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.

유형 Muscle
신체 계통 Muscular
신체 부위 Thigh
상위 구조물 hindlimb muscle
라틴어 명칭 Musculus quadriceps femoris
FMA ID 22428

기능

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

임상적 의의

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

하위 구조물

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

자주 묻는 질문

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.

관련 구조물

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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