Here are two general kinds of knee problems: mechanical and inflammatory.
Mechanical: result from injury, such as a direct blow or sudden movements that strain the knee beyond its normal range of movement. Aand result from wear and tear on its parts, such as osteoarthritis in the knee.
Inflammatory: occurs in certain rheumatic diseases, such as rheumatoid arthritis and systemic lupus erythematosus.
The knee is composed of bones and cartilage, ligaments, tendons, and muscles. Arthritis of the knee may causes pain, swelling, and a decrease in knee motion. Chondromalacia is a dull pain around or under the knee cap that worsens when walking down stairs or hills. Injury to the cruciate ligaments is sometimes referred to as a sprain. The person may hear a popping sound, and the leg may buckle when tries to stand on it. Medial and lateral collateral ligament injuries is most often a blow to the outer side of the knee that stretches and tears the ligament on the inner side of the knee. Knee tendon injuries and ruptured tendons are tendon stretches like a worn-out rubber band and becomes inflamed. Osteochondritis dissecans results from a loss of the blood supply to an area of bone underneath a joint surface and usually involves the knee.
Ice the knee for first 12 hours if the knee is injured. You can use foment bag for your knee after 24 hour.
Foment bag reduce inflammation、cease pain. Promote circulation、end stasis. Dispel wind、 eliminate dampness. Eliminate bruises、strengthen bone! Foment bag cure knee problems.