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

Qualitative Analysis03:46

Qualitative Analysis

23.8K
For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
23.8K
Dimensional Analysis03:40

Dimensional Analysis

60.6K
Dimensional analysis, also known as the factor label method, is a versatile approach for mathematical operations. The main principle behind this approach is: the units of quantities must be subjected to the same mathematical operations as their associated numbers. This method can be applied to computations ranging from simple unit conversions to more complex and multi-step calculations involving several different quantities and their units.
Conversion Factors and Dimensional Analysis
The unit...
60.6K
Dimensional Analysis01:27

Dimensional Analysis

654
Dimensional analysis is a valuable technique in fluid mechanics for simplifying complex problems by reducing them into dimensionless groups. These groups capture the essential relationships between the variables involved, allowing researchers and engineers to analyze fluid flow without dealing with each variable individually. This approach reduces the number of independent variables, allowing for easier analysis and better understanding of physical phenomena.
In fluid mechanics, dimensional...
654
Pedigree Analysis01:35

Pedigree Analysis

89.0K
Overview
89.0K
Nodal Analysis01:10

Nodal Analysis

1.8K
Nodal analysis is a fundamental method in electrical engineering used to simplify the process of circuit analysis. This method revolves around the concept of using node voltages as the primary variables for circuit analysis. The objective is to determine the voltage at each node in a circuit, which can then be used to find other quantities of interest, such as currents through specific components.
Consider, for instance, a simple circuit composed of three nodes and three resistors, as shown in...
1.8K
Mesh Analysis01:20

Mesh Analysis

1.5K
Mesh analysis is a valuable method for simplifying circuit analysis using mesh currents as key circuit variables. Unlike nodal analysis, which focuses on determining unknown voltages, mesh analysis applies Kirchhoff's voltage law (KVL) to find unknown currents within a circuit. This method is particularly convenient in reducing the number of simultaneous equations that need to be solved.
A fundamental concept in mesh analysis is the definition of meshes and mesh currents. A mesh is a closed...
1.5K

You might also read

Related Articles

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

Sort by
Same author

Sex-related isokinetic profile of shoulder strength of a Brazilian amateur wheelchair basketball team.

Journal of bodywork and movement therapies·2026
Same author

Cardiovascular response of children to 1 hour of microgravity simulation-a pioneering study.

NPJ microgravity·2026
Same author

Elbow flexion enables rescuers with low BMI to deliver chest compressions in compliance with CPR guideline recommendations.

Scientific reports·2026
Same author

Space Oncology: A Comprehensive Scoping Review.

Wilderness & environmental medicine·2025
Same author

Leveraging space innovations for cancer breakthroughs on Earth.

Trends in cancer·2025
Same author

Hepatic antifibrotic effects of bezafibrate in vitro and in vivo models of liver fibrosis.

Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association·2025
Same journal

A Life in Service of Neuroscience, Healing, and Teaching.

Neurology India·2026
Same journal

IN MEMORIAM.

Neurology India·2026
Same journal

Extensive Diffusion Restriction of White Matter, Midbrain, and Basal ganglia in a Neonate with Refractory Hypoglycemic Seizures.

Neurology India·2026
Same journal

CHD2-Related Developmental Epileptic Encephalopathy and Angelman Syndrome in a Girl: A Double Jeopardy.

Neurology India·2026
Same journal

Cerebral Schistosomiasis Mimicking Multiple Intracranial Metastases.

Neurology India·2026
Same journal

Extrusion of Spinal Implants Through the Overlying Skin: A Rare Epiphenomenon of Metal Allergy.

Neurology India·2026
See all related articles

Related Experiment Video

Updated: Jan 24, 2026

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior
06:38

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

5.2K

Mars walking simulation: An electromyographic analysis.

Benjamin T Hammond1, Denizar Alberto da Silva Melo2, Rafael Pires de Farias2

  • 1Centre for Human and Applied Physiological Sciences, School of Basic and Medical Biosciences, Faculty of Life Sciences and Medicine, King's College, London, UK.

Neurology India
|May 29, 2019
PubMed
Summary
This summary is machine-generated.

Simulated Mars gravity (0.38 G) did not significantly alter locomotor muscle activity during walking compared to Earth gravity (1 G). However, heart rate was lower in simulated Mars gravity, suggesting potential implications for muscle retention during long-duration missions.

Keywords:
ElectromyographyMarshypogravitylower body positive pressurewalking

More Related Videos

Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat
03:13

Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat

Published on: December 10, 2008

13.4K
Walk with Me Hybrid Virtual/In-Person Walking for Older Adults with Neurodegenerative Disease
07:21

Walk with Me Hybrid Virtual/In-Person Walking for Older Adults with Neurodegenerative Disease

Published on: June 16, 2023

1.4K

Related Experiment Videos

Last Updated: Jan 24, 2026

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior
06:38

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

5.2K
Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat
03:13

Use of Rotorod as a Method for the Qualitative Analysis of Walking in Rat

Published on: December 10, 2008

13.4K
Walk with Me Hybrid Virtual/In-Person Walking for Older Adults with Neurodegenerative Disease
07:21

Walk with Me Hybrid Virtual/In-Person Walking for Older Adults with Neurodegenerative Disease

Published on: June 16, 2023

1.4K

Area of Science:

  • Space exploration
  • Human physiology
  • Musculoskeletal system adaptation

Background:

  • Long-duration Mars missions necessitate understanding the effects of Martian gravity on the human musculoskeletal system.
  • Developing countermeasures is crucial to mitigate health effects and maladaptation during space travel.
  • Investigating the influence of reduced gravity on locomotion is essential for astronaut health.

Purpose of the Study:

  • To assess the impact of simulated Mars gravity (0.38 G) on the electromyographic activity of four key locomotor muscles during walking.
  • To compare muscle activity and heart rate responses between simulated Mars gravity and 1 G conditions.
  • To evaluate the potential musculoskeletal implications of the Martian environment for future astronauts.

Main Methods:

  • Fourteen male subjects walked in simulated Mars gravity (0.38 G) and Earth gravity (1 G) using a lower body positive pressure (LBPP) device.
  • Muscle activity of the tibialis anterior, vastus lateralis, gluteus maximus, and gastrocnemius was measured using electromyography.
  • Heart rate was recorded, and statistical analysis was performed using paired t-tests (P < 0.05).

Main Results:

  • No significant differences in the electromyographic activity of the four locomotor muscles were observed between 0.38 G and 1 G conditions.
  • A statistically significant decrease in mean heart rate was found during simulated Mars gravity walking (98.15 ± 10.44 bpm) compared to Earth gravity (105.15 ± 8.1 bpm).

Conclusions:

  • The simulated Mars gravity environment, at 0.38 G, may not directly cause deteriorative effects on locomotor muscle activity during walking.
  • Lower heart rate in simulated Mars gravity warrants further investigation regarding its long-term impact on cardiovascular adaptation.
  • Future research on stride and activation frequencies in reduced gravity is critical for planning effective muscle retention and reconditioning strategies for Mars missions.