and which side of the jaw is being rebuilt. If one leg matters more to you, for driving, work or an old injury, say so at the planning visit. It does not always change the choice, but it is fair to ask.
Will the leg scar be very visible?
There is a long scar on the outer side of the lower leg. If a skin graft was used, that area can look flatter and a different colour. Scars usually fade and soften over the first year or so. Protect the scar from strong sun while it is still pink.
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Sources
- Cancer Research UK — Surgery for mouth and oropharyngeal cancer
- NHS — Mouth cancer: treatment
- Macmillan Cancer Support — Head and neck cancer
- American Cancer Society — Oral Cavity and Oropharyngeal Cancer
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
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