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.

Tipo Muscle
Sistema corporal Muscular
Região corporal Thigh
Estrutura pai hindlimb muscle
Nome latino Musculus quadriceps femoris
FMA ID 22428

Função

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

Significado clínico

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

Sub-estruturas

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

Perguntas frequentes

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.

Estruturas relacionadas

muscle head caput (musculus) muscle tissue muscular tissue musculature muscle group iliopsoas Hyrtl's muscle orbital septum septum orbitale pes anserinus of tibia pes anserine Pectoralis major Musculus pectoralis major muscle belly belly

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Educational Disclaimer

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.