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 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 ...

To date, muscle function, and in particular that of the lower extremity, in OI type IV has not been investigated systematically. This study now assesses upper and lower extremity muscle function ...