Dr. Öğr. Üyesi Görkem Kıyak
OrthopedicsVerified
- 21+years exp.
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Prosthetics & Orthotics
Sports above knee prosthetics
What sports above knee prosthetics are, how an activity knee, socket and foot work together for running, cycling or swimming after a transfemoral amputation, what the evidence says, how they compare with an everyday leg, approximate costs in Turkey against the UK, US and Germany, fitting steps, adaptation time and risks.
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Sports above knee prosthetics in Turkey: what they are and why the knee matters
Sports above knee prosthetics are artificial legs for people with a transfemoral amputation (through or above the knee) who want to run, cycle, swim, hike or play sport. They differ from everyday legs in three ways: a knee that can be controlled at faster speeds and under impact, a socket and suspension that hold securely during vigorous movement, and a foot or blade that returns energy. Because the user has no natural knee, the prosthetic knee decides whether the leg bends safely when you stand, swing it through when you run and stay locked when you land.
An above-knee leg asks more from the user than a below-knee one. It demands more energy for the same walking speed and more control from the hip muscles. This guide explains the components, what the evidence says, the choices of knee and socket, what it costs in Turkey compared with the UK, US and Germany, how fitting works and what recovery from the adaptation period is like. For the wider field see our overview of prosthetics and orthotics in Turkey and our general guide to the sports prosthetic leg.
Which knee suits which sport?
The knee is the most important and most expensive part of the leg.
- Mechanical single-axis or polycentric knee: simple, robust and light; suitable for walking and light activity, with stance control through friction or a lock.
- Hydraulic or pneumatic (fluid-controlled) knee: adjusts swing speed so you can change pace; the usual choice for active users who walk quickly or jog.
- Microprocessor-controlled knee: sensors adjust resistance step by step, which can reduce stumbles on slopes and uneven ground; some are water-resistant. They need charging and servicing.
- Running knee: built for a swing phase at running speed, usually paired with a blade; it is not designed for everyday walking.
A prosthetist may fit one knee for daily use and another for sport, because the best knee for running is rarely the safest for walking on stairs.
Do sports above knee prosthetics work? What the evidence says
They help many people return to sport, but the evidence needs honest handling. Studies on fluid-controlled and microprocessor knees show better stability, fewer falls and a more natural gait on slopes for some users; the benefit is clearer for walking than for running. Running after a transfemoral amputation is possible with a running knee and blade but needs more energy and training than after a below-knee amputation, and top performance is demanding. Most research involves small groups, so your own trial fit matters more than a general claim. No leg gives back the function of a natural limb, and any clinic promising a specific speed or return to a specific sport should be questioned.
Sports above knee prosthetics cost in Turkey compared with the UK, US and Germany
These approximate ranges cover a complete sports leg with socket, knee and foot or blade. They are not hospital quotes; a prosthetics centre confirms its price in writing after an assessment.
| Country | Approximate cost range |
|---|---|
| Turkey | €5,000 – €28,000 |
| United Kingdom | €9,000 – €50,000 |
| United States | €15,000 – €75,000 |
| Germany | €10,000 – €55,000 |
What changes the price: the knee (a microprocessor or running knee costs far more than a mechanical one), the foot or blade, the socket and suspension type, whether the knee is for sport only or also for daily use and how many fittings are included. Ask for each component to be named, and check the warranty and the cost of servicing and batteries.
Sockets and suspension: how does the leg stay on during sport?
The socket is where above-knee users feel most of their comfort and problems. Because the thigh is soft, the socket must hold the limb without painful pressure on the pelvis or groin. Common designs include ischial-containment and subischial sockets, often with a flexible inner wall and a stiff outer frame. Suspension may be a silicone liner with a pin or lanyard lock, suction through a valve or a vacuum system that draws the limb into the socket and helps control volume changes during exercise. A secure fit also means less hip drive is wasted. Some people, if they have repeated skin problems, ask about bone-anchored (osseointegrated) options; these involve surgery and are available only in certain centres, so ask the specialist whether you are suitable.
Above-knee, below-knee or an everyday leg: how do they compare?
People often ask whether the limb length or the choice of activity leg makes a big difference. The table compares the three situations. If you have a below-knee amputation, our page on sports below knee prosthetics covers that situation.
| Type of leg | Best suited to | Typical limits |
|---|---|---|
| Sports above-knee leg | Transfemoral amputees who run, cycle, swim or hike | Higher energy cost; more training; higher component cost |
| Sports below-knee leg | Transtibial amputees; natural knee kept | Needs a healthy knee and a well-fitted socket |
| Everyday above-knee leg | Daily walking, stairs and work | Not built for impact or sport |
Who can use one, and who should wait?
Suitable candidates have a healed, stable limb, good skin, enough hip strength and the fitness to use the leg in sport. Activity levels are often graded K0 to K4; running components are normally for K3 and K4 users. You may need to wait if your wound is still healing, your limb volume is changing in the first year after surgery, you have pressure sores, nerve pain or poor circulation, or you have not learned to walk safely on an everyday leg. Strengthening the hip and core muscles before fitting helps. For the surgery that comes first see our page on amputation.
How are above-knee sports legs fitted, step by step?
No anaesthetic or operation is involved. Your prosthetist examines the limb, strength and goals, then scans or casts the limb and builds a test socket in clear plastic to check the fit. You walk on parallel bars, and the alignment of the knee over the foot is adjusted to control stability. A running knee is tuned for swing and stance settings. After the definitive socket and components are made, gait training and a final check with video follow. Plan sessions on consecutive days so that adjustments can be made between them.
How long should you stay in Turkey, and what is adaptation like?
Plan about one to two weeks for a new leg, and longer if you need physiotherapy. Adaptation takes weeks to months: you begin with a few minutes of wear in sport mode and increase it gradually, with skin checks after each session. Many people notice muscle fatigue in the hip and back at first. Realistic results are a safer, more balanced gait and a return to your sport at a level that suits your fitness, not an instant natural stride. Agree how follow-up and spare parts will be handled at home before you travel.
Risks and problems with sports above-knee legs
The main concerns are skin irritation and sores where the socket presses on the pelvis, groin or thigh, a socket that loosens as limb volume changes, back, hip and sound-leg pain from uneven loading, and falls if the knee does not lock when it should. Components wear faster under sport loads, and electronic knees need charging and regular servicing. Check your skin daily and see a prosthetist promptly if redness does not fade. The NHS and the Amputee Coalition publish reliable guidance on skin care and safe activity.
How to choose a prosthetics centre, red flags and questions to ask
Look for a certified prosthetist with experience of transfemoral sport fittings, a workshop on site for quick adjustments and a plan for follow-up. Red flags include a quote with no named knee or foot, no test socket, pressure to buy a microprocessor knee without trial and no after-sales plan. Read how our process works and ask for a plan through our free quote page.
- Which knee do you recommend for my sport and weight, and can I trial it?
- Which socket and suspension system will be used?
- What is the warranty on the knee and how is servicing arranged abroad?
- Is physiotherapy or gait training part of my stay?
- What happens if the socket needs adjusting after I fly home?
Hospitals with Orthopedics in Turkey
Frequently asked questions
They are artificial legs for people with an amputation above the knee who want to take part in sport. They combine a controlled prosthetic knee, a secure socket and an energy-storing foot or running blade.
Yes, with a running knee and a blade, but it needs more energy and training than running after a below-knee amputation. Many users start with a walk-run programme under supervision.
Approximately €5,000 to €28,000 in Turkey, against about €9,000 to €50,000 in the UK. The knee is the biggest factor, followed by the foot, the socket and the number of fittings.
It depends on the activity. Fluid-controlled knees suit active walking and jogging, microprocessor knees add stability on uneven ground, and running knees are built for swing at speed. A trial fit decides.
Usually several weeks to build up wearing time and a few months to feel confident in sport. Hip strength and balance training shorten the process.
It should not be. Some pressure and redness are common at first, but pain or sores mean the socket or alignment needs adjusting by your prosthetist.
Yes. Waterproof legs and knees exist for swimming, and cycling usually uses an adaptor or a fixed pedal setup. Check that the components you choose are rated for water and impact.
Feet and blades often last several years, but sockets need adjusting or replacing sooner as the limb changes. Knees depend on the model and servicing, and electronic knees need regular checks.
No. Fitting needs no anaesthetic, but your amputation must be healed and the limb stable. Bone-anchored options are a separate surgical choice available only in selected centres.
About one to two weeks for a new leg, to allow a test socket, the final fitting and adjustments. Adding gait training or physiotherapy may mean a longer stay.
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