Search research articles

Search research articles

Related Experiment Videos

The relationship between mechanical and physiological energy estimates.

Medicine and Science in Sports and Exercise

|June 1, 1985

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

Teaching Hardy-Weinberg Equilibrium using Population-Level Punnett Squares: Facilitating Calculation for Students with Math Anxiety.

CBE life sciences education·2021

Same author

Female In-Class Participation and Performance Increase with More Female Peers and/or a Female Instructor in Life Sciences Courses.

CBE life sciences education·2020

Same author

Determination of antimony and barium in UK air quality samples as indicators of non-exhaust traffic emissions.

Environmental monitoring and assessment·2019

Same author

Determination of molecular masses of proteins in solution: Implementation of an HPLC size exclusion chromatography and laser light scattering service in a core laboratory.

Journal of biomolecular techniques : JBT·2009

Same author

Neural transplantation of human MSC and NT2 cells in the twitcher mouse model.

Cytotherapy·2006

Same author

A numerical approach to resonance frequency analysis for the investigation of oral implant osseointegration.

Journal of oral rehabilitation·2006

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Understanding biomechanical factors is key to accurately measuring mechanical power and metabolic energy cost during activities like running. Different computational methods yield varied results due to assumptions about energy transfer and muscle contractions.

Area of Science:

Biomechanics
Exercise Physiology
Sports Science

Background:

Physiological energy expenditure in activities like running, walking, and cycling is influenced by biomechanical factors.
Accurate measurement of mechanical power, related to metabolic energy cost, requires identifying the sources of changes in mechanical energy.
Factors like muscle contractions, energy transfer, and joint limitations affect mechanical energy but have varying metabolic costs.

Purpose of the Study:

To evaluate changes in mechanical energy to derive mechanical power.
To understand the relationship between mechanical power and metabolic energy cost.
To identify the sources of mechanical energy changes and their metabolic implications.

Main Methods:

Review of computational methods for calculating mechanical power.

Related Experiment Videos

Analysis of assumptions within different computational models.

Comparison of varying results obtained for mechanical power.

Main Results:

Multiple computational methods exist for calculating mechanical power, each with different assumptions.
Varying results for mechanical power have been reported due to differing methodological assumptions.
The specific metabolic energy expenditure associated with factors like concentric/eccentric contractions and elastic energy storage is not definitively established.

Conclusions:

The lack of definitive information on the mechanical-physiological energy relationship limits the accuracy and usefulness of mechanical power and muscular efficiency measures.
Further research is needed to refine computational methods and better understand the metabolic costs associated with biomechanical factors.
Improved understanding will enhance the meaningfulness and application of mechanical power analysis in exercise and sports.