Your quad muscles, or quadriceps, are at the front of your thigh. They help you straighten your knee so you can kick, run and jump. But these muscles are prone to injuries like strains, contusions and tendonitis.

Apr 18, 2025 · Major leg muscles include the quadriceps (front of the thigh), hamstrings (back of the thigh), calf muscles (gastrocnemius and soleus), and several smaller muscles that control foot movement.

Nov 3, 2023 · Anatomy and functions of the rectus femoris muscle shown with 3D model animation. The quadriceps femoris muscle, commonly known as the quad muscle, is the strongest muscle of the human body. It is located in the anterior …

Mar 9, 2025 · The quadriceps femoris consists of four individual muscles – the three vastus muscles and the rectus femoris. It forms the main bulk of the anterior thigh, and is one of the most powerful muscles in the body.

The quadriceps femoris, commonly known as the quads, is a group of muscles located at the front of the thigh. They are some of the largest and most powerful muscles in the body, containing more mass than any other muscle group.

Learn the muscles of the leg with this interactive graphic. Roll over the area to see the name of the muscle.

Sep 19, 2024 · Quadriceps femoris muscles, or "quads," are four muscles that cover the front and sides of your thighs. The quadriceps are some of the largest and most powerful muscles in your body. They provide the force you need to run, walk, …

Jan 28, 2025 · The quadriceps consist of four individual muscles: the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. Collectively, they form one of the most powerful muscle groups in the body and contribute to lower limb strength and stability.

Feb 16, 2023 · How are the quad muscles structured? The five quad muscles are: Rectus femoris: This muscle has 2 components that come from your hip bone and pelvis. It reaches basically down to the kneecap. It is the only muscle in the quad which goes from the hip to the knee.

Labeled image of the muscles of the leg, showing the main superficial muscles: sartorius, gracilis, psoas, pectineus, rectus, femoris, vastus, iliacus