Gluteus maximus vs Quadriceps femoris
| Property | Gluteus maximus | Quadriceps femoris |
|---|---|---|
| Latin Name | Musculus gluteus maximus | Musculus quadriceps femoris |
| Type | Muscle | Muscle |
| Body System | Muscular | Muscular |
| Body Region | Hip | Thigh |
| Function | The largest and most powerful muscle in the body. Primary extensor and lateral rotator of the hip. Essential for standing from a seated position, climbing stairs, running, and maintaining upright … | The most powerful extensor of the knee joint. Essential for standing, walking, climbing stairs, and running. The rectus femoris also flexes the hip. |
| Clinical Significance | Gluteus maximus weakness (Trendelenburg gait) results from inferior gluteal nerve injury. Gluteal muscle atrophy occurs with prolonged immobility. The muscle is used in myocutaneous flap surgery for pressure ulcer coverage. | Quadriceps tendon rupture prevents active knee extension. Vastus medialis oblique weakness contributes to patellar maltracking. Quadriceps atrophy commonly follows knee injuries and surgeries. |
| FMA ID | 22314 | 22428 |
Full structure pages
Gluteus maximus
Musculus gluteus maximus
The largest and most powerful muscle in the body, the gluteus maximus forms the prominence of the buttock and serves as the primary extensor and lateral rotator of the hip. It is essential to rising …
Quadriceps femoris
Musculus quadriceps femoris
A four-headed muscle group of the anterior thigh, the quadriceps femoris is the most powerful extensor of the knee and is central to standing, walking, climbing stairs, and running. Its four heads, the rectus femoris, …