Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.
Your searched on: knee
Learn how knee arthroscopy is done and what to expect after surgery.
Plica in the Knee
Plica in the knee is a ridge or fold of the tissues lining the knee joint (synovium). Normally a plica does not cause problems, but it can become inflamed and thickened from injury or overuse. This is called "plica syndrome." Plica syndrome can...
Physical Therapy for Knee Arthritis
Painful knee arthritis can keep you from being as active as you need to be. You may not walk as much. You may avoid going up and down stairs. But when you don't move that knee as much, the ligaments, tendons, and muscles around it can shorten and...
Knee Replacement: Recovery
Learn about recovering from knee replacement surgery, and listen to stories about different recovery experiences.
Knee Arthritis: Treatments
Learn about the different treatment options for knee arthritis, and hear stories of what others have tried.
Knee Replacement Surgery
Learn what to expect during knee replacement surgery and how it can ease the pain of arthritis.
Knee Problems and Injuries
Looks at sudden injuries like meniscus tears or torn ligaments that cause knee pain. Covers injuries like bursitis and tendinitis caused by overuse. Includes tool to help you decide when to call a doctor. Offers home treatment and prevention tips.
Knee Replacement Surgery
Covers surgery to replace the ends of bones in a damaged joint. Includes slideshow on knee replacement. Looks at why surgery is done, risks, and how well it works. Discusses what to expect after surgery and living with a knee replacement.
Knee Arthritis: What Is Knee Replacement Surgery?
Learn how cartilage is replaced by implants in knee replacement surgery.
How to Do the Passive Knee Stretch
Passive knee extension exercises will help you be able to fully straighten your leg.
Knee Replacement: Learning About Rehab
Learn more about doing rehab right after knee replacement surgery, so you can find that sweet spot between resting and getting stronger.
Knee Arthroscopy: Recovering at Home
Learn what to expect and what to watch for as you recover from knee arthroscopy.
Deciding About Knee Replacement Surgery
Learn the pros and cons of having a knee replacement.
Arthritis: Shots for Knee Pain
Arthritis hurts. And it can make it harder to move your joints. When you don't move your joints as much, your ligaments, tendons, and muscles can shorten and get weaker. But knee shots, or injections, can help you cope with the pain and be more...
Knee Arthritis: What Is Osteoarthritis?
Learn what knee osteoarthritis is and what may cause it.
Knee Arthritis: Nonsurgical Treatments
Learn about different treatments for knee arthritis other than surgery.
Knee Replacement Surgery: Pros and Cons
Learn about the pros and cons of having knee replacement surgery.
Magnetic Resonance Imaging (MRI) of the Knee
Discusses test (also called MRI scan) that uses a magnetic field and pulses of radio wave energy to make pictures of the knee. Covers why it is used, including to find problems like arthritis, meniscus injury, or damaged cartilage, ligaments, or tendons.
Arthritis: Should I Have Knee Replacement Surgery?
Guides through decision to have knee replacement surgery for osteoarthritis. Describes other surgeries and treatment options used to decrease osteoarthritis pain. Covers benefits and risks. Includes an interactive tool to help you make your decision.
How to Do Stationary Biking for Knee Rehab
Riding a stationary bike is great for increasing the strength and mobility of your knees and legs.
How to Do the Knee Flexion Stretch While Sitting
Strengthen your knee and increase its range of movement with this seated knee flexion exercise.
Knee Replacement Surgery: How Others Decided
Hear what other people thought about as they decided whether to have knee replacement surgery.
Knee Replacement: When Can You Be Active Again?
Learn how long it might take to start doing everyday activities again after a knee replacement.
Knee Arthritis: What Can I Expect?
Learn how osteoarthritis usually begins, and listen to stories of how it can progress differently in different people.
How to Do the Single Knee-to-Chest Exercise
Learn how to do the single knee-to-chest exercise to stretch your hip and lower back.
Knee Bursitis and Tendon Injury: Preventing Pain
Patellar tendinopathy, also known as jumper's knee, affects the tendons that attach the kneecap to the shinbone and the quadriceps tendon to the kneecap. Prolonged kneeling can cause prepatellar bursitis, which can develop into an egg-shaped bump on...
ACL Injury: Should I Have Knee Surgery?
Guides through decision to have knee surgery for an ACL injury. Compares surgery to rest, exercise, and rehabilitation as treatment for an ACL injury. Covers benefits and risks. Includes an interactive tool to help you make your decision.
How to Do Short-Arc (Terminal) Knee Extensions While Standing
Strengthen the thigh muscles that help support your knee by doing short-arc (terminal) knee extension exercises.
Medial Collateral Ligament (MCL) Injury
An MCL injury is a sprain or tear to the medial collateral ligament. The MCL is a band of tissue on the inside of your knee. It connects your thighbone to the bone of your lower leg. The MCL keeps the knee from bending inward. You can hurt your MCL...
The decision to have a limb amputated is difficult for the person and his or her doctor. Many times, extensive measures have been tried to save the limb. The major causes of amputation are diabetes and/or peripheral arterial disease that results in...
Lateral Collateral Ligament (LCL) Injury
An LCL injury is a sprain or tear to the lateral collateral ligament (LCL). The LCL is a band of tissue on the outside of your knee. It connects your thighbone to the bone of your lower leg and helps keep the knee from bending outward. You can hurt...
A meniscus tear is a common knee injury. The meniscus is a rubbery, C-shaped disc that cushions your knee. Each knee has two menisci (plural of meniscus)—one at the outer edge of the knee and one at the inner edge. The menisci keep your knee steady...
ACL Injury: Exercises to Do Before Treatment
After an anterior cruciate ligament (ACL) injury, you lose leg strength and motion and stability of the knee. It is important that you regain your leg strength and motion as soon as possible, whether you choose to have surgery for your ACL injury or...
Patellar Tracking Disorder: Exercises
The thigh muscles (quadriceps) help keep the kneecap (patella) stable and in place. Weak quadriceps increase the risk of patellar tracking disorder. Ligaments and tendons also help stabilize the patella. If these are too tight or too loose, you have...
Anterior Cruciate Ligament (ACL) Injuries
An anterior cruciate ligament, or ACL, injury is a tear in one of the knee ligaments that joins the upper leg bone with the lower leg bone. The ACL keeps the knee stable. Injuries range from mild, such as a small tear, to severe, such as when the...
Covers the causes and symptoms of osteoarthritis. Covers possible treatments with over-the-counter pain medicines and prescription medicines. Includes info on home treatment for joint pain, including using heat or ice, staying at a healthy weight, and exercise.
Discusses Baker's cyst (also called popliteal cyst), a pocket of fluid that forms a lump behind the knee. Covers causes such as swelling from arthritis and knee injury. Discusses symptoms. Covers treatment, including things to do at home and surgery.
How to Do Heel Slides
Heel slides strengthen the muscles that bend your hip and your knee.
Meniscus Tear: Rehabilitation Exercises
A meniscus tear is a common knee joint injury. How well the knee will heal and whether surgery will be needed depends in large part on the type of tear and how bad the tear is. Work with your doctor to plan a rehabilitation (rehab) program that...
Patellofemoral Pain Syndrome
Patellofemoral pain syndrome is pain in the front of the knee. It frequently occurs in teenagers, manual laborers, and athletes. It sometimes is caused by wearing down, roughening, or softening of the cartilage under the kneecap. Patellofemoral pain...
The kneecap (patella) is normally positioned over the front of the knee joint at the base of the thighbone (femur). A kneecap can be dislocated, or moved out of its normal position, when: The inner edge of the kneecap is hit, pushing it toward the...
Describes extremity X-rays, what they are, and why they are done. Provides tips on how to prepare. Also covers risks. Explains normal and abnormal results, as well as what can affect accuracy of tests.
How to Do Heel Raises
Heel raises strengthen your lower leg muscles, which help support your knees, ankles, and feet.
How to Do the Single-Leg Balance Exercise
Single-leg balance exercises improve balance and strengthen the muscles that support the knees.
How to Do Quad Sets
Quad sets can strengthen your quad muscles—the muscles in the front of your thigh that help straighten your knee.
Posterior Cruciate Ligament (PCL) Injury
A PCL injury is a sprain or tear of the posterior cruciate ligament (PCL). The PCL is a band of tissue that crosses inside the center of the knee joint. It connects your thighbone to the bone of your lower leg. The PCL keeps your knee stable when it...
Bruises and Blood Spots Under the Skin
Discusses how and why bruises and blood spots might develop. Offers checklist to help you decide when to call a doctor. Offers home treatment and prevention tips.
A subluxation is a partial dislocation. The kneecap, or patella, can sublux out of its normal position more easily when the thigh muscles are weak, when the patella is not firmly held by the surrounding tendons and ligaments, or when there is a...
Includes info on psoriasis, a chronic skin disorder. Covers causes and symptoms, including scaly patches on the knees, elbows, and scalp. Includes info on what increases your risk. Covers treatment with creams and oral medicines. Offers home treatment tips.
Meniscus Tear: Should I Have a Diagnostic Test (MRI or Arthroscopy)?
Guides through decision to have a diagnostic test like an MRI or arthroscopy done on a meniscus tear. Describes the two tests. Lists the three types of meniscus tears. Covers benefits and risks. Includes an interactive tool to help you make your decision.
RICE: Rest, Ice, Compression, Elevation
Learn steps you can take at home to reduce pain and swelling after a sprain or strain.
Meniscus Tear: Should I Have Surgery?
Guides you through the decision to have surgery for a torn meniscus. Explains two kinds of surgery. Explains when surgery is done. Lists risks and benefits of surgery for meniscus tear. Includes interactive tool to help you decide.
Quick Tips: Exercising Safely With Arthritis
Exercise is one of the best things you can do to help keep your muscles strong and reduce joint pain and stiffness. And it can help you reach and stay at a healthy weight. But you want to make sure that you don't hurt your joints when you exercise....
Coping With Osteoarthritis
When you find out that you have osteoarthritis, you may be scared and worried about how it may change your life, work, and relationships. It's hard to know how fast your arthritis may progress. Your symptoms may come and go, stay the same, or get...
Hot and Cold Therapy for Arthritis
Learn how to use heat and ice to treat pain from arthritis.
Arthritis: Making Everyday Activities Easier
Get ideas about tools and changes to your home that can simplify your daily life.
Exercising Safely With Arthritis
Learn how activity can help reduce joint pain and how to exercise safely when you have arthritis.
Modifying Activities for Osteoarthritis
If you have osteoarthritis and your joints hurt when you do an activity, try other ways of doing it that do not cause pain. If you get tired when you do a task for long periods of time, break the task down into several smaller tasks, and rest...
Osteoarthritis: Exercising With Arthritis
Covers exercises that are helpful for a person with osteoarthritis. Includes aerobic, strength, and flexibility exercises, and tips to motivate yourself. Includes things to avoid. Looks at why it is important to exercise and gives tips on how to exercise.
Meniscectomy for a Meniscus Tear
Meniscectomy is the surgical removal of all or part of a torn meniscus. A meniscus tear is a common knee joint injury. Surgeons who perform meniscectomies (orthopedic surgeons) will make surgical decisions based on the meniscus's ability to heal as...
A meniscus tear is a common injury to the cartilage that stabilizes and cushions the knee joint. The type of the tear can determine whether your tear can be repaired. Radial tears sometimes can be repaired, depending on where they are located....
Learn how surgery for a meniscus tear is done and what to expect after surgery.
ACL Reconstruction Surgery
Learn how ACL surgery is usually done and what to expect after surgery.
Anterior Cruciate Ligament (ACL) Surgery
Surgery for anterior cruciate ligament (ACL) injuries involves reconstructing or repairing the ACL. ACL reconstruction surgery uses a graft to replace the ligament. The most common grafts are autografts using part of your own body, such as the...
Meniscus Surgery: Recovery Time
Surgery to repair a torn meniscus involves rehabilitation, although it varies depending on the injury, the type of surgery, and your orthopedist's preference. In general, meniscus surgery is followed by a period of rest, walking, and selected...
Joint Replacement: Realistic Expectations
It is important to have realistic expectations of joint replacement surgery. Replacement joints are not "miracle" joints. They will not restore a joint to the function it had before the arthritis began. Pain relief is the most dependable outcome of...
Juvenile Idiopathic Arthritis: Deciding About Total Joint Replacement
If your child has severe joint damage from juvenile idiopathic arthritis (JIA), your child's doctors may recommend a total joint replacement. As you and the doctors work through this decision together, consider the following: Your child's age....
Helps you check symptoms of leg injuries caused during sports or recreational activities, work-related tasks, and work or projects around home. Includes bruises, swelling, sprains, pulled muscles, and broken bones. Discusses treatment and prevention.
Bev's Story: Coping With Arthritis
Bev isn't letting the pain of arthritis in her hands and back keep her from doing her favorite activity—gardening. Nor does she let it keep her from doing anything else in her life. She has found ways to help reduce the pain that allow her to still...
Complementary Medicine for Arthritis
Complementary medicine includes many treatments you can use along with standard medical treatment. A lot of people use some form of complementary medicine to treat osteoarthritis. Some of these treatments may help you move more easily and deal with...
Capsaicin for Osteoarthritis
Capsaicin (Zostrix), available without a prescription, is a pain reliever that comes in a cream that you apply directly to your skin (topical analgesic). It has been found to relieve joint pain from osteoarthritis in some people when rubbed into the...
Osteotomy for Osteoarthritis
Covers surgery (osteotomy) to remove a wedge of bone near a damaged joint. Looks at why it is done and what to expect after surgery. Covers physical therapy. Includes info on how well it works and the risks of surgery.
Complications of Osteoarthritis
Most people find osteoarthritis to be a nuisance that eventually becomes significant enough to affect their daily activities. And sometimes there are more serious complications. Possible complications of osteoarthritis include: Rapid, complete...
Comparing Rheumatoid Arthritis and Osteoarthritis
Rheumatoid arthritis and osteoarthritis are different types of arthritis. They share some similar characteristics, but each has different symptoms and requires different treatment. So an accurate diagnosis is important. Osteoarthritis is the most...
Paraffin Wax for Arthritis
You can use paraffin wax (may be called either paraffin or wax) to apply moist heat to your hands or feet to ease the pain and stiffness of osteoarthritis. Paraffin especially helps to reduce pain and loosen up your hand and finger joints before...
Preventing ACL Injuries
A lot of the research on preventing anterior cruciate ligament (ACL) injuries has focused on women: women athletes injure their ACLs up to 8 times as often as men athletes. Although the following tips come from women's programs, they can...
Physical Rehabilitation for ACL Injuries
Your doctor or physical therapist will design a physical rehabilitation (rehab) program for you that takes into consideration your normal level of activity, physical fitness, and extent of your anterior cruciate ligament (ACL) injury. A rehab...
Quick Tips: Modifying Your Home and Work Area When You Have Arthritis
The pain and stiffness from arthritis may make it hard for you to do your daily tasks. For instance, if you have problems with your hands or fingers, you may find it hard to type or to open and close a door. If you have problems with your hips or...
Exercise and Osteoarthritis
A regular exercise program is an important part of anyone's lifestyle. If you have osteoarthritis, check with your health professional before beginning or continuing any exercise so that you can determine whether it is safe and effective for...
Osteoarthritis: Heat and Cold Therapy
For moderate to severe pain from osteoarthritis, try applying heat and cold to the affected joints. Experiment with these heat and cold techniques until you find what helps you most. Apply heat 2 or 3 times a day for 20 to 30 minutes, using a...
Treatment for ACL Injuries in Children and Teens
Anterior cruciate ligament (ACL) injuries in children and teens are less common than in adults. But they do occur, especially in teens. An injury that hasn't been treated (or one in which the treatment didn't work) can lead to future knee problems....
Small Joint Surgery for Osteoarthritis
If osteoarthritis in the joints of the hands or feet is so severe that function is impossible (rare with osteoarthritis), surgery may allow some pain-free motion. In the hands, the goal is enough pain-free motion to allow the person to do basic...
Medicines That Can Cause Bruises
Many prescription and nonprescription medicines may reduce your blood's ability to clot and cause bruising or bleeding under the skin. A few examples are: Medicines (called blood thinners) that prevent blood clots. Also, taking a nonprescription...