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

Carpal orientation from computed reference axes.

R J Belsole1, D R Hilbelink, J A Llewellyn

  • 1Department of Orthopaedic Surgery, University of South Florida, Tampa.

The Journal of Hand Surgery
|January 1, 1991
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

Air-polishing followed by ultrasonic calculus removal for the treatment of gingivitis: A 12-month, split-mouth randomized controlled clinical trial.

International journal of dental hygiene·2024
Same author

CTC service heterogeneity and design of a workforce calculator.

Clinical radiology·2023
Same author

Dysregulation of macrophage PEPD in obesity determines adipose tissue fibro-inflammation and insulin resistance.

Nature metabolism·2022
Same author

Epidermoid cysts associated with the gastrointestinal tract in a dog.

The Journal of small animal practice·2021
Same author

A multicenter validation of the revised version of the Milan system for reporting salivary gland cytology (MSRSGC).

Oral oncology·2020
Same author

Analysis of a National Programme for Selective Internal Radiation Therapy for Colorectal Cancer Liver Metastases.

Clinical oncology (Royal College of Radiologists (Great Britain))·2018

This study introduces a new computed tomography (CT) method for analyzing carpal instability. This technique offers a more reliable assessment of wrist joint geometry than traditional radiographic angles.

Area of Science:

  • Orthopedic biomechanics
  • Radiographic imaging analysis
  • Human anatomy

Background:

  • Carpal instability diagnosis traditionally relies on radiographic angles, which can be unreliable due to overlapping shadows.
  • Existing methods for assessing carpal geometry are often subjective and lack precision.
  • A need exists for objective and comprehensive methods to evaluate carpal bone alignment and relationships.

Purpose of the Study:

  • To develop and validate a novel method using computed tomography (CT) data to objectively describe carpal bone orientation.
  • To establish new carpal axes and intercarpal angles independent of conventional radiographic measurements.
  • To provide a tool for improved diagnosis of carpal instability and study of wrist joint pathomechanics.

Main Methods:

Related Experiment Videos

  • Utilized digital data from CT scans of twenty-two normal wrists.
  • Computed volumetric centroids for each carpal bone.
  • Employed an expansion technique to extract principal axes (longest dimension) for each carpal bone from CT data.

    • Main Results:

    • Calculated new intercarpal angles based on the principal axes of carpal bones.
    • Average angles: scaphoid-lunate (23.6°), scaphoid-capitate (73.2°), capitate-lunate (93.5°).
    • These novel angles are distinct from traditional two-plane radiographic measurements.

    Conclusions:

    • The developed CT-based method provides objective carpal axes and intercarpal angles.
    • These new measurements offer a more reliable assessment of carpal geometry compared to standard radiographic methods.
    • This approach holds potential for advancing the understanding of wrist kinematics and pathomechanics, aiding in carpal instability diagnosis.