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

Uncertainty in Measurement: Reading Instruments02:46

Uncertainty in Measurement: Reading Instruments

Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...
Instrument Calibration01:12

Instrument Calibration

Instrument calibration is essential for ensuring that instruments produce accurate and consistent results. It is vital in manufacturing, healthcare, testing laboratories, and scientific research. Calibration processes are specific to each instrument and help enhance data accuracy. Each instrument has a unique calibration process tailored to its design and function to improve data accuracy.
Analytical Balance Calibration
An analytical balance measures mass and requires regular calibration to...
Glassware Calibration01:11

Glassware Calibration

Accurate calibration of glassware, such as volumetric flasks, pipettes, and burettes, is essential to ensure accurate measurements in the analytical laboratory. Calibration helps maintain consistency across measurements and prevents errors arising from inaccurate volumes.
Volumetric flasks: Volumetric flasks are designed to prepare aqueous solutions of precise volumes accurately with a calibration line on the neck. To calibrate a volumetric flask, it is important to fill it with distilled...
Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
Distance Corrections01:15

Distance Corrections

To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...

You might also read

Related Articles

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

Sort by
Same author

High-intensity interval training improves myocardial work and cardiac function in women with obesity: a randomized controlled study.

International journal of obesity (2005)·2026
Same author

Positive changes in 24-hour movement behaviors and blood pressure in socioeconomically vulnerable schoolchildren after a 16-week health promotion intervention.

Scientific reports·2026
Same author

Health-related quality of life in young pediatric cancer survivors: The role of sarcopenia.

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer·2026
Same author

Mapping the physical condition, peer and parental support, and MVPA: a network analysis in schoolchildren from the ACTIBESE project.

BMC pediatrics·2026
Same author

The mediating role of physical fitness in the relationship between 24-h movement guidelines and arithmetic fluency in adolescents: the MOVESCHOOL study.

Scientific reports·2026
Same author

Clustering of Aggressive Behaviors and Physical Activity Among Brazilian Adolescents.

Trends in psychiatry and psychotherapy·2026

Related Experiment Video

Updated: May 23, 2026

Evaluating the Function of the Foot Core System in the Elderly
08:25

Evaluating the Function of the Foot Core System in the Elderly

Published on: March 11, 2022

A digital calliper for training and study purposes.

Maria T Restivo1, Teresa F Amaral, Maria F Chouzal

  • 1Faculty of Engineering, University of Porto, Porto, Portugal. trestivo@fe.up.pt

Asia Pacific Journal of Clinical Nutrition
|April 18, 2012
PubMed
Summary
This summary is machine-generated.

LipoTool offers a cost-effective, accurate method for measuring body fat percentage using a digital skinfold caliper. This validated system simplifies body composition analysis for daily practice.

More Related Videos

Direct Linear Transformation for the Measurement of In-Situ Peripheral Nerve Strain During Stretching
06:26

Direct Linear Transformation for the Measurement of In-Situ Peripheral Nerve Strain During Stretching

Published on: January 12, 2024

Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor
09:35

Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor

Published on: June 16, 2021

Related Experiment Videos

Last Updated: May 23, 2026

Evaluating the Function of the Foot Core System in the Elderly
08:25

Evaluating the Function of the Foot Core System in the Elderly

Published on: March 11, 2022

Direct Linear Transformation for the Measurement of In-Situ Peripheral Nerve Strain During Stretching
06:26

Direct Linear Transformation for the Measurement of In-Situ Peripheral Nerve Strain During Stretching

Published on: January 12, 2024

Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor
09:35

Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor

Published on: June 16, 2021

Area of Science:

  • Biomedical Engineering
  • Sports Science
  • Human Physiology

Background:

  • Traditional skinfold calipers have limitations in accuracy and data management.
  • Existing methods for body fat evaluation can be time-consuming and resource-intensive.

Purpose of the Study:

  • To develop and validate LipoTool, an improved digital skinfold caliper system with integrated software.
  • To enhance the accuracy, reliability, and usability of body fat percentage measurement.

Main Methods:

  • Initial validation of LipoTool against Harpenden calipers in 49 older adults.
  • Further development included wireless communication and software enhancements.
  • Final validation against Dual-Energy X-Ray Absorptiometry (DXA) in 40 adults.

Main Results:

  • Strong positive association between LipoTool and Harpenden caliper measurements for body fat percentage.
  • Successful validation against the gold standard DXA system.
  • Demonstrated improved accuracy, reliability, and efficiency in body fat assessment.

Conclusions:

  • LipoTool is a valid and reliable alternative to traditional methods for body fat evaluation.
  • The system simplifies body composition analysis, saving time and resources.
  • Its user-friendly design makes it a valuable training tool for non-invasive body fat assessment.