Rectus
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Rectus
Rectus (/ˈrɛktəs/), from the Latin word for "straight", is a term used in anatomy to refer to muscles that run straight down the body, such as the rectus abdominis and the rectus femoris.
Etymology
The term "rectus" is derived from the Latin word for "straight", reflecting the straight direction of the muscle fibers in muscles with this name.
Related Terms
- Rectus abdominis muscle: A long muscle that extends along the front of the abdomen. It is one of the main muscles targeted in abdominal exercises such as sit-ups and crunches.
- Rectus femoris muscle: One of the four quadriceps muscles of the thigh, responsible for flexing the hip and extending the knee.
- Rectus capitis posterior major muscle: A small muscle in the neck which aids in movement and stabilization of the head.
- Rectus capitis posterior minor muscle: Another small muscle in the neck, which works in conjunction with the rectus capitis posterior major.
- Rectus sheath: The fibrous sheath formed by the aponeuroses of the abdominal muscles, which encloses the rectus abdominis and pyramidalis muscles.
- Rectus eye muscles: A group of muscles which are responsible for moving the eye. These include the Rectus medialis, Rectus lateralis, Rectus superior, and Rectus inferior.
External links
- Medical encyclopedia article on Rectus
- Wikipedia's article - Rectus
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