Kinematic Analysis
Kinematic Analysis - Related Videos
11:41
Kinematics and Projectile Motion
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2023
Source: Ketron Mitchell-Wynne, PhD, Asantha Cooray, PhD, Department of Physics & Astronomy, School of Physical Sciences, University of California, Irvine, CA This experiment demonstrates the kinematics of motion in 1 and 2 dimensions. This lab will begin by studying motion in 1 dimension, under constant acceleration, by launching a projectile directly upward and measuring the maximum height reached. This lab will verify that the maximum height reached is consistent with the kinematic...
13:02
Sagittal Plane Kinematic Gait Analysis in C57BL/6 Mice Subjected to MOG35-55 Induced Experimental Autoimmune Encephalomyelitis
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Cited by 7 •
2017
Kinematic gait analysis in the sagittal plane yields highly precise information about how movement is executed. We describe the application of these techniques to identify gait deficits for mice subjected to autoimmune-mediated demyelination. These methods may also be used to characterize gait deficits for other mouse models featuring impaired locomotion.
10:19
3D Kinematic Gait Analysis for Preclinical Studies in Rodents
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Cited by 5 •
2019
Presented here is a protocol to collect and analyze three-dimensional kinematics of quadrupedal locomotion in rodents for preclinical studies.
01:26
Kinematic Equations - I
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2023
When an object moves with constant acceleration, the velocity of the object changes at a constant rate throughout the motion. The kinematic equations of motions are derived for such cases where the acceleration of the object is constant. The first kinematic equation gives an insight into the relationship between velocity, acceleration, and time. We can see, for example: Final velocity depends on how large the acceleration is and how long it lasts If the acceleration is zero, then the final...
07:28
Web-based Clinician Guide to Record Compatible Video of Standardized Drinking Task Kinematics for Computer Vision Analysis
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2025
Kinematic metrics of the drinking task have been recommended for use in upper limb stroke rehabilitation, but conventional approaches to kinematic studies are considered impractical. The current protocol describes a web-based guide to capture videos of the drinking task, which are compatible with computer vision to extract recommended kinematic metrics.
FAQs
Position provides the reference trajectory, while velocity and acceleration describe how quickly motion changes and how rapidly that speed changes. Researchers can also derive joint angles, timing, and range of motion from recorded movement. Examining these variables together gives a more detailed account of coordination than any single measure and helps identify which features of behavior differ across conditions.
Kinematic analysis deliberately separates motion description from the forces that produce it. A trajectory can show where and when a movement occurred, but it does not directly reveal the muscular or external forces responsible. This distinction matters in neuroscience because researchers can quantify behavioral consequences of altered brain function without treating kinematic measurements as direct force measurements.
Movement smoothness is useful because coordination is not captured only by the beginning and end of an action. Changes in the continuity of a trajectory can reveal altered control even when researchers also examine timing, joint angles, or range of motion. Including smoothness among the measured outcomes broadens assessment of motor behavior in neurological research.
Comparing trajectories across learning, neural injury, disease, or stimulation can show how each condition changes motor behavior. The relevant outcome may be a shift in timing, a smaller range of motion, altered joint configuration, or reduced smoothness. Interpreting several measures together helps connect observable movement changes with questions about motor planning and execution.
A study may collect motion data with motion capture, video tracking, or wearable sensors, depending on the movement and experimental design. The recorded trajectories are then used to calculate variables such as joint angles, timing, velocity, acceleration, range of motion, and smoothness. This measurement chain converts observable behavior into quantitative outcomes for comparison.
An effective analysis begins by recording the movement trajectory, followed by calculating selected kinematic variables and examining how they differ across experimental conditions. Researchers should choose measures that match the motor question, such as timing for execution, joint angles for coordination, or smoothness for movement quality. The resulting profile supports objective behavioral assessment.
In neuroscience, these measurements support studies of motor planning and execution, behavioral assessment, rehabilitation, and objective biomarker development for neurological disorders. They can also evaluate changes associated with learning or stimulation. Because the method quantifies movement outcomes, it offers a behavioral link between neural processes or interventions and the coordination displayed by the body.