The rectus femoris (RF) is one of the four muscles found in the quadriceps and is the only one involved in hip flexion. This is because it’s the only one that is attached at the pelvis and not the ...

The rectus femoris muscle is one of the four major muscles that make up the quadriceps, or the front part of your upper leg. Strengthening the rectus femoris, in particular, can help stabilize your ...

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 muscle consists of a group of 4 muscles: the rectus femoris, vastus medialis, vastus lateralis, and vastus intermedius. The rectus femoris arises from 2 heads, a direct head that ...

The rectus femoris muscle is one of quadriceps muscles. It goes from the hip to the knee and can be used to straighten the knee or lift the knee up. This muscle can rupture or become inflammed at the ...