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

Stiffness judgments are affected by visual occlusion

C G Maher1, R D Adams

  • 1School of Physiotherapy, Faculty of Health Sciences, University of Sydney, Australia. pt_maher@cchs.su.edu.au

Journal of Manipulative and Physiological Therapeutics
|May 1, 1996
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

Identifying mobility instruments used in emergency departments and evaluating their measurement properties: A systematic review.

The American journal of emergency medicine·2025
Same author

Do national health priorities align with Global Burden of Disease estimates on disease burden? An analysis of national health plans and official governmental websites.

Public health·2023
Same author

Characteristics and Effectiveness of Interventions That Target the Reporting, Communication, or Clinical Interpretation of Lumbar Imaging Findings: A Systematic Review.

AJNR. American journal of neuroradiology·2022
Same author

What proportion of patients with chronic noncancer pain are prescribed an opioid medicine? Systematic review and meta-regression of observational studies.

Journal of internal medicine·2020
Same author

Predicting Return to Work in a Heterogeneous Sample of Recently Injured Workers Using the Brief ÖMPSQ-SF.

Journal of occupational rehabilitation·2018
Same author

Discontinuation of the PACE Plus trial: problems in patient recruitment in general practice.

BMC musculoskeletal disorders·2018
Same journal

Dynamics of the Tibial Nerve During Straight Leg Raise Test: A Study of Individuals With Lumbar Disc Herniation.

Journal of manipulative and physiological therapeutics·2025
Same journal

Bridge Maneuvers in Low Back Pain: Assessment of Internal and External Responsiveness.

Journal of manipulative and physiological therapeutics·2025
Same journal

Functional Connectivity Density in Patients with Left Basal Ganglia Ischemic Stroke: A Comparative Study.

Journal of manipulative and physiological therapeutics·2025
Same journal

Meta-Analysis of the Effects of Acupuncture Combined With Letrozole on Ovulation Induction and Pregnancy Outcomes in Patients With Polycystic Ovary Syndrome.

Journal of manipulative and physiological therapeutics·2025
Same journal

Immediate Effect of Instrument-Assisted Soft Tissue Mobilization Treatment in Patients with Plantar Fasciopathy and Asymptomatic Subjects.

Journal of manipulative and physiological therapeutics·2025
Same journal

Effect of Total Resistance Exercises and Aquatic Exercises on Pain and Function of People With Knee Osteoarthritis: A Randomized Controlled Trial.

Journal of manipulative and physiological therapeutics·2025
See all related articles

Vision significantly impacts judgments of spinal stiffness, even though it does not affect discrimination ability. Standardizing vision is crucial for reliable posteroanterior spinal stiffness assessments.

Area of Science:

  • Biomedical Engineering
  • Orthopedics
  • Rehabilitation Science

Background:

  • Current methods for assessing posteroanterior (PA) spinal stiffness lack reliability.
  • Discrepancies in therapist vision use may contribute to inconsistent stiffness judgments.
  • Standardization of visual input is potentially necessary for accurate PA stiffness evaluation.

Purpose of the Study:

  • To investigate the influence of vision on the perception of PA spinal stiffness.
  • To determine if standardizing vision is required for accurate PA stiffness assessment.

Main Methods:

  • A perceptual study was conducted in a university psychophysics laboratory.
  • A mechanical device generated controlled stiffness stimuli.
  • Physiotherapists and lay individuals served as judges, with and without visual occlusion (opaque goggles).

Related Experiment Videos

Main Results:

  • Visual occlusion did not alter judges' capacity to differentiate between varying stiffness levels.
  • However, stimuli were perceived as significantly stiffer when vision was occluded.
  • This indicates a bias introduced by visual input.

Conclusions:

  • Vision plays a significant role in the subjective judgment of PA spinal stiffness.
  • Controlling for visual input is essential for improving the reliability of manual PA stiffness assessments.