Locomotion Path Angle

Locomotion path angle is a geometric measure of an organism’s movement direction relative to a defined reference, such as an environmental axis, boundary, gradient, or compass bearing. It is determined from the movement vector between successive positions and compared with the selected reference vector, producing an angle that describes orientation and directional change. In environmental research, this measure helps quantify how animals navigate habitats, respond to physical features, or alter movement across contrasting conditions. Repeated path-angle measurements can reveal directional preferences, habitat avoidance, movement constraints, and behavioral responses, supporting studies of animal ecology, spatial behavior, and environmental change.

Locomotion Path Angle - Related Videos

Research

JoVE Journal - Neuroscience

Foraging Path-length Protocol for Drosophila melanogaster Larvae

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Cited by 18 •

2016

We provide a detailed protocol for a Drosophila melanogaster foraging path-length assay. We discuss the preparation and handling of test animals, how to perform the assay and analyze the data.

High-Resolution Video Tracking of Locomotion in Adult Drosophila Melanogaster

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Cited by 26 •

2009

The study of complex locomotor behavior in Drosophila melanogaster is dependent upon the ability to quantify changes in a given fly's movement. This article demonstrates how to do this using a high-resolution tracking system.

Education

JoVE Core - Physics

Mean free path and Mean free time

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2025

Consider the gas molecules in a cylinder. They move in a random motion as they collide with each other and change speed and direction. The average of all the path lengths between collisions is known as the "mean free path." The mean free path varies inversely with the density of the molecules because when there are more molecules inside a volume, they have a greater chance of colliding with each other, thus reducing the mean free path. Additionally, the mean free path is inversely related to...

Path Between Thermodynamics States

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2023

Consider the two thermodynamic processes involving an ideal gas that are represented by paths AC and ABC in Figure 1: In the first process for path A to C, the gas is kept at constant temperature T. It undergoes an expansion from volume V1 to V2. The work done by an ideal gas is expressed as Substituting for pressure as nRT/V from the ideal gas equation and integrating the terms, the work done by an ideal gas at constant temperature is obtained as In the second process, for path A to B, the...

Electrotaxis Assay: A Method to Observe Locomotion in C. elegans

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2023

Researchers can trigger on-demand movement in C. elegans by applying an electric field that worms sense and respond to. This video introduces electrotactic behavior and shows a sample protocol that is done in a microfluidic device.

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