Gluteal lines
Gluteal Lines
Gluteal lines (/ɡluːˈtiːəl laɪnz/) are anatomical landmarks found on the pelvis. They are three rough lines, the posterior, anterior, and inferior, which together outline the area for the attachment of the gluteal muscles to the ilium.
Etymology
The term "gluteal" is derived from the Latin "gluteus", meaning buttock, and "line" from the Latin "linea", meaning line.
Posterior Gluteal Line
The posterior gluteal line (/pəʊˈstɪərɪər ɡluːˈtiːəl laɪn/), the most superior of the three, begins at the iliac crest and ends at the greater sciatic notch. It serves as the upper limit of origin for the gluteus maximus muscle.
Anterior Gluteal Line
The anterior gluteal line (/ænˈtiːərɪər ɡluːˈtiːəl laɪn/), the middle of the three, begins at the anterior superior iliac spine and ends towards the acetabulum. It serves as the upper limit of origin for the gluteus minimus muscle.
Inferior Gluteal Line
The inferior gluteal line (/ɪnˈfiːrɪər ɡluːˈtiːəl laɪn/), the most inferior of the three, begins near the acetabulum and ends towards the greater sciatic notch. It serves as the upper limit of origin for the gluteus medius muscle.
Related Terms
- Ilium
- Gluteus maximus muscle
- Gluteus minimus muscle
- Gluteus medius muscle
- Pelvis
- Acetabulum
- Greater sciatic notch
- Anterior superior iliac spine
External links
- Medical encyclopedia article on Gluteal lines
- Wikipedia's article - Gluteal lines
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