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Related Concept Videos

Mesh Analysis with Current Sources01:10

Mesh Analysis with Current Sources

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Mesh analysis becomes simpler when analyzing circuits with current sources, whether independent or dependent. The presence of current sources reduces the number of equations required for analysis. Two cases illustrate this:
Current Source in One Mesh: The analysis process is straightforward when a current source is found in only one mesh within the circuit. Mesh currents are assigned as usual, with the mesh containing the current source excluded from the analysis. Kirchhoff's voltage law...
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Nodal Analysis with Voltage Sources01:11

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Nodal analysis is a remarkably effective method used in electrical engineering to simplify the analysis of complex circuits, including those with dependent or independent voltage sources. Its strength lies in its systematic approach to breaking down circuits into manageable components, making it easier for engineers to understand and solve.
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Sinusoidal Sources01:18

Sinusoidal Sources

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Direct current (DC) refers to an electric current that flows in a single direction, maintaining a constant polarity. This is in contrast to alternating current (AC), which periodically changes its direction and magnitude. AC forms the backbone of modern electricity transmission and distribution systems due to its efficient long-distance transmission capabilities.
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AC Sources01:20

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Direct current is a flow of electric charge in only one direction and has a steady state of constant voltage in the circuit. Rectifiers, batteries, commutator-equipped generators, and fuel cells are some examples of devices that generate direct current. Nowadays, most applications use a time-varying voltage source. Alternating current is a flow of electric charge that periodically reverses direction. An alternating current is produced by an alternating emf that is generated in a power plant. If...
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Sources of Law01:26

Sources of Law

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Laws form the essential rules set by governing authorities to shape and control societal behavior. In nursing, laws guide actions, safeguard patient rights, define nurses' scope of practice, and maintain professional standards. Understanding the legal framework governing nursing involves recognizing four primary sources of law: constitutional, statutory, administrative (regulatory), and common law.
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Source Transformation01:15

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Source transformation is a fundamental technique employed in circuit analysis, offering a valuable tool for simplifying complex electrical circuits. This technique involves the replacement of either a voltage source in series with a resistor by a current source in parallel with a resistor, or vice versa. The key concept here is that when the original sources are deactivated (turned off), the equivalent resistance at the circuit's end terminals remains the same.
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Related Experiment Video

Updated: Feb 8, 2026

3D Kinematic Gait Analysis for Preclinical Studies in Rodents
10:19

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The Open Source GAITOR Suite for Rodent Gait Analysis.

Brittany Y Jacobs1, Emily H Lakes1, Alex J Reiter2

  • 1University of Florida, J. Crayton Pruitt Family Department of Biomedical Engineering, Gainesville, 32611, USA.

Scientific Reports
|June 30, 2018
PubMed
Summary

The Gait Analysis Instrumentation and Technology Optimized for Rodents (GAITOR) Suite enhances preclinical gait analysis. This open-resource tool effectively detects unique gait changes in rodent models of diverse injuries and diseases.

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Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder
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Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder

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Area of Science:

  • Biomedical Engineering
  • Neuroscience
  • Orthopedics

Background:

  • Locomotive changes indicate disease or injury and can be assessed via gait analysis.
  • Preclinical gait analysis offers quantitative behavioral assessment with clinical relevance.
  • Existing small animal gait analysis technology faces limitations in accessibility and analytical effectiveness.

Purpose of the Study:

  • To introduce the Gait Analysis Instrumentation and Technology Optimized for Rodents (GAITOR) Suite.
  • To enhance the accessibility and customization of preclinical gait analysis for researchers.
  • To demonstrate the GAITOR Suite's utility across diverse rodent injury and disease models.

Main Methods:

  • The GAITOR Suite was applied to four distinct rodent models: joint pain (monoiodoacetate injection), sciatic nerve injury, elbow joint contracture, and spinal cord injury.
  • Hardware and software customization facilitated broad applications for gait analysis.
  • The system was provided as an open resource to the research community.

Main Results:

  • The GAITOR Suite successfully identified unique compensatory gait patterns specific to each of the four tested models.
  • The results demonstrate the software's capability in detecting gait alterations in rodent models with highly disparate pathologies.
  • The study validates the GAITOR Suite's effectiveness in quantitative behavioral assessment.

Conclusions:

  • The GAITOR Suite significantly improves the accessibility and application of gait analysis in preclinical rodent research.
  • Robust gait analysis using tools like GAITOR can enhance preclinical model selection, disease assessment, and therapeutic evaluation.
  • The open-resource nature of the GAITOR Suite aims to promote widespread adoption and advancement in the field.