When a bursa in the knee ruptures due to trauma or overuse, the knee becomes immobile and suffers pain when walking, states the North Shore-LIJ Orthopaedic Institute. The frequent application of extra pressure on the knees increases the risk of tearing the bursa covering the kneecap.
A bursa is a tiny sac filled with fluid that protects the bones, tendons and muscles by reducing friction, notes WebMD. An inflamed and irritated bursa is a condition called bursitis, which is caused by regular, minor pressure or a sudden injury. Knees, elbows, shoulders, hips and the Achilles tendon can be affected by bursitis.
Older people, particularly those above 40 years of age, are more vulnerable to bursitis, as their tendons become weaker and unable to endure stress, thus making the tendons easier to tear, explains WebMD. Another typical cause is overuse of the joints due to high-risk activities, such as playing sports, gardening, painting, carpentry and shoveling. Improper posture at home and incorrect stretching before exercise also increase the risk of bursitis.
Bursitis symptoms that occur when the bursa in the knee tears and releases fluid include swelling, pain, limited mobility and redness, states the North Shore-LIJ Orthopaedic Institute. Typical treatment involves rest, ice and compresses. Antibiotics and other medicines are sometimes prescribed when the affected area is infected.Learn More
Dents and other abnormalities in the shape of the skull can be caused by congenital disorders, such as craniosynostosis or Gorham's disease, vitamin A toxicity, trauma to the head and other conditions. Dent Neurologic Institute details the condition called craniosynostosis, or craniostenosis, in which an infant's sutures between the bony plates of the skull prematurely close, frequently resulting in an oddly-shaped skull.Full Answer >
Brittle fingernails are caused by trauma, overexposure to harsh solvents, recurring exposure to liquids, malnutrition or an underlying health problem, according to NYU Langone Medical Center. Brittle nails are also a normal effect of aging, according to MedlinePlus.Full Answer >
When a hemorrhoid bursts, bright red blood can be seen coming from the anus following a bowel movement, explains Los Angeles Colon and Rectal Surgical Associates. Pain and swelling may occur, but ruptured hemorrhoids heal quickly and on their own for most people.Full Answer >
During knee replacement surgery, a surgeon removes the damaged joint tissue and replaces it with an artificial metal or plastic knee, according to WebMD. The surgeon attaches the artificial joint to the bone with surgical material or cement.Full Answer >