When a medical professional refers to your lower extremity, they’re typically referring to everything between your hip to your toes. The muscles in your lower extremity contract and relax to move ...

The lower leg lies between the knee and ankle and works with the upper leg and foot to help perform key functions. In the leg are a number of bones, muscles, tendons, nerves and blood vessels. These ...

The legs are the two lower limbs of the body. They provide support and a range of movements. Each leg contains five regions. They’re known as the: The upper leg is often called the thigh. It’s the ...

You don't have to be a professional football player to need strong calf muscles. When your lower-leg muscles are in shape, they help you move and feel better. The calf muscle actually refers to three ...

People with sartorius muscle pain may have pain in their knee or the front of their hip. Certain exercises can help strengthen the muscle and reduce pain. The sartorius is the longest muscle in a ...

Osteogenesis Imperfecta (OI) is a heritable disorder characterized by increased bone fragility. In OI Type IV muscle weakness has important functional consequences. Children and adolescents with OI ...