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Run charts, essentially line graphs plotted over time, serve as fundamental yet effective tools for process analysis. They chronicle data sequentially, facilitating the identification of trends, shifts, or cyclical movements. This graphical representation is instrumental in determining whether a process is stable or exhibits signs of potential instability indicative of special cause variation. In the healthcare domain, run charts depict infection rates over time, enabling hospitals to monitor...
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Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
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A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
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Related Experiment Video

Updated: Aug 4, 2025

Using Gold-standard Gait Analysis Methods to Assess Experience Effects on Lower-limb Mechanics During Moderate High-heeled Jogging and Running
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PoseCoach: A Customizable Analysis and Visualization System for Video-Based Running Coaching.

Jingyuan Liu, Nazmus Saquib, Chen Zhutian

    IEEE Transactions on Visualization and Computer Graphics
    |April 4, 2023
    PubMed
    Summary
    This summary is machine-generated.

    PoseCoach offers customizable feedback for amateur runners by comparing novice and expert poses. It visualizes differences in 3D animations, improving sports posture analysis and coaching accessibility.

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    Area of Science:

    • Sports Science
    • Human-Computer Interaction
    • Biomechanics

    Background:

    • Video analysis is key for sports posture feedback but current systems lack scalability and clear visualization.
    • Existing methods struggle with new pose attributes and fixed video viewpoints, causing feedback ambiguity.

    Purpose of the Study:

    • To develop a customizable system for analyzing and visualizing human running poses.
    • To provide intuitive, part-based 3D animation feedback for amateur runners.

    Main Methods:

    • Designed and implemented PoseCoach, a system for customizable running pose analysis.
    • Utilized a customizable data analysis model and part-based 3D animations for feedback.
    • Conducted user studies and expert interviews for system evaluation.

    Main Results:

    • PoseCoach allows users to define custom pose attributes for personalized analysis.
    • 3D animations effectively visualize pose differences, overcoming viewpoint limitations.
    • User studies and expert feedback validated the system's design and usefulness.

    Conclusions:

    • Customizable data analysis and 3D visualization enhance sports posture feedback systems.
    • PoseCoach provides an accessible and intuitive tool for amateur runners to improve their form.
    • The system addresses limitations of traditional video-based coaching methods.