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

You might also read

Related Articles

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

Sort by
Same author

Microbiological factors in the design, validation and verification of operating theatre ventilation: Healthcare Infection Society consensus guidance for infection prevention and control professionals, and members of ventilation safety groups.

The Journal of hospital infection·2026
Same author

From Animals to Arthroplasty: Insights From Three Cases of <i>Pasteurella</i> Prosthetic Joint Infection and a Comprehensive Review of the Literature.

Case reports in surgery·2026
Same author

Belatacept suppresses B-cell subset alloresponses.

Human immunology·2025
Same author

A retrospective review of gram-negative spinal infections in a single tertiary spinal centre over six years.

Bone & joint open·2024
Same author

Identifying lupus Patient Subsets Through Immune Cell Deconvolution of Gene Expression Data in Two Atacicept Phase II Studies.

ACR open rheumatology·2023
Same author

Predictors and outcomes of first pass efficacy in posterior circulation strokes: Insights from STAR collaboration.

Interventional neuroradiology : journal of peritherapeutic neuroradiology, surgical procedures and related neurosciences·2022

Related Experiment Video

Updated: Dec 24, 2025

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
07:26

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans

Published on: October 17, 2018

21.1K

Testing to Identify Submaximal Effort: Lifting to a Perceived 50% Effort vs. an Assigned Submaximal Load.

Marcie C Swift1, Robert Townsend2, Douglas Edwards2

  • 1Department of Physical Therapy, Rockhurst University, Kansas City, Missouri; and.

Journal of Strength and Conditioning Research
|April 14, 2020
PubMed
Summary
This summary is machine-generated.

Testing submaximal effort in post-injury functional assessments revealed no significant difference between perceived 50% effort and assigned loads. This finding validates using perceived effort in functional testing for injured workers.

More Related Videos

Induction and Assessment of Exertional Skeletal Muscle Damage in Humans
08:33

Induction and Assessment of Exertional Skeletal Muscle Damage in Humans

Published on: December 11, 2016

7.8K
Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
12:59

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

13.0K

Related Experiment Videos

Last Updated: Dec 24, 2025

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
07:26

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans

Published on: October 17, 2018

21.1K
Induction and Assessment of Exertional Skeletal Muscle Damage in Humans
08:33

Induction and Assessment of Exertional Skeletal Muscle Damage in Humans

Published on: December 11, 2016

7.8K
Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
12:59

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

Published on: July 5, 2017

13.0K

Area of Science:

  • Biomechanics
  • Occupational Health
  • Rehabilitation Science

Background:

  • Accurate measurement of effort is crucial for validating physical limitations in post-injury functional testing.
  • The Cross-Reference Testing System (XRTS) utilizes distraction-based dynamic material handling to identify submaximal efforts.
  • XRTS assesses material handling through crate lifts and lever arm device lifts.

Purpose of the Study:

  • To compare the influence of lifting to a perceived 50% effort versus an assigned submaximal load on test results.
  • To determine if perceived effort is a valid alternative to assigned loads in functional testing.

Main Methods:

  • Two groups performed dynamic material handling tests (crate lift, lever arm lift) at three heights.
  • Group A lifted assigned submaximal loads; Group B lifted to a perceived 50% effort (37.5 lb).
  • Reproducibility of effort was measured, and a 2x3 ANOVA analyzed differences between groups and lifting heights.

Main Results:

  • The mean percent change between comparative lifts was 31.13% for the assigned load group and 29.26% for the perceived effort group.
  • A 2x3 ANOVA showed no significant difference (p = 0.751) between the two testing conditions.
  • Both methods demonstrated similar reproducibility of effort.

Conclusions:

  • Attempting to lift to a perceived 50% effort is not significantly different from attempting to lift to an assigned submaximal load.
  • Perceived effort can be a valid method for functional testing in post-injury assessments.
  • These findings support the use of perceived effort in distraction-based material handling tests to identify submaximal efforts.