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Related Experiment Video

Updated: May 9, 2026

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

Flexible goniometer computer system for the assessment of hip function.

P J Rowe¹, A C Nicol, I G Kelly

¹>Bioengineering Unit, University of Strathclyde, Glasgow, Scotland.

Clinical Biomechanics (Bristol, Avon)

|August 7, 2013

Summary

A new computer system objectively measures hip and knee function after total hip replacement. While patients show initial improvements, long-term functional performance remains limited compared to healthy individuals.

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Area of Science:

Biomedical Engineering
Orthopedics
Rehabilitation Medicine

Background:

Assessing functional recovery after total hip replacement (THR) is crucial for patient outcomes.
Traditional clinical assessments can be subjective and lack detailed kinematic data.
Objective, quantitative gait analysis is needed to monitor THR rehabilitation.

Purpose of the Study:

To introduce a novel computer-based system for objective functional assessment in THR patients.
To evaluate the system's ability to capture hip and knee motion, gait parameters, and functional performance.
To compare post-operative functional recovery with pre-operative status and healthy controls.

Main Methods:

Development of a computer system integrating flexible electrogoniometers for hip and knee motion.

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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

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Last Updated: May 9, 2026

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

In Vivo Quantification of Hip Arthrokinematics during Dynamic Weight-bearing Activities using Dual Fluoroscopy

Published on: July 2, 2021

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

Inclusion of foot switches and instrumented walking aids for comprehensive gait data.

Utilized fixed timing for deriving walking velocity, stride length, and cadence, with immediate data visualization.

Main Results:

The system successfully recorded kinematic data and gait parameters in 65 THR patients.
Significant improvements in range of motion, gait velocity, and cadence were observed post-surgery.
At 12 months post-operatively, functional performance remained restricted compared to normal subjects.

Conclusions:

The developed computer-based system provides objective and immediate functional assessment for THR patients.
The system aids in identifying gait abnormalities and monitoring rehabilitation progress.
Long-term functional deficits persist post-THR, highlighting areas for further therapeutic intervention.