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 ...

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, 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, ...

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 ...

Knowing which muscles are used when cycling can help you achieve the maximum benefits from your rides. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Healthy hip flexor muscles are essential for runners—not only do you need them strong, but mobile too. Just think about your stride: When you push off the ground, your hip flexor muscles drive you ...

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 ...