Inferior gluteal nerve

Inferior Gluteal Nerve

The Inferior Gluteal Nerve is a nervous structure that originates from the sacral plexus and innervates the gluteus maximus muscle. It is a motor nerve, meaning it is responsible for the transmission of signals from the brain to the muscle, allowing for movement and function.

Etymology

The term "Inferior Gluteal Nerve" is derived from its location and function. "Inferior" refers to its position relative to the superior gluteal nerve, while "gluteal" pertains to its association with the gluteus maximus muscle. "Nerve" is derived from the Latin word "nervus", meaning sinew or cord.

Anatomy

The Inferior Gluteal Nerve arises from the dorsal divisions of the first and second sacral nerves. It exits the pelvis through the greater sciatic foramen, below the piriformis muscle, and divides into branches that enter the deep surface of the gluteus maximus muscle.

Function

The primary function of the Inferior Gluteal Nerve is to innervate the gluteus maximus muscle. This muscle is the largest in the human body and is responsible for the movement of the hip and thigh, including extension and lateral rotation.

Clinical Significance

Damage to the Inferior Gluteal Nerve can result in weakness or paralysis of the gluteus maximus muscle. This can lead to difficulties in climbing stairs, rising from a seated position, and other movements that require the extension of the hip.

Related Terms

• Superior Gluteal Nerve
• Sacral Plexus
• Gluteus Maximus Muscle
• Nervous System

Inferior gluteal nerve Resources
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