quadricep etymology

Etymology:

  • From Latin "quadriceps femoris", meaning "four-headed muscle of the thigh"
  • Derived from "quadri-" (four) + "ceps" (head) + "femoris" (thigh)

Meaning:

  • A large muscle on the front of the thigh
  • Consists of four individual muscles (vastus lateralis, vastus medialis, vastus intermedius, rectus femoris)

Origin:

  • The quadricep muscle originates from the anterior (front) aspect of the pelvis and the proximal (upper) end of the femur (thigh bone).
  • The vastus lateralis, vastus medialis, and vastus intermedius originate from the greater trochanter of the femur.
  • The rectus femoris originates from the anterior inferior iliac spine of the pelvis.

Function:

  • The quadricep muscle is responsible for extending the knee joint.
  • It plays a crucial role in locomotion, such as walking, running, and jumping.
  • It also helps stabilize the knee joint and supports the patella (kneecap).

quadricep relate terms

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