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

Net Change Theorem01:22

Net Change Theorem

70
The Net Change Theorem is a fundamental principle in calculus that establishes a direct relationship between a function’s rate of change and its accumulated change over an interval. Mathematically, it states that the definite integral of a function's derivative over a given interval [a,b] yields the net change in the original function:This theorem has significant applications in various real-world scenarios, including physics, economics, and engineering. A particularly useful application...
70
Rates of Change01:20

Rates of Change

93
The rate of change is a central concept in mathematics that quantifies how one variable varies in response to another. It serves as a foundational tool in modeling dynamic systems across disciplines such as physics, biology, economics, and engineering. Understanding both average and instantaneous rates of change enables the analysis of behavior in functions that describe real-world phenomena.Average Rate of ChangeFor a function f(x) defined over an interval [x1,x2], the average rate of change...
93
Global Climate Change01:50

Global Climate Change

28.9K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
28.9K
Work Done During Volume Change01:17

Work Done During Volume Change

5.2K
In mechanics, work is done on an object when the force acting on it displaces the object. In thermodynamics, work done on a system can be estimated when the system's volume changes during any thermodynamic process.
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as
5.2K
Le Chatelier's Principle: Changing Temperature02:19

Le Chatelier's Principle: Changing Temperature

35.4K
Consistent with the law of mass action, an equilibrium stressed by a change in concentration will shift to re-establish equilibrium without any change in the value of the equilibrium constant, K. When an equilibrium shifts in response to a temperature change, however, it is re-established with a different relative composition that exhibits a different value for the equilibrium constant.
To understand this phenomenon, consider the elementary reaction:
35.4K
Standard Entropy Change for a Reaction03:00

Standard Entropy Change for a Reaction

24.4K
Entropy is a state function, so the standard entropy change for a chemical reaction (ΔS°rxn) can be calculated from the difference in standard entropy between the products and the reactants.
24.4K

You might also read

Related Articles

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

Sort by
Same author

A cluster-based law enforcement body armor sizing system: Concept, procedure, and design practice.

Applied ergonomics·2024
Same author

Design for All - Design for Disabled: How important is anthropometry?

Work (Reading, Mass.)·2022
Same author

Encumbered and Traditional Anthropometry of Law Enforcement Officers for Vehicle Workspace and Protective Equipment Design.

Human factors·2021
Same author

Needs and Procedures for a National Anthropometry Study of Law Enforcement Officers.

Human factors·2021
Same author

Analysis of hand-forearm anthropometric components in assessing handgrip and pinch strengths of school-aged children and adolescents: a partial least squares (PLS) approach.

BMC pediatrics·2021
Same author

Anthropometric Dimensions of Individuals With High Body Mass Index.

Human factors·2019
Same journal

Musculoskeletal pain, performance anxiety, and stress-producing life events among orchestral players in Brazil: An observational study.

Work (Reading, Mass.)·2026
Same journal

From dirty work to safety performance: A mixed-methods study on chemical workers' safety compliance and participation in China.

Work (Reading, Mass.)·2026
Same journal

Interventions to manage back pain in agriculture, horticulture, and seafood workers - A scoping review.

Work (Reading, Mass.)·2026
Same journal

Working under digital pressure: Electronic performance monitoring, psychological contracts, and job crafting among construction and engineering professionals.

Work (Reading, Mass.)·2026
Same journal

From exclusion to inclusion: How spiritual leadership shapes workplace relationships.

Work (Reading, Mass.)·2026
Same journal

An easier government? The impact of digital government platform on government employee overtime.

Work (Reading, Mass.)·2026
See all related articles

Related Experiment Video

Updated: Jan 31, 2026

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research
06:48

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research

Published on: June 7, 2024

2.0K

Anthropometric change: implications for office ergonomics.

Claire C Gordon1, Bruce Bradtmiller

  • 1US Army Natick Soldier Center, Natick, MA 01760-5020, USA.

Work (Reading, Mass.)
|February 10, 2012
PubMed
Summary
This summary is machine-generated.

Obesity rates have significantly increased in US civilians and military personnel over 50 years, impacting workplace design. This study tracks anthropometric changes, highlighting the need for updated ergonomic data.

More Related Videos

Focal Laser Ablation of Prostate Cancer: An Office Procedure
11:07

Focal Laser Ablation of Prostate Cancer: An Office Procedure

Published on: March 30, 2021

8.5K
A Method for Investigating Change Blindness in Pigeons Columba Livia
06:14

A Method for Investigating Change Blindness in Pigeons Columba Livia

Published on: September 7, 2018

6.8K

Related Experiment Videos

Last Updated: Jan 31, 2026

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research
06:48

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research

Published on: June 7, 2024

2.0K
Focal Laser Ablation of Prostate Cancer: An Office Procedure
11:07

Focal Laser Ablation of Prostate Cancer: An Office Procedure

Published on: March 30, 2021

8.5K
A Method for Investigating Change Blindness in Pigeons Columba Livia
06:14

A Method for Investigating Change Blindness in Pigeons Columba Livia

Published on: September 7, 2018

6.8K

Area of Science:

  • Ergonomics
  • Anthropometry
  • Public Health

Background:

  • Office workspace design relies on anthropometric data to accommodate diverse worker populations.
  • The growing obesity epidemic has led to significant anthropometric shifts impacting design considerations.

Purpose of the Study:

  • To examine anthropometric changes in US civilians and military personnel over the past 50 years.
  • To assess the impact of these changes on workplace design and ergonomic standards.

Main Methods:

  • Analysis of anthropometric data from US civilians (1962-2006) and US military populations.
  • Application of military height/weight regression equations to civilian population estimates for monitoring.

Main Results:

  • Mean civilian stature increased, but mean weight increased at a faster rate, leading to higher obesity rates for both males and females.
  • Male obesity increased from 10.7% (1962) to 31.3% (2006); female obesity rose from 15.8% to 33.2%.
  • Army male obesity increased from 3.6% to 20.9%.

Conclusions:

  • Significant anthropometric changes, particularly increased weight and obesity, necessitate updated design standards for office workspaces.
  • While military data offers insights, civilian population monitoring requires specific methods, acknowledging limitations in estimating extreme distribution changes.