Plantar nerve

From WikiMD's Wellness Encyclopedia

Plantar Nerve

The Plantar Nerve is a significant nerve in the human body, specifically located in the foot. It is a branch of the Tibial Nerve, which is itself a branch of the Sciatic Nerve. The Plantar Nerve plays a crucial role in the sensory and motor functions of the foot.

Etymology[edit | edit source]

The term "Plantar" is derived from the Latin word "planta," which means "sole of the foot." The term "nerve" comes from the Latin "nervus," meaning "sinew, tendon, or string."

Anatomy[edit | edit source]

The Plantar Nerve is divided into two primary branches: the Medial Plantar Nerve and the Lateral Plantar Nerve. These nerves innervate different areas of the foot, providing sensory and motor functions.

Medial Plantar Nerve[edit | edit source]

The Medial Plantar Nerve, also known as the "nerve of the great toe," supplies the skin of the medial side of the sole, the skin of the medial three and a half toes, and some muscles of the foot.

Lateral Plantar Nerve[edit | edit source]

The Lateral Plantar Nerve, also known as the "nerve of the little toe," supplies the skin of the lateral side of the sole, the skin of the lateral one and a half toes, and some muscles of the foot.

Function[edit | edit source]

The Plantar Nerves are responsible for the sensory perception of the sole of the foot, including touch, pain, and temperature. They also control the contraction of the muscles in the foot, allowing for movement and stability.

Clinical Significance[edit | edit source]

Damage or injury to the Plantar Nerves can lead to conditions such as Plantar Fasciitis or Morton's Neuroma. These conditions can cause pain, numbness, or weakness in the foot and may require medical intervention.

See Also[edit | edit source]

Plantar nerve Resources

Contributors: Prab R. Tumpati, MD