Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Orthopedic Sports Medicine
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Your calf muscle is actually two muscles, the gastrocnemius muscle and the soleus muscle. These muscles can be injured if they get overstretched. Injury to a calf muscle can range from a strain or pull that you can treat at home to a more serious...
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What is a 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 moves forward...
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Most people will have a minor back problem at one time or another. Our body movements usually do not cause problems, but it's not surprising that symptoms develop from everyday wear and tear, overuse, or injury. Back problems and injuries often occur during sports or recreational activities, work-related tasks, or home...
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What is a 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 your LCL...
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Learn about surgery to repair a broken or fractured hip and what to expect.
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Learn seated exercises you can do at work or at home that can help you relieve stress and strain.
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Learn how ACL surgery is usually done and what to expect after surgery.
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Learn how knee arthroscopy is done and what to expect after surgery.
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Golfer's elbow is pain or soreness in the inner part of the elbow from movement of muscles and tendons in the arm. A tendon is tissue that connects your muscles to bone. Golfer's elbow isn't just a problem with the elbow. It also involves the wrist....
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Learn steps you can take at home to reduce pain and swelling after a sprain or strain.
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Learn how to use a compression wrap for a sprained ankle to help control swelling.
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Surgery is usually the best treatment for a broken (fractured) hip. Three types of surgery can be used. Hip repair (internal fixation). Hip repair involves stabilizing broken bones with surgical screws, nails, rods, or plates. This type of surgery is usually for people who have fractures in which the...
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Learn the right way to lift objects to protect your back.
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What is an 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 during activities that involve bending...
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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....
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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.
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Covers causes of hip fractures. Includes list of things that increase risk. Describes symptoms and how hip fractures are diagnosed. Covers treatment choices. Offers prevention tips, including ways to slow osteoporosis.
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Little Leaguer's elbow occurs in young baseball players who throw the ball too hard or too often (for example, more than 80 times twice a week). The growing part of the elbow, called the growth center (physis), widens and enlarges a part of the...
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Covers common causes of elbow injuries. Discusses injuries caused by sudden injury and those caused by overuse. Discusses treatment options. Offers interactive tool to help you decide when to see a doctor. Covers home treatment and prevention tips.
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Looks at conditions, such as gout, pinched nerve, bursitis, tennis elbow, and golfer's elbow, that may cause elbow problems. Offers interactive tool to help you decide when to see the doctor. Covers home treatment and prevention tips.
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Discusses common toe, foot, and ankle injuries. Covers home treatment and basic foot care. Offers injury prevention tips.
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Details types of injuries to the fingers, hands, and wrists. Discusses possible emergency situations. Includes worksheet to help you decide when to seek care. Offers home treatment and prevention tips.
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A hip injury can be hard to deal with, both for the child who has the injury and for the parent or caregiver. A child who has a hip injury may feel pain in the hip, groin, thigh, or knee. A child in pain may limp or be unable or unwilling to stand,...
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A hip injury and pain can make it hard to walk, go up and down stairs, squat, or sleep on the side that hurts. A clicking or snapping feeling or sound around your hip joint ( snapping hip) may bother you or cause you to worry. But if your hip is not...
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Hip pain can make it hard to walk, go up and down stairs, squat, or sleep on the side that hurts. A clicking or snapping feeling or sound around your hip joint (snapping hip) may bother you or cause you to worry. But if your hip is not painful, in many cases the click or snap is nothing to worry about. Home treatment...
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What is an anterior cruciate ligament (ACL) injury? 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 ligament tears...
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Follow instructions from your physical therapist or other health professional for stretching and strengthening exercises. Stretching exercises are controlled stretches that prevent tennis elbow stiffness and tendon shortening. Gently bend, straighten, and rotate your wrist. If you have increasing...
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Surgery for tennis elbow may involve: Cutting (releasing) the tendon. Removing inflamed tissue from the tendon. Repairing (reattaching) tendon tears if it is possible to do so without overtightening the tendon. Surgery may be done using arthroscopy, traditional open surgery, or a combination of the two techniques...
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Covers symptoms of tennis elbow, including pain around the elbow. Covers activities that increase risk, like gardening, swimming, or golf. Looks at treatment options, including surgery. Offers prevention tips, including photos of exercises that may help.
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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 program should include: Flexibility exercises. Strengthening exercises...
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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 tendon of the kneecap (patellar tendon) or one of the hamstring tendons...
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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.
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Most people will have a minor neck problem at one time or another. Our body movements usually do not cause problems, but it's not surprising that symptoms develop from everyday wear and tear, overuse, or injury. Neck problems and injuries most commonly occur during sports or recreational activities, work-related...
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Minor shoulder problems, such as sore muscles and aches and pains, are common. Shoulder problems develop from everyday wear and tear, overuse, or an injury. They can also be caused by the natural process of aging. Your shoulder joints move every time you move your arms. To better understand shoulder problems and...
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What is an ankle sprain? Most people have twisted an ankle at some point in their life. But if your ankle gets swollen and painful after you twist it, you have most likely sprained it. This means you have stretched and possibly torn the ligaments in your ankle. Even though ankle sprains are common, they are not...
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Ankle sprains are common injuries that can result in lifelong problems. Some people with repeated or severe sprains can develop long-term joint pain and weakness. Treating a sprained ankle can help prevent ongoing ankle problems. Rehabilitation (rehab) exercises are critical to ensure that the ankle heals completely...
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Ankle sprains are common injuries that can result in lifelong problems. Some people with repeated or severe sprains can develop long-term joint pain and weakness. Treating a sprained ankle can help prevent ongoing ankle problems. If an ankle sprain does not heal correctly, the joint may become unstable, resulting in a...
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The iliotibial band is a band of fibrous tissue that runs down the outside of the thigh. It provides stability to the knee and hip and helps prevent dislocation of those joints. The band may overdevelop, tighten, and rub across the hipbone or the outer part of the knee. Each time the knee is bent or the hip flexed, the...
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The hamstring muscles are the three muscles that run down the back of the thigh. They attach to the lower pelvis and to the back of the leg just below the knee. Tight hamstring muscles cause the tendons that attach them to the bone to feel taut and make them vulnerable to injury. Regular stretching can prevent...
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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 problem with the alignment or structure of the knee bones. A patellar...
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Bursitis or a tendon injury (tendinopathy) in the elbow causes soreness or pain in the elbow region, particularly when the arm is in motion. Pressing on the affected area will also cause pain. The epicondyles are the bony bumps you can feel on the inside and outside of your elbow. Tendinopathy or epicondylopathy is a...
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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 the front of the kneecap. To prevent and ease knee pain during work...
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Lists common lifting mistakes. Offers basic rules to protect your back when lifting. Includes links to pictures on proper lifting technique and more extensive info on low back pain and herniated disc.
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Experts disagree about the use of heat after an injury. Some experts: Do not recommend using heat because it may increase swelling, especially in the first few hours right after the injury. If you decide to use heat and you notice that the swelling increases, stop using heat and return to cold treatments. Think heat...
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What is 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. What causes patellofemoral pain syndrome...
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What is radial head subluxation? Radial head subluxation means that the radius, one of two long bones in the lower arm (forearm), has pulled away from its normal position. The ligament that supports the radial bone then slips into the elbow joint. When this happens, the radial bone can't move back into its normal...
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Discusses common Achilles tendon problems. Covers tendinopathy, which includes tendinitis and tendinosis. Also covers tendon tear or rupture, paratenonitis, peritendinitis, and bursitis. Discusses symptoms such as pain and swelling in back of leg or heel.
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Guides through the decision to have surgery for tennis elbow (also called lateral epicondylitis). Explains how surgery is done. Covers risks. Lists reasons for and against surgery. Includes interactive tool to help you make your decision.
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There are two types of surgery to repair a ruptured Achilles tendon: In open surgery, the surgeon makes a single large incision in the back of the leg. In percutaneous surgery, the surgeon makes several small incisions rather than one large incision. In both types of surgery, the surgeon sews the tendon back...
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Rehabilitation (rehab) and/or physical therapy are the usual treatment for an Achilles tendon injury. For Achilles tendinopathy, physical therapy can decrease your pain. It can allow you to gradually return to your normal activities. For an Achilles tendon rupture, you can try a rehab program after surgery to repair the...
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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 not. Exercises to regain muscle strength and knee motion should begin...
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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 help anyone prevent ACL injuries. Training and conditioning should take...
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Guides through decision to have surgery for an Achilles tendon rupture. Describes different types of treatment and when surgery is the best option. Covers benefits and risks. Includes an interactive tool to help you make your decision.
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What are shin splints? Shin splints are a condition that causes pain and sometimes swelling in the front part of the lower leg (shin). The pain is most likely from repeated stress on the shinbone (tibia) and the tissue that connects the muscle to the tibia. They are common in people who run or jog. Activities where you...
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Discusses muscle cramps, also known as charley horses. Covers causes like strained muscles, dehydration, and needing more potassium or calcium in your body. Covers treatment and prevention, including stretching or taking a warm bath.
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What is whiplash? Whiplash is pain and stiffness in the neck after an injury that has caused the neck to move suddenly or beyond its normal range. It occurs when the head is suddenly forced backward or forward and is then snapped in the other direction. This kind of motion most often happens to people in a car that is...
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In older adults, hip fractures are usually caused by a fall. Even a slight fall can sometimes cause a fracture in a weakened hipbone. Children and young adults are more likely to break a hip because of a bike or car accident or a sports injury. Falls cause more fractures—including hip fractures—as people age because...