Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Alterations in Muscle Tone ll01:12

Alterations in Muscle Tone ll

Alterations in muscle tone are common manifestations of neurological disorders and reflect dysfunction within different nervous system regions. Spasticity, paratonia, and dystonia represent distinct forms of hypertonia, each with unique mechanisms, clinical features, and diagnostic importance.CharacteristicsSpasticity happens from upper motor neuron lesions and is characterized by velocity-dependent resistance to passive movement. Clinical features include:Exaggerated deep tendon reflexesClonus...
Alterations in Muscle Tone lll01:11

Alterations in Muscle Tone lll

Rigidity and myotonia are distinct abnormalities of muscle tone that affect resistance and relaxation during movement. Although both involve altered muscle contraction, they arise from different neurological and muscular mechanisms.CharacteristicsRigidity is characterized by uniform resistance to passive movement across the entire range, independent of speed, affecting flexors and extensors equally. It may appear as lead-pipe rigidity (smooth, constant resistance) or cogwheel rigidity...
Spinal Cord: Cross-sectional Anatomy01:16

Spinal Cord: Cross-sectional Anatomy

The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
Gray Matter and its Components
Central to the gray matter is...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Spinal Cord Injury ll: Pathophysiology01:14

Spinal Cord Injury ll: Pathophysiology

Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Morphological and molecular characterisation of <i>Xiphinema pedrami</i> sp. nov. and <i>X. basiri</i> Siddiqi 1959 (Nematoda: Longidoridae) from southern Iran.

Journal of helminthology·2025
Same author

Measurement of Lepton-Jet Correlation in Deep-Inelastic Scattering with the H1 Detector Using Machine Learning for Unfolding.

Physical review letters·2022
Same author

1st FSHD European Trial Network workshop:Working towards trial readiness across Europe.

Neuromuscular disorders : NMD·2021
Same author

Vector-apodizing phase plate coronagraph: design, current performance, and future development [Invited].

Applied optics·2021
Same author

Assessment of the upper limb of the tetraplegic patient.

Hand surgery & rehabilitation·2021
Same author

[Acute localized dissection of the descending thoracic aorta: A diagnostic trap].

Annales de cardiologie et d'angeiologie·2021
Same journal

[Not Available].

Journal de radiologie·2014
Same journal

[Not Available].

Journal de radiologie·2014
Same journal

[Not Available].

Journal de radiologie·2014
Same journal

[Not Available].

Journal de radiologie·2014
Same journal

[Not Available].

Journal de radiologie·2014
Same journal

[Not Available].

Journal de radiologie·2014
See all related articles

Related Experiment Video

Updated: Jun 5, 2026

Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
07:00

Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression

Published on: May 7, 2019

[Spasticity: clinical and imaging features].

S Mokhtari1, C Hugeron, F Roffi

  • 1Service d'imagerie médicale du Pr Vallée, Hôpital Raymond Poincaré, 104 boulevard Raymond Poincaré, 92380 Garches, France. mokhtari_samia@yahoo.fr

Journal De Radiologie
|January 19, 2011
PubMed
Summary
This summary is machine-generated.

Spasticity management in central nervous system lesions can be improved with specific imaging procedures and botulinum agent injections. These methods aid in diagnosing underlying causes and treating spastic patients effectively.

More Related Videos

Isokinetic Robotic Device to Improve Test-Retest and Inter-Rater Reliability for Stretch Reflex Measurements in Stroke Patients with Spasticity
08:40

Isokinetic Robotic Device to Improve Test-Retest and Inter-Rater Reliability for Stretch Reflex Measurements in Stroke Patients with Spasticity

Published on: June 12, 2019

Related Experiment Videos

Last Updated: Jun 5, 2026

Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
07:00

Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression

Published on: May 7, 2019

Isokinetic Robotic Device to Improve Test-Retest and Inter-Rater Reliability for Stretch Reflex Measurements in Stroke Patients with Spasticity
08:40

Isokinetic Robotic Device to Improve Test-Retest and Inter-Rater Reliability for Stretch Reflex Measurements in Stroke Patients with Spasticity

Published on: June 12, 2019

Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Spasticity, a key feature of pyramidal syndrome, involves heightened reflexes in patients with central nervous system lesions like stroke or multiple sclerosis.
  • Standardized imaging protocols, including patient positioning and device management, are crucial for obtaining high-quality MR images in spastic individuals.
  • Deterioration of spasticity often indicates an underlying irritative process, such as infection or fracture, detectable via imaging.

Purpose of the Study:

  • To highlight the role of specialized imaging techniques in managing spasticity.
  • To emphasize the diagnostic utility of imaging in identifying causes of spasticity exacerbation.
  • To underscore the contribution of radiologists in the care of spastic patients through image-guided interventions.

Main Methods:

  • Implementation of standard procedures for MR imaging in spastic patients (e.g., positioning, extended time, device management).
  • Utilizing imaging modalities like ultrasound or CT for guided injections.
  • Diagnostic imaging to detect underlying irritative processes causing spasticity worsening.

Main Results:

  • High-quality MR imaging examinations are achievable in spastic patients with appropriate procedural adjustments.
  • Imaging effectively detects underlying conditions (infections, fractures, syrinxes) that exacerbate spasticity.
  • Ultrasound or CT-guided botulinum agent injections offer a therapeutic avenue for radiologists in spasticity management.

Conclusions:

  • Radiologists play a vital role in the comprehensive management of spasticity.
  • Image-guided interventions, such as botulinum agent injections, are valuable tools for treating spasticity.
  • Adherence to specific imaging protocols ensures diagnostic accuracy in spastic patients.