Prosthetic legs, or prostheses, can help people with leg amputations get around more easily. They mimic the function and, sometimes, even the appearance of a real leg. Some people still need a cane, walker or crutches to walk with a prosthetic leg, while others can walk freely.
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If you have a lower limb amputation, or you will soon, a prosthetic leg is probably an option youre thinking about. There are a few considerations you should take into account first.
While many people with limb loss do well with their prosthetic legs, not everyone is a good candidate for a leg prosthesis. A few questions you may want to discuss with your doctor before opting for a prosthetic leg include:
The type of amputation (above or below the knee) can also affect your decision. Its generally easier to use a below-the-knee prosthetic leg than an above-the-knee prosthesis. If the knee joint is intact, the prosthetic leg takes much less effort to move and allows for more mobility.
The reason behind the amputation is also a factor, as it may impact the health of the residual limb. Your physical health and lifestyle are also important to consider. If you were not very active and lost your leg due to peripheral vascular disease or diabetes, for example, you will struggle more with a prosthesis than someone who was extremely active but lost a limb in a car accident.
When it comes to amputation, each person is unique. The decision to move forward with a prosthesis should be a collaborative one between you and your doctor.
If your doctor prescribes a prosthetic leg, you might not know where to begin. It helps to understand how different parts of a prosthesis work together:
There are numerous options for each of the above components, each with their own pros and cons. To get the right type and fit, its important to work closely with your prosthetist a relationship you might have for life.
A prosthetist is a health care professional who specializes in prosthetic limbs and can help you select the right components. Youll have frequent appointments, especially in the beginning, so its important to feel comfortable with the prosthetist you choose.
Once youve selected your prosthetic leg components, you will need rehabilitation to strengthen your legs, arms and cardiovascular system, as you learn to walk with your new limb. Youll work closely with rehabilitation physicians, physical therapists and occupational therapists to develop a rehabilitation plan based on your mobility goals. A big part of this plan is to keep your healthy leg in good shape: while prosthetic technology is always advancing, nothing can replicate a healthy leg.
Learning to get around with a prosthetic leg can be a challenge. Even after initial rehabilitation is over, you might experience some issues that your prosthetist and rehabilitation team can help you manage. Common obstacles include:
Phantom limb pain, or pain that seems to come from the amputated limb, is a very real problem that you may face after an amputation. About 80% of people with amputations experience phantom limb pain that has no clear cause, although pain in the limb before amputation may be a risk factor.
Mirror therapy, where you perform exercises with a mirror, may help with certain types of phantom limb pain. Looking at yourself in the mirror simulates the presence of the amputated leg, which can trick the brain into thinking its still there and stop the pain.
In other cases, phantom limb pain might stem from another condition affecting the residual limb, such as sciatica or neuroma. Addressing these root causes can help eliminate the phantom pain.
At some point, you may notice that you arent as functional as youd like to be with your current leg prosthesis. Maybe your residual limb has stabilized and youre ready to transition from a temporary prosthesis that lasts a few months to one that can last three to five years. Or maybe youve outwalked your prosthesis by moving more or differently than the prosthesis is designed for. New pain, discomfort and lack of stability are some of the signs that it may be time to check in with your prosthetist to reevaluate your needs.
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Your prosthetist might recommend adjusting your current equipment or replacing one of the components. Or you might get a prescription for a new prosthetic leg, which happens on average every three to five years. If you receive new components, its important to take the time to understand how they work. Physical therapy can help adjust to the new components or your new prosthetic leg.
There are always new developments in prosthetic limb technology, such as microprocessor-driven and activity-specific components.
Its important to remember that youre not alone in navigating the many different prosthetic leg options. Your care team will help you weigh the pros and cons of each and decide on the ideal prosthetic leg that matches your lifestyle.
Johns Hopkins Comprehensive Amputee Rehabilitation Program
Having the support of a dedicated team of experts is essential when recovering from the amputation of a limb. At Johns Hopkins, our team of physiatrists, orthotists, prosthetists, physical and occupational therapists, rehabilitation psychologists and other specialists works together to create your custom rehabilitation plan.
Learn more about our amputee rehabilitation programGetting a prosthetic is a very involved process. Once the limb has been amputated, the first step is recovery, so that the surgical scar heals properly. The recovery usually takes at least two weeks, after which the patient can begin the rehabilitation process and practising with the artificial limb. Here are some points to consider, and discuss with your prosthetist before making your choice.
Comfort: The level of comfort a prosthetic offers is very important, especially when you use it day to day. If the prosthetic causes any kind of irritation or swelling around the residual limb, consult with your prosthetist for an adjustment or a replacement. Comfort while moving is also important.
Requirements: One question to ask when getting fitted for a prosthetic is What will I use it for? Each prosthetic is designed specifically for the person using it. Getting an artificial limb means getting measurements, moulds and making sure the limb fits just right. Artificial limbs are also classified on the level of activity the user is likely to be involved in. The classification, known as the K-Level starts from K-Zero to K-4, which indicates the lifestyle of the person with the prosthetic.
Environment: The environment is a very important factor to take into account when buying a prosthetic. The weather and the environs can affect your prosthetic and the limb remnant. Dry weather, humidity and cold all affect the way a prosthetic works. Dry skin can cause friction and irritation with the prosthetic and humidity causes sweat to accumulate, causing discomfort. Sand can affect prosthetic joints and salt water can corrode them if exposed. The residual limb and the stump can also be affected if the lining and socks are exposed to the elements and not washed thoroughly after.
Wearing Schedule: Adjusting to a prosthetic takes time and effort. Once the amputee has healed and completed physical therapy, he or she is fitted with a prosthetic. After the fitting has been completed, many adjustments and refits are made. A prosthetist always prescribes a wearing schedule to ease the patient into using an artificial limb with a minimum amount of wear-time, including standing and walking. The time is slowly increased if the patient shows no signs of discomfort.
Affordability: Some of the more advanced prosthetic limbs can be very expensive. Artificial bionic limbs made for high levels of usage cost more than say, a mechanical limb.
Availability: Finding a prosthetic that fits the needs of the amputee can vary from location to location. Some places have access to a very limited selection of prosthetics that rarely go beyond basic. Normally, its the larger cities that have access to more advanced and specialized prosthetics.
Upper or Lower Extremities: Upper and Lower Extremity prosthetic limbs have different care and use guides. Lower limbs take a lot more stress and also affect balance than upper limbs. Its best to consult a prosthetist on maintaining a prosthetic.
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