Femur vs Quadriceps femoris
| Property | Femur | Quadriceps femoris |
|---|---|---|
| Latin Name | Os femoris | Musculus quadriceps femoris |
| Type | Bone | Muscle |
| Body System | Skeletal | Muscular |
| Body Region | Thigh | Thigh |
| Function | The longest and strongest bone in the human body. Bears the weight of the body and provides attachment for powerful thigh muscles. Transmits body weight from the hip to the … | 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 | Femoral neck fractures are common in elderly patients with osteoporosis. Femoral shaft fractures result from high-energy trauma. The femoral head is susceptible to avascular necrosis. | 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 | 24474 | 22428 |