Dr. Johnny L. Lin M.D.

Skeletal systemOur musculoskeletal system is made of muscles, tendons, ligaments, cartilage, bones, and bursae. When impulse stimulates, the muscles contract and these muscles are attached to the ligaments. Most of the skeletal system is made of bones and cartilage. The cartilage or ligaments are...

In patients with muscular dystrophy, contractures usually occur as muscle breaks down. They begin at a very tender age of about 8 to 13. What this means is that muscles and tendons of the patient's wrists and hands tighten. Did you know that not all muscles lose strength at the same time? Hand...

What is rheumatoid arthritis (RA)?Rheumatoid arthritis is an autoimmune disease, wherein the immune system mistakenly attacks the joints leading to stiffness, pain, and inflammation. Gradually, RA can lead to physical deformities. Rheumatoid arthritis is known to affect around 2 million Americans....

Have you ever received a bone density test? This test is crucial for women who are experiencing menopause, as it tests how thin and frail their bones are. One might be prescribed medications to help this condition.“Bone density tests are good indicators for the risks of fractures”, says...

Our body is a machine and any wear and tear occurring in any of the parts of the body can impair overall body functioning. One of the common types of pain felt by a number of people is pain associated with the knees. There are various forms and causes that could be related to knee pains, one of them...

IntroductionThe sternum, also called as the breastbone, is a flat bone situated at the center of the chest. It connects to the ribs through cartilages and forms the front of the rib cage, which helps protect the lungs, heart, and major blood vessels from injuries. Since the sternum is near to the...