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 Experiment Videos

Flexibility in the scoliotic spine: three-dimensional analysis

T Matsumoto1, H Kitahara, S Minami

  • 1Department of Orthopaedic Surgery, School of Medicine, Chiba University, Japan.

Journal of Spinal Disorders
|April 1, 1997
PubMed
Summary

This study found that severe scoliosis curves (>40 degrees) correlate with spinal rotation and reduced flexibility. Greater frontal plane curves and hypokyphosis indicate increased apical vertebral rotation and stiffness.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Noncollinear electro-optic sampling detection of terahertz pulses in a LiNbO<sub>3</sub> crystal while avoiding the effect of intrinsic birefringence.

Optics express·2022
Same author

Prolonged lymphocytopenia after bendamustine therapy in patients with relapsed or refractory indolent B-cell and mantle cell lymphoma.

Blood cancer journal·2017
Same author

Impact of the double expression of MYC and BCL2 on outcomes of localized primary gastric diffuse large B-cell lymphoma patients in the rituximab era.

Blood cancer journal·2016
Same author

Prolonged lymphocytopenia after bendamustine therapy in patients with relapsed or refractory indolent B-cell and mantle cell lymphoma.

Blood cancer journal·2015
Same author

Associations of vertebral deformities and osteoarthritis with back pain among Japanese women: the Hizen-Oshima study.

Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA·2012
Same author

Br-DIF-1 accelerates dimethyl sulphoxide-induced differentiation of P19CL6 embryonic carcinoma cells into cardiomyocytes.

British journal of pharmacology·2011

Area of Science:

  • Orthopedics
  • Radiology
  • Biomechanical Engineering

Background:

  • Idiopathic scoliosis is a complex spinal deformity affecting posture and potentially leading to reduced spinal mobility.
  • Understanding the three-dimensional (3D) geometry and flexibility of scoliotic spines is crucial for effective treatment planning.

Purpose of the Study:

  • To quantify the 3D spinal geometry in patients with idiopathic scoliosis using biplane radiographic photogrammetry.
  • To assess the relationship between spinal deformity parameters and spinal flexibility.

Main Methods:

  • Biplane radiographic photogrammetry was employed to measure the 3D geometry of the deformed spine in 31 patients.
  • Analysis focused on the scoliotic angle (frontal plane), kyphotic angle (sagittal plane), and apical vertebral rotation.

Related Experiment Videos

Main Results:

  • A significant correlation was observed between frontal plane scoliotic angle, sagittal plane kyphotic angle, and apical vertebral rotation.
  • Hypokyphosis was associated with scoliotic angles greater than 40 degrees and increased apical vertebral rotation (p < 0.01).
  • While traction reduced the scoliotic angle in all patients, axial rotation correction was less effective in those with severe curves (>40 degrees).

Conclusions:

  • Spinal rotational stiffness at the apex of the curve is linked to the degree of apical vertebral rotation and the severity of the frontal plane curve.
  • These findings highlight the complex interplay between spinal deformity components and their impact on spinal flexibility in idiopathic scoliosis.