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Related Concept Videos

Spinal Nerves: Plexus II01:21

Spinal Nerves: Plexus II

The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
The Lumbar Plexus
The lumbar plexus is situated within the lumbar region of the back and is primarily formed by the first four lumbar spinal nerves (L1 to L4). This plexus extends its branches into several nerves, including the...
Muscles that Move the Thigh01:20

Muscles that Move the Thigh

The thigh's motion is primarily governed by muscles originating in the pelvic girdle and inserted into the femur. One crucial muscle, the iliopsoas, is a combination of the psoas major and the iliacus muscles, sharing a common insertion point on the lesser trochanter of the femur.
Three other significant muscles are the gluteus maximus, gluteus medius, and gluteus minimus. The gluteus maximus originates from the posterior surface of the ilium, sacrum, and coccyx, and the thoracolumbar fascia...
Abdominal Regions and Quadrants01:19

Abdominal Regions and Quadrants

To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four quadrants...
Irritable Bowel Syndrome01:23

Irritable Bowel Syndrome

DefinitionIrritable bowel syndrome (IBS) is a functional gastrointestinal disorder characterized by recurrent combinations of abdominal pain, bloating, diarrhea, or constipation.Pathophysiology of irritable bowel syndromeIts pathophysiology is multifactorial, involving disturbances in motility, sensory processing, microbial balance, barrier integrity, and gut–brain communication. These mechanisms interact to produce symptoms that vary across IBS subtypes.Altered Motility PatternsDisordered...
Arteries of Lower Limbs01:20

Arteries of Lower Limbs

The external iliac artery transitions out of the body cavity, entering the femoral region of the lower leg, and is renamed the femoral artery at the point where it traverses the body wall. This artery is responsible for the distribution of blood to the thigh's deep muscles and the skin's ventral and lateral regions, achieved through several minor branches and the lateral deep femoral artery, which also spawns a lateral circumflex artery. The knee area receives blood from the genicular artery,...
Herniated Intervertebral Disc l: Introduction01:29

Herniated Intervertebral Disc l: Introduction

Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...

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Related Experiment Video

Updated: Jun 20, 2026

Efficacy of Fu's Subcutaneous Needling on Sciatic Nerve Pain: Behavioral and Electrophysiological Changes in a Chronic Constriction Injury Rat Model
08:20

Efficacy of Fu's Subcutaneous Needling on Sciatic Nerve Pain: Behavioral and Electrophysiological Changes in a Chronic Constriction Injury Rat Model

Published on: June 30, 2023

[Buttocks sciatic pain].

J-J Labat1, R Robert, T Riant

  • 1Service de neurotraumatologie, Hôtel-Dieu, 2, place Alexis-Ricordeau, 44035 Nantes cedex 1, France.

Neuro-Chirurgie
|September 12, 2009
PubMed
Summary
This summary is machine-generated.

Differentiating sciatic nerve trunk pain from radicular pain is crucial. Look for buttock pain and atypical nerve courses, especially when spinal symptoms are absent, to diagnose conditions like piriformis syndrome.

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Partial Sciatic Nerve Ligation: A Mouse Model of Chronic Neuropathic Pain to Study the Antinociceptive Effect of Novel Therapies
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Partial Sciatic Nerve Ligation: A Mouse Model of Chronic Neuropathic Pain to Study the Antinociceptive Effect of Novel Therapies

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Chronic Constriction of the Sciatic Nerve and Pain Hypersensitivity Testing in Rats
08:23

Chronic Constriction of the Sciatic Nerve and Pain Hypersensitivity Testing in Rats

Published on: March 13, 2012

Related Experiment Videos

Last Updated: Jun 20, 2026

Efficacy of Fu's Subcutaneous Needling on Sciatic Nerve Pain: Behavioral and Electrophysiological Changes in a Chronic Constriction Injury Rat Model
08:20

Efficacy of Fu's Subcutaneous Needling on Sciatic Nerve Pain: Behavioral and Electrophysiological Changes in a Chronic Constriction Injury Rat Model

Published on: June 30, 2023

Partial Sciatic Nerve Ligation: A Mouse Model of Chronic Neuropathic Pain to Study the Antinociceptive Effect of Novel Therapies
08:16

Partial Sciatic Nerve Ligation: A Mouse Model of Chronic Neuropathic Pain to Study the Antinociceptive Effect of Novel Therapies

Published on: October 6, 2022

Chronic Constriction of the Sciatic Nerve and Pain Hypersensitivity Testing in Rats
08:23

Chronic Constriction of the Sciatic Nerve and Pain Hypersensitivity Testing in Rats

Published on: March 13, 2012

Area of Science:

  • Neurology
  • Orthopedics
  • Pain Management

Context:

  • Sciatic pain often presents diagnostic challenges, frequently confused with radicular pain.
  • Distinguishing nerve trunk syndromes from vertebral-radicular conflicts is essential for accurate diagnosis and treatment.

Purpose:

  • To highlight the differential diagnosis of sciatic pain, emphasizing nerve trunk syndromes over radicular causes.
  • To guide clinicians in identifying sciatic nerve compression by surrounding muscles.

Summary:

  • Absence of spinal symptoms and buttock-onset pain suggest sciatic nerve trunk pathology.
  • Clinical, electrophysiological, and radiological evaluations are key to diagnosing sciatic nerve compression by the piriformis or obturator internus muscles.
  • Hamstring syndrome is a potential mimic that requires consideration.

Impact:

  • Improved diagnostic accuracy for sciatic pain, leading to more targeted and effective treatments.
  • Reduced misdiagnosis and delayed treatment for patients with nerve trunk compression syndromes.
  • Emphasis on conservative management, including physical therapy and botulinum toxin injections, before considering surgery.