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Updated: Jun 20, 2026

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field

Published on: May 26, 2020

A Novel Approach to Assessing Ice Skating Sprint Performance Using Wearable Sensors.

Aminreza Khandan¹, Ramin Fathian¹, Loren Zf Chiu²

¹Department of Mechanical Engineering, Donadeo Innovation Centre for Engineering, University of Alberta, 10-368, 9211116 Street NW, Edmonton, AB, T6G 1H9, Canada.

Annals of Biomedical Engineering

|June 18, 2026

Summary

This summary is machine-generated.

New Inertial Measurement Unit (IMU) metrics accurately differentiate ice skating skill levels and styles. These novel biomechanical insights offer a more comprehensive assessment than traditional methods.

Keywords:

Biomedical signal processing Ice skating sprint test Inertial measurement unit Kinematic metrics Performance assessment

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Area of Science:

Sports Science
Biomechanics
Signal Processing

Background:

Traditional ice skating performance metrics often lack detailed biomechanical insights.
Inertial Measurement Units (IMUs) offer a potential solution for capturing complex movement data.

Purpose of the Study:

To develop novel ice skating performance metrics using IMUs.
To determine if these metrics can differentiate skaters by caliber and discipline.
To explore the relationship between on-ice IMU metrics and off-ice performance.

Main Methods:

Nineteen skaters (high/low caliber, hockey/figure) performed maximal sprints with six IMUs.
Calculated traditional metrics (stride length, velocity, time).
Derived novel metrics: skating complexity (multiscale entropy), inter-limb coordination (continuous relative phase), and joint kinematics. Assessed correlation with countermovement jump (CMJ) height.

Main Results:

IMU metrics significantly differentiated skaters by caliber (velocity, length) and type (velocity).
Figure skaters showed less complex hip kinematics and greater inter-limb coordination than hockey skaters.
Few IMU metrics moderately correlated with CMJ height; most showed weak associations.

Conclusions:

IMU-derived metrics provide quantitative characterization and extended biomechanical insights into ice skating.
These novel metrics can enhance traditional performance assessments.
The findings suggest a framework for developing more effective off-ice tests informed by on-ice biomechanics.