Bursas refer to fluid-filled sacs located in various parts of the body, particularly in areas prone to friction or pressure. These sacs act as cushions or buffers between bones, tendons, muscles, and other nearby structures, facilitating smooth movement and reducing discomfort or irritation. Bursas are typically small, thin, and filled with synovial fluid or bodily fluids that lubricate the areas they coat.
Although the exact number and location of bursas in the human body may vary, they can typically be found in joints such as the shoulders, elbows, knees, and hips. These bursas serve to absorb shock, reduce friction, and prevent damage to the surrounding tissues. While bursas may be present since birth, they can also develop over time in response to repeated stress or injury to a particular area.
When the bursas become inflamed or irritated due to excessive stress or repetitive motion, a condition known as bursitis can occur. Bursitis is characterized by pain, swelling, and tenderness in the affected area. Treatment for bursitis may involve rest, ice, compression, elevation, and sometimes medication or physical therapy.
Overall, bursas play a crucial role in maintaining mobility and protecting the body's structures, ensuring smooth and pain-free movement.
