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The Gluteus Maximus

The gluteus maximus is the largest and most superficial of the three gluteal muscles. It forms the bulk of the buttocks and has several key functions including hip extension, external rotation, and maintaining an upright posture.

Anatomical details:

• Origin: Ilium (upper part), sacrum, and coccyx
• Insertion: Femur and iliotibial tract
• Innervation: Inferior gluteal nerve
• Blood supply: Superior and inferior gluteal arteries

This muscle is often discussed in the context of related topics: See also gluteoplasty, gluteus medius, gluteus minimus.