Knee injuries, especially meniscus tears, are common in contact sports. Symptoms and signs of a torn meniscus include knee pain, swelling, a popping sound, and difficulty bending the leg. Treatment may involve resting, icing, compressing, and elevating the knee, in addition to wearing a knee brace, taking anti-inflammatory medications, and stretching the knee. Read more: Knee Injury Article
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Sports Injuries: Types, Treatments, and Prevention
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Picture of Torn Meniscus
The knee is a joint where the bone of the thigh (femur) meets the shinbone of the leg (tibia). See a picture of Torn Meniscus and...
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IMAGESSee a medical illustration of the knee's anatomy plus our entire medical gallery of human anatomy and physiology See Images
Related Disease Conditions
What Can Cause Pain Behind the Knee?
What causes pain behind the knee? Learn about Baker's cyst and other causes of pain behind the knee and what to do about them.
Acute injuries, medical conditions, and chronic use conditions are causes of knee pain. Symptoms and signs that accompany knee pain include redness, swelling, difficulty walking, and locking of the knee. To diagnose knee pain, a physician will perform a physical exam and also may order X-rays, arthrocentesis, blood tests, or a CT scan or MRI. Treatment of knee pain depends upon the cause of the pain.
A torn meniscus (knee cartilage) may be caused by suddenly stopping, sharply twisting, or deep squatting or kneeling when lifting heavy weight. Symptoms of a meniscal tear include pain with running or walking long distances, popping when climbing stairs, a giving way sensation, locking, or swelling. Treatment depends upon the severity, location, and underlying disease of the knee joint.
Obesity and Overweight
Obesity is the state of being well above one's normal weight. A person has traditionally been considered to be obese if they are more than 20% over their ideal weight. That ideal weight must take into account the person's height, age, sex, and build.
Torn ACL (Anterior Cruciate Ligament Tear)
The anterior cruciate ligament helps to prevent the top and bottom of the knee from sliding back and forth. Symptoms and signs of a torn ACL include knee pain and swelling. Treatment of a torn ACL depends upon the health of the patient and the patient's expectations and willingness to undertake extensive physical therapy. Rehabilitation after surgical repair of an ACL tear may take more than nine months.
Arthritis (Joint Inflammation)
Arthritis is inflammation of one or more joints. When joints are inflamed they can develop stiffness, warmth, swelling, redness and pain. There are over 100 types of arthritis, including osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis, lupus, gout, and pseudogout.
Bursitis of the knee results when any of the three fluid-filled sacs (bursae) become inflamed due to injury or strain. Symptoms and signs include pain, swelling, warmth, tenderness, and redness. Treatment of knee bursitis depends on whether infection is involved. If the knee bursa is not infected, knee bursitis may be treated with ice compresses, rest, and anti-inflammatory and pain medications.
A broken bone is a fracture. There are different types of fractures, such as: compressed, open, stress, greenstick, spiral, vertebral compression, compound, and comminuted. Symptoms of a broken bone include pain at the site of injury, swelling, and bruising around the area of injury. Treatment of a fracture depends on the type and location of the injury.
Learn about osteoporosis, a condition characterized by the loss of bone density, which leads to an increased risk of bone fracture. Unless one experiences a fracture, a person may have osteoporosis for decades without knowing it. Treatment for osteoporosis may involve medications that stop bone loss and increase bone strength and bone formation, as well as quitting smoking, regular exercise, cutting back on alcohol intake, and eating a calcium- and vitamin D-rich balanced diet.
Sprains and Strains
An injury to a ligament is called a sprain, and an injury to muscle or tendon is called a strain. Sprains and strains may be caused by repetitive movements or a single stressful incident. Symptoms and signs include pain and swelling. Though treatment depends upon the extent and location of the injury, rest, ice, compression, and elevation are key elements of treatment.
Chondromalacia Patella (Patellofemoral Syndrome)
Chondromalacia patella (housemaid's knee or secretary's knee) results from misalignment of the kneecap as it slides over the lower end of the thigh bone. Symptoms include tightness or fullness in the knee area, swelling, and mild discomfort. Treatment includes the use of anti-inflammatory medications, in addition to stretching, strengthening and icing the knee.
What Exercise Can I Do with Knee Bursitis?
What is knee bursitis? Learn which exercises can help ease symptoms.
Medial Collateral Ligament (MCL) Injury
The medial collateral ligament (MCL) is one of four ligaments that stabilize the knee. MCL injuries are referred to as tears or sprains. Sprains are graded from 1-3 based on the severity of the injury. Symptoms and signs of MCL injuries include swelling, pain, stiffness, and limping. Treatment of MCL injuries may involve resting and bracing the affected knee, and physical therapy can help to restore the range of motion.
Fitness: Exercises for a Healthy Heart
Regular exercise can help reduce the risk of heart disease. To achieve maximum benefits, do a mix of stretching exercises, aerobic activity, and strengthening exercise. Aim to get 20 to 30 minutes of aerobic exercise at least three to four times a week. Consult a doctor before exercising for the first time, especially if you have health problems.
How Do You Relieve Pain In The Back Of Your Knee?
Learn what medical treatments can help relieve pain in the back of your knee and help you manage pain in the back of your knee.
Regular physical activity can reduce the risk of disease. Regular exercise can also reduce the symptoms of stress and anxiety. There are fitness programs that fit any age or lifestyle.
Is There a Difference Between Physiotherapy and Physical Therapy?
Physical therapy helps you recover faster from accident-related injuries and decreased joint movements due to joint conditions such as osteoarthritis and rheumatoid arthritis. There is no difference between physiotherapy and physical therapy. Both terms are used interchangeably all over the world.
What Is a Ligament in the Body?
Ligaments are short bands of tough elastic tissue present around your joints. They mainly connect the bones of the body to each other. The human body has approximately 900 ligaments.
What Are the Most Common Knee Injuries?
Knee injuries can happen at any age. Learn about the signs of knee injury, the most common types of injury, and how they can be treated.
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