Sacral plexus meaning

The sacral plexus is a network of nerves that supplies the pelvis, buttocks, and legs with sensation and movement.


Sacral plexus definitions

Word backwards larcas suxelp
Part of speech The part of speech of the word "sacral plexus" is a noun.
Syllabic division sac-ral ple-xus
Plural The plural of the word sacral plexus is sacral plexuses.
Total letters 12
Vogais (3) a,e,u
Consonants (6) s,c,r,l,p,x

Sacral Plexus:

The sacral plexus is a complex network of nerves located in the pelvis, specifically in the lower back region. It is formed by the fusion of the ventral rami of the lumbar and sacral spinal nerves. The sacral plexus plays a crucial role in innervating the lower limbs, pelvis, and some of the abdominal and genital structures.

Structure of the Sacral Plexus

The sacral plexus is formed by the ventral rami of spinal nerves L4 to S4. These nerves emerge from the spinal column and converge to form a network of nerves that supply motor and sensory innervation to the lower extremities. The nerves of the sacral plexus include the sciatic nerve, superior gluteal nerve, inferior gluteal nerve, and more.

Functions of the Sacral Plexus

The sacral plexus serves a vital role in the movement and sensation of the lower body. It controls the muscles responsible for lower limb movement, such as the muscles of the thigh, hip, and leg. Additionally, the sacral plexus provides sensory feedback from the lower limbs to the brain, allowing for perception of touch, pressure, temperature, and pain in this region.

Common Disorders of the Sacral Plexus

Damage or injury to the sacral plexus can result in a variety of symptoms, including pain, weakness, numbness, or tingling in the lower extremities. Conditions such as sacral plexus neuropathy, sacral plexus injury, or compression of the nerves in the pelvis can lead to dysfunction of the sacral plexus. Treatment of these disorders may involve physical therapy, medication, or in severe cases, surgery.

In conclusion, the sacral plexus is a vital component of the peripheral nervous system, responsible for the innervation of the lower body. Understanding the structure and function of the sacral plexus is essential in diagnosing and treating any disorders or injuries that may affect this complex network of nerves.


Sacral plexus Examples

  1. During surgery, the surgeon carefully avoided damaging the sacral plexus to prevent any nerve complications.
  2. Physical therapists often work on strengthening exercises to help patients recover from injuries to the sacral plexus.
  3. A motorcyclist who was in an accident suffered significant damage to his sacral plexus, resulting in temporary paralysis.
  4. Yoga poses such as the pigeon pose can help alleviate tension in the sacral plexus region.
  5. Individuals with sacral plexus injuries may experience symptoms such as numbness, tingling, or weakness in the lower body.
  6. The sacral plexus is responsible for innervating the muscles and organs in the pelvic region.
  7. A neurologist performed a series of tests to assess the function of the sacral plexus in a patient with unexplained back pain.
  8. In cases of severe trauma, damage to the sacral plexus can result in long-term disability.
  9. Acupuncture has been used as a complementary therapy to help improve nerve function in patients with sacral plexus injuries.
  10. The sacral plexus plays a crucial role in the communication between the brain and the lower body.


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  • Updated 25/03/2024 - 12:32:20