The shoulder is a complex structure present on the upper body that connects the arms to the torso. It consists of many components that work together to provide stability and a wide range of movement.

Posterior shoulder dislocation occurs when the top of the upper arm bone, known as the humerus, moves backward out of its socket. This causes pain, muscle spasms, and a limited range of motion. The ...

Shoulder arthritis is damage to the cartilage in the ball-and-socket joint of your shoulder. The smooth covering of cartilage between your shoulder bones allows your shoulder to move and rotate ...

The measurement of joint range of motion (ROM) is a cornerstone of clinical assessment, rehabilitation and biomechanical research. Reliable and accurate quantification of joint movement is essential ...

The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. This flexibility is also what makes the shoulder prone to instability and injury. Muscles, ...

“The shoulder joint is the most mobile joint in your body, capable of a wide range of motion. This flexibility allows you to reach, lift, throw, and carry with ease. Shoulder injuries can develop from ...

Four important synovial joints used in most sporting actions are the elbow and shoulder joints in the arm, and the knee and hip joints in the leg. The elbow and knee joints are both hinge joints. A ...

Medically reviewed by Katrina Carter, DPT Key Takeaways Shoulder blade pain can be caused by muscle strain, rotator cuff tears, or joint conditions like osteoarthritis.Symptoms of shoulder blade pain ...

The top of your femur and part of your pelvic bone meet to form your hip. A broken hip is usually a fracture in the upper portion of your femur, or thigh bone. A joint is a point where two or more ...