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  2. Quadriceps - Wikipedia

    en.wikipedia.org/wiki/Quadriceps

    The quadriceps femoris muscle (/ ˈkwɒdrɪsɛps ˈfɛmərɪs /, also called the quadriceps extensor, quadriceps or quads) is a large muscle group that includes the four prevailing muscles on the front of the thigh. It is the sole extensor muscle of the knee, forming a large fleshy mass which covers the front and sides of the femur.

  3. Quadriceps tendon - Wikipedia

    en.wikipedia.org/wiki/Quadriceps_tendon

    Quadriceps tendon. In human anatomy, the quadriceps tendon works with the quadriceps muscle to extend the leg. All four parts of the quadriceps muscle attach to the shin via the patella (knee cap), where the quadriceps tendon becomes the patellar ligament. It attaches the quadriceps to the top of the patella, which in turn is connected to the ...

  4. Vastus lateralis muscle - Wikipedia

    en.wikipedia.org/wiki/Vastus_lateralis_muscle

    The vastus lateralis (/ ˈvæstəs ˌlætəˈreɪlɪs, ˈræ -/), also called the vastus externus, [1] is the largest and most powerful part of the quadriceps femoris, a muscle in the thigh. Together with other muscles of the quadriceps group, it serves to extend the knee joint, moving the lower leg forward. It arises from a series of flat ...

  5. Vastus muscles - Wikipedia

    en.wikipedia.org/wiki/Vastus_muscles

    The vastus muscles are three of the four muscles that make up the quadriceps femoris muscle of the thigh. The three muscles are the vastus intermedius, the vastus lateralis, and the vastus medialis located in the middle, on the outside, and inside of the thigh, respectively. The fourth muscle is the rectus femoris muscle a large fleshy muscle ...

  6. Rectus femoris muscle - Wikipedia

    en.wikipedia.org/wiki/Rectus_femoris_muscle

    The rectus femoris muscle is one of the four quadriceps muscles of the human body. The others are the vastus medialis, the vastus intermedius (deep to the rectus femoris), and the vastus lateralis. All four parts of the quadriceps muscle attach to the patella (knee cap) by the quadriceps tendon. The rectus femoris is situated in the middle of ...

  7. Vastus medialis - Wikipedia

    en.wikipedia.org/wiki/Vastus_medialis

    The vastus medialis is a muscle present in the anterior compartment of thigh, and is one of the four muscles that make up the quadriceps muscle. The others are the vastus lateralis, vastus intermedius and rectus femoris. [1] It is the most medial of the "vastus" group of muscles. The vastus medialis arises medially along the entire length of ...

  8. Patellar tendon - Wikipedia

    en.wikipedia.org/wiki/Patellar_tendon

    The patellar tendon is a strong, flat ligament, which originates on the apex of the patella distally and adjoining margins of the patella and the rough depression on its posterior surface; below, it inserts on the tuberosity of the tibia; its superficial fibers are continuous over the front of the patella with those of the tendon of the quadriceps femoris.

  9. Patellar reflex - Wikipedia

    en.wikipedia.org/wiki/Patellar_reflex

    Patellar reflex. Schematic representation of patellar tendon reflex (knee jerk) pathway. The patellar reflex, also called the knee reflex or knee-jerk, is a stretch reflex which tests the L2, L3, and L4 segments of the spinal cord. Many animals, most significantly humans, have been seen to have the patellar reflex, including dogs, cats, horses ...

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