Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Tissue Engineering Strategies for Annulus Fibrosus Repair: A Scoping Review of Repair Methods, Animal Models, and Evaluation Techniques.

Progress in biomedical engineering (Bristol, England)·2026
Same author

A scoping review of computational models of the diabetic foot.

PloS one·2026
Same author

Association between progression of knee osteoarthritis pathology and gait changes over two years: Data from the IMI-APPROACH cohort.

Osteoarthritis imaging·2026
Same author

Tissue scaffold architecture affects implant degradation and bone tissue regeneration: A novel in silico mechanobiological model analysing cell behavior, mechanical stress and degradation kinematics.

PloS one·2026
Same author

An osteoporotic bone model: developing and validating an ex-vivo bone demineralization protocol.

JBMR plus·2026
Same author

Proposed standards for prosthetic foot reuse and considerations for donation of used prosthetic feet to low-and middle-income countries.

PLOS global public health·2026
Same journal

Examination of participant sex bias in international society of biomechanics conference abstract submissions: patterns across cohorts, countries, and contexts.

Journal of biomechanics·2026
Same journal

Shear wave velocity of biceps femoris and medial gastrocnemius in different positions and intensities: a cross-sectional study in healthy young males.

Journal of biomechanics·2026
Same journal

Gait event detection using hybrid EMG/IMU systems: effect of SENIAM-constrained sensor placement on lower limb segments.

Journal of biomechanics·2026
Same journal

Relationship between knee adduction moment and knee contact forces during walking and running with modified foot progression angles.

Journal of biomechanics·2026
Same journal

Scaling contact force parameters across body size, limb count, and number of contact spheres.

Journal of biomechanics·2026
Same journal

The extrapolated body center of mass predicts subsequent foot placement choice during dynamic single-leg landings.

Journal of biomechanics·2026
See all related articles

Related Experiment Video

Updated: Jun 20, 2026

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
06:52

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

Inertial sensor-based knee flexion/extension angle estimation.

Glen Cooper1, Ian Sheret, Louise McMillan

  • 1Centre for Rehabilitation and Human Performance Research, University of Salford, UK.

Journal of Biomechanics
|September 29, 2009
PubMed
Summary
This summary is machine-generated.

This study presents a new method using inertial measurement units (IMUs) to accurately estimate knee joint angles during walking and running. The approach is insensitive to magnetic field distortions, offering a reliable tool for biomechanical analysis.

More Related Videos

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty
07:33

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty

Published on: May 5, 2023

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis
08:08

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis

Published on: May 8, 2014

Related Experiment Videos

Last Updated: Jun 20, 2026

An Inertial Measurement Unit Based Method to Estimate Hip and Knee Joint Kinematics in Team Sport Athletes on the Field
06:52

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

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty
07:33

In Vitro Application of a Wireless Sensor in Flexion-Extension Gap Balance of Unicompartmental Knee Arthroplasty

Published on: May 5, 2023

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis
08:08

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis

Published on: May 8, 2014

Area of Science:

  • Biomechanics
  • Wearable Technology
  • Human Movement Analysis

Background:

  • Accurate estimation of joint angles is crucial for biomechanical analysis and clinical assessment.
  • Existing methods often rely on magnetic sensors, which are susceptible to environmental interference.
  • There is a need for robust and reliable methods to measure knee joint kinematics in real-world settings.

Purpose of the Study:

  • To develop and validate a novel method for estimating knee joint flexion/extension angles using inertial measurement units (IMUs).
  • To assess the accuracy and reliability of the proposed method during dynamic activities like walking and running.
  • To provide a magnetic-field-independent solution for knee kinematics measurement.

Main Methods:

  • Utilized a combination of Kalman filters and biomechanical constraints derived from anatomical knowledge.
  • Employed two IMUs placed on adjacent body segments to capture acceleration and angular velocity data.
  • Validated the method against a 10-camera motion tracking system (Qualysis) in seven healthy subjects during walking and running at speeds from 1 to 5 mph over 5-minute periods.

Main Results:

  • The developed method demonstrated high accuracy, with average measurement errors ranging from 0.7 degrees during slow walking (1 mph) to 3.4 degrees during running (5 mph).
  • The algorithm performed reliably during extended 5-minute trials of both walking and running.
  • The approach proved insensitive to magnetic field distortions, a common issue with other IMU-based systems.

Conclusions:

  • The proposed IMU-based method offers a valid and reliable approach for estimating knee joint angles during dynamic activities.
  • Its insensitivity to magnetic interference makes it suitable for use in diverse environments, including indoor settings.
  • This method has potential clinical applications in gait analysis, rehabilitation, and sports performance monitoring.