Tears to the specialized cartilage tissue in the shoulder known as the labrum can cause pain and instability in the shoulder. The labrum is a cup-shaped rim of cartilage that lines and reinforces the ...
Pain between the shoulder blades can occur suddenly, as with a muscle strain when lifting heavy objects or a sudden, serious heart attack. It can also develop over time with a condition such as ...
A person with shoulder arthritis is likely to have pain while moving the shoulder and ... the doctor may be able to tell if the muscle near the joint has signs of atrophy, or weakness, from ...