A muscle in the quadriceps, the rectus femoris muscle is attached to the hip and helps to extend or raise the knee. This muscle is also used to flex the thigh. The rectus femoris is the only muscle ...

Much like their name implies, the quadricep muscles were once thought to be a set of four muscles, with the name “quad” translating to “four or fourth” in Latin. However, it has since been discovered ...

The quadriceps, or quads, are a group of four muscles on the front of the thigh. They are some of the largest and strongest muscles in the body. The quad muscles allow a person to stand, walk, run, ...

Your thigh is made up of a few different groups of muscles. The thigh is an important part of your body because your thighs bear most of your body’s weight! It’s consequently important to keep your ...

The vastus lateralis muscle is located on the side of the thigh. This muscle is the largest of the quadriceps group (often called quads) which also includes the rectus femoris, the vastus intermedius, ...

Background Osgood-Schlatter disease (OSD) of the knee in youth is one of the most frequent of anterior knee pain in athletes. There are several risk factors that contribute to this disease. Objective ...