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

Brick Sizes01:21

Brick Sizes

536
Brick sizing plays a crucial role in construction, influencing both the aesthetics and structural integrity of buildings. Bricks are defined by three dimensions: width, thickness, and length. They are commonly designed to fit modular measurements, typically in multiples of 4 inches or 8 inches in width, to facilitate uniform construction and compatibility with other building materials.
Modular bricks are the most common type and are sized to include the mortar joint, which is essential for...
536
Design Example: Flow Through a Fire Extinguisher01:12

Design Example: Flow Through a Fire Extinguisher

565
A fire extinguisher that uses pressurized water relies on fluid dynamics principles to generate a high-velocity stream capable of suppressing flames. The water is stored at a much higher pressure inside the extinguisher than the surrounding atmosphere. This pressure difference forces the water to flow rapidly when the extinguisher is activated, and the behavior of the water as it exits the nozzle can be understood using fundamental equations of fluid dynamics.
The key to understanding how the...
565
Design Consideration01:22

Design Consideration

666
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
666
Dose Size and Dosing Frequency: Determination Methods01:21

Dose Size and Dosing Frequency: Determination Methods

794
Determining the optimal dose size and dosing frequency in pharmacotherapy is crucial for achieving therapeutic effectiveness while minimizing adverse effects. This article explores the methodologies employed in determining these parameters, focusing on their significance and interplay to tailor dosing regimens.Dose Size: Dose size refers to the amount of a drug administered in a single dose. It is determined based on the drug's pharmacodynamics and pharmacokinetics properties and...
794
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

390
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
390
Design Example: Dimensioning of Concrete Masonry Construction01:13

Design Example: Dimensioning of Concrete Masonry Construction

483
For the construction of a storeroom using concrete masonry units, it's essential to align the dimensions of the structure with the actual sizes of the blocks and the intended mortar joints. On the site in question, there's a stockpile of concrete masonry blocks with a nominal size of eight by eight by sixteen inches, which are to be used in the construction of the storeroom.
The site engineer has laid out a plan for the storeroom with external dimensions of twelve feet in length and...
483

You might also read

Related Articles

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

Sort by
Same author

Firefighter gloves sizing: Coverage, practicality, and effectiveness.

Applied ergonomics·2025
Same author

Ergonomics/human factors and the future of work: A global systems perspective.

Applied ergonomics·2025
Same author

Optimizing heated driver seat design: Thermal comfort in cold weather.

Applied ergonomics·2025
Same author

Grip strength of law enforcement officers and its implications.

Applied ergonomics·2024
Same author

Time to diagnosis and determinants of diagnostic delays of people living with a rare disease: results of a Rare Barometer retrospective patient survey.

European journal of human genetics : EJHG·2024
Same author

<i>Human-Robot Collaboration in Occupational Settings</i>: An Introduction to the Special Issue.

IISE transactions on occupational ergonomics and human factors·2024

Related Experiment Video

Updated: Apr 25, 2026

Combining Volumetric Capnography And Barometric Plethysmography To Measure The Lung Structure-function Relationship
08:25

Combining Volumetric Capnography And Barometric Plethysmography To Measure The Lung Structure-function Relationship

Published on: January 8, 2019

8.9K

Sizing firefighters: method and implications.

Hongwei Hsiao, Jennifer Whitestone, Tsui-Ying Kau

    Human Factors
    |August 22, 2014
    PubMed
    Summary
    This summary is machine-generated.

    New anthropometric data for U.S. firefighters reveals they are heavier and taller than the general population, with larger upper bodies. This information is crucial for improving fire apparatus and safety equipment design.

    More Related Videos

    Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems
    07:41

    Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

    Published on: July 30, 2019

    7.1K
    Measuring Spray Droplet Size from Agricultural Nozzles Using Laser Diffraction
    08:14

    Measuring Spray Droplet Size from Agricultural Nozzles Using Laser Diffraction

    Published on: September 16, 2016

    18.8K

    Related Experiment Videos

    Last Updated: Apr 25, 2026

    Combining Volumetric Capnography And Barometric Plethysmography To Measure The Lung Structure-function Relationship
    08:25

    Combining Volumetric Capnography And Barometric Plethysmography To Measure The Lung Structure-function Relationship

    Published on: January 8, 2019

    8.9K
    Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems
    07:41

    Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

    Published on: July 30, 2019

    7.1K
    Measuring Spray Droplet Size from Agricultural Nozzles Using Laser Diffraction
    08:14

    Measuring Spray Droplet Size from Agricultural Nozzles Using Laser Diffraction

    Published on: September 16, 2016

    18.8K

    Area of Science:

    • Ergonomics and Human Factors
    • Anthropometry
    • Fire Science Engineering

    Background:

    • Current fire apparatus design specifications require updated anthropometric data for the U.S. firefighter population.
    • Existing data may not accurately reflect the physical characteristics of contemporary firefighters, impacting equipment fit and safety.

    Purpose of the Study:

    • To collect and report new anthropometric data for U.S. firefighters to inform fire apparatus design.
    • To present a data methodology for utilizing firefighter anthropometric data in research-to-practice applications.

    Main Methods:

    • A stratified sampling plan collected anthropometric data from 863 male and 88 female U.S. firefighters across different regions, ages, and ethnicities.
    • Seventy-one anthropometric dimensions were measured.
    • Statistical methods were used to compare different data transformations and assess compatibility.

    Main Results:

    • Male firefighters averaged 9.8 kg heavier and female firefighters 29 mm taller than the general U.S. population.
    • Firefighters exhibited larger upper-body dimensions compared to the general population.
    • Weighted, unweighted, and normality-transformed data showed compatibility with minor exceptions.

    Conclusions:

    • This study provides the first national U.S. firefighter anthropometric dataset applicable to fire apparatus design.
    • The data accurately represent current firefighter demographics and can be directly applied to design with minimal data adjustment.
    • Updated anthropometric data and the proposed method will enhance the design of future fire apparatus and protective gear.