Quadriceps femoris

Musculus quadriceps femoris

A large four-headed muscle group of the anterior thigh consisting of the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. All four heads converge on the quadriceps tendon, which encloses the patella and continues as the patellar ligament to the tibial tuberosity.

类型 Muscle
身体系统 Muscular
身体区域 Thigh
上级结构 hindlimb muscle
拉丁名称 Musculus quadriceps femoris
FMA ID 22428

功能

The most powerful extensor of the knee joint. Essential for standing, walking, climbing stairs, and running. The rectus femoris also flexes the hip.

临床意义

Quadriceps tendon rupture prevents active knee extension. Vastus medialis oblique weakness contributes to patellar maltracking. Quadriceps atrophy commonly follows knee injuries and surgeries.

下级结构

vastus medialis Muscle vastus lateralis Bone vastus intermedius Bone rectus femoris Bone

常见问题

What is the Quadriceps femoris?
A large four-headed muscle group of the anterior thigh consisting of the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. All four heads converge on the quadriceps tendon, which encloses the patella and continues as the patellar ligament to the tibial tuberosity.
What is the function of the Quadriceps femoris?
The most powerful extensor of the knee joint. Essential for standing, walking, climbing stairs, and running. The rectus femoris also flexes the hip.
What body system is the Quadriceps femoris part of?
The Quadriceps femoris is part of the Muscular.
What conditions affect the Quadriceps femoris?
Quadriceps tendon rupture prevents active knee extension. Vastus medialis oblique weakness contributes to patellar maltracking. Quadriceps atrophy commonly follows knee injuries and surgeries.
Where is the Quadriceps femoris located?
The Quadriceps femoris is located in the Thigh region of the body.

相关结构

musculature muscle group tendon sheath synovial tendon sheath skeletal system set of all bones and joints orbital septum septum orbitale iliopsoas Hyrtl's muscle myocardium cardiac muscle conducting system of heart cardiac conducting system long head of biceps brachii capus longum of biceps brachii

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