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 Video

Updated: May 9, 2026

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
07:43

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

Method for measuring vertebral kinematics from videofluoroscopy.

J Cholewicki1, S M McGill, R P Wells

  • 1Occupational Biomechanics Laboratory, Department of Kinesiology, University of Waterloo, Ontario, Canada.

Clinical Biomechanics (Bristol, Avon)
|August 7, 2013
PubMed
Summary
This summary is machine-generated.

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

Intellectual developmental disorder with cardiac arrhythmia syndrome in a child with compound heterozygous GNB5 variants.

Clinical genetics·2018
Same author

The cost and distribution of firefighter injuries in a large Canadian Fire Department.

Work (Reading, Mass.)·2016
Same author

Mechanical design and fabrication of the VHF-gun, the Berkeley normal-conducting continuous-wave high-brightness electron source.

The Review of scientific instruments·2016
Same author

Firefighter injuries are not just a fireground problem.

Work (Reading, Mass.)·2015
Same author

Reduction in anterior shear forces on the L 4L 5 disc by the lumbar musculature.

Clinical biomechanics (Bristol, Avon)·2013
Same author

Creep response of the lumbar spine to prolonged full flexion.

Clinical biomechanics (Bristol, Avon)·2013
Same journal

Interlimb differences in knee joint loading and stress distribution following anterior cruciate ligament reconstruction during stair descent.

Clinical biomechanics (Bristol, Avon)·2026
Same journal

Exploring real-world lumbar posture behaviour. A whole day comparison of individuals with low back pain and healthy controls.

Clinical biomechanics (Bristol, Avon)·2026
Same journal

Motor differences in jumping among children with and without autism spectrum disorder.

Clinical biomechanics (Bristol, Avon)·2026
Same journal

Reduced lower extremity strength, altered muscle activation, and unchanged kinetics during single-leg squatting in males with patellofemoral pain versus pain-free males: A cross-sectional analysis.

Clinical biomechanics (Bristol, Avon)·2026
Same journal

Ensuring bone-to-bone contact reduces interfragmentary strain in forearm shaft plating: A finite element study.

Clinical biomechanics (Bristol, Avon)·2026
Same journal

Acute changes in gait biomechanics in children with cerebral palsy due to barefoot vs. footwear condition - An exploratory study.

Clinical biomechanics (Bristol, Avon)·2026
See all related articles

Accurate spine kinematics measurement requires minimizing optical distortions and digitizing errors in videofluoroscopic imaging. This study presents a validated method to reduce these errors, improving lumbar spine kinematic analysis.

Area of Science:

  • Biomechanics
  • Medical Imaging
  • Spine Research

Background:

  • Accurate measurement of spine kinematics is crucial for understanding spinal function and diagnosing conditions.
  • Videofluoroscopic imaging is a common technique for assessing spine motion, but is susceptible to optical distortions and digitizing errors.
  • Existing methods for error reduction in videofluoroscopic analysis may not be universally applicable or sufficiently accurate.

Purpose of the Study:

  • To adapt and evaluate a method for reducing optical distortions and digitizing errors in videofluoroscopic imaging for spine kinematics.
  • To quantify the accuracy of lumbar spine kinematic measures obtained using the adapted method.
  • To assess the effectiveness of image and signal processing techniques in improving measurement precision.

Main Methods:

More Related Videos

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
06:09

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

Published on: March 12, 2021

Related Experiment Videos

Last Updated: May 9, 2026

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy
07:43

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
06:09

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

Published on: March 12, 2021

  • Adaptation and application of image and signal processing techniques to videofluoroscopic data.
  • Collection of lumbar spine kinematic data during walking and trunk extension tasks.
  • Calculation of mean absolute error for vertebral rotation and linear measurements.
  • Application of digital filtering to minimize random errors.

Main Results:

  • The adapted method demonstrated a mean absolute error of 0.69° (sd = 0.43°) for vertebral rotation.
  • Linear measurements showed a mean absolute error of 0.33 mm (sd = 0.25 mm).
  • Errors were found to be independent of the angle of rotation.
  • Digital filtering effectively reduced random errors in kinematic measurements.

Conclusions:

  • The adapted image and signal processing method significantly reduces errors in videofluoroscopic spine kinematics measurement.
  • This technique provides accurate and reliable quantitative data for lumbar spine motion analysis.
  • The findings support the use of this method for improved diagnostic and research applications in spine disorders.