Many bone diseases can affect the knee. According to the National Institute of Arthritis and Musculoskeletal and Skin Diseases, or NIAMS---a division of the National Institutes of Health---knee problems are common, occur in people of all ages and...
Football is a high-impact sport that can take its toll on your body. Sprinting, sudden starts and stops and direct collisions can lead to injuries of the knees. Chipped bones in your knee often result from a previous injury that causes bone or...
Your skeletal system, made of up of your bones, joints, tendons and ligaments, provides your body with structure and stability. Sometimes an infection, injury, lack of blood flow or genetic problems may wreak havoc on the skeleton. Osteomyelitis,...
An ankle that locks while you're walking can be a debilitating and painful condition that can make daily tasks or physical activity very difficult. A locking ankle can be a symptom of a variety of conditions. These include a ligament tear, ankle...
The humerus, radius and ulna bones make up your elbow joint. Muscles, tendons and ligaments hold your elbow joint together. The American Academy of Orthopaedic Surgeons classifies the elbow as combination hinge and pivot joint. The hinge portion...
Osteochondritis dissecans, or OCD injuries, occur when pieces of cartilage and bone come loose. This usually occurs at the ends of the bones where they form joints. They can happen to anyone at any age, but young male athletes between the ages of...
Knee problems can occur at any age. They may arise due to developmental defects, diseases or injuries. Childhood knee problems can cause deformity, swelling or pain--the latter being the most common. Bow legs and knock-knees are self-limiting,...
According to the American Academy of Orthopaedic Surgeons, elbow injury occurs when repetitive throwing creates an excessively strong pull on the tendons and ligaments. Among baseball players, most elbow injuries occur in pitchers, but position...
Children who play soccer are especially susceptible to knee pain and injuries. The knee, one of the largest, most complex joints of the body, potentially can twist into the wrong position with each kick of a soccer ball. If you suspect your young...
Clicking of the elbow while flexing or curling the arm indicates an intra-articular or inside the joint damage, according to a 2000 "American Family Physician" article. Clicking may be accompanied with pain, swelling and joint stiffness. Risk...
As a pitcher, you put stress on your elbow and arm every single time you throw a ball. Repetitive throwing can cause injuries and pain in your pitching arm, says the American Academy of Orthopaedic Surgeons. In some cases, this pain is caused by a...
According to the American Academy of Orthopaedic Surgeons, or AAOS, it's common for doctors to treat increased numbers of baseball players each spring as baseball season begins. Along with shoulder injuries, elbow problems are one of the most...
The elbow is the joint where the upper arm bone, known as the humerus, meets the two bones of the lower arm, known as the ulna and radius. A combination of hinge and pivot joints, the hinge allows the arm to bend like a door while the pivot lets...
Approximately 20,000 Americans develop avascular necrosis every year, according to Marvin Steinberg, M.D., professor emeritus of Orthopaedic Surgery at the University of Pennsylvania School of Medicine in "The Merck Manual for Healthcare...
Flexor mass muscles are found in the forearm. This group of muscles that enable you to grip objects, throw a ball and flex and extend your hand at the wrist. If you've injured your flexor mass muscles, you'll notice a number of signs and symptoms....
Magnetic resonance imaging, or MRI, is a type of imaging that is done for the diagnosis of a variety of conditions. The technology of MRI is based on the creation of magnetic fields, radio waves, and powerful computer software to create accurate...
The knee joint rotates, flexes and extends to provide maximum range of motion. The bones that make up the joint---the femur, tibia, fibula and patella---work together with cartilage, ligaments and muscle to function and maintain mobility,...
According to the textbook "Sports Medicine A Comprehensive Approach" knee injuries are one of the most often injured joints in the body during sport activities. In children doctors often see ankle sprains as a result of rough play and other...
Elbow pain is commonplace in baseball. It also affects tennis players and others who play sports that require an overhead motion, such as volleyball spikers. According to the American Society Medicine Institute, as many as 58 percent of young...
Pain in or near the elbow after throwing a softball is a common symptom of an overuse injury, especially for children and teens who regularly play baseball or softball and engage in repetitive throwing and pitching. Excessive and forceful use of...
Numerous potential causes exist for pain in your knees, as well as different tests that your doctor may perform to make an accurate diagnosis. Although knee pain is common, the cause can range from an injury to an underlying medical condition. The...
According to Mayo Clinic expert James Levine, M.D., Ph.D., "Getting out there and taking a walk is what it's all about." Levine, a Mayo Clinic expert on obesity, also states "You don't have to join a gym, you don't have to check your pulse. You...
According to a 2006 study by the Centers for Disease Control and Prevention, approximately 18 percent of adult respondents reported knee pain during the previous 30-day period. Knee pain can stem from a variety of injuries and conditions such as...
With increased female participation in sports, knee injuries are becoming more and more common in female athletes. Research conducted by the University of Kentucky Health Care System indicates that girls are four to eight times more likely to...
Osteochondritis or osteochondritis dissecans is a condition that occurs when the blood supply to a bone is compromised and causes the cartilage to loosen or separate. Learn about osteochondritis including symptoms, treatments and diagnosis in...