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Can the Internet be used as a medium to evaluate knee angle?
T G Russell1, G A Jull, R Wootton
1Department of physiotherapy, The University of Queensland, Australia. t.russell@shrs.uq.edu.au
Manual Therapy
|October 16, 2003
Summary
Internet-based physiotherapy is feasible. This study found that assessing knee range of motion via the Internet is reliable and valid, supporting future telemedicine applications in physical therapy.
Area of Science:
- Medical Technology
- Rehabilitation Medicine
- Digital Health
Background:
- Telemedicine offers solutions for healthcare access in rural and remote areas.
- Accurate remote physical impairment assessment is crucial for internet-based physiotherapy.
- Evaluating joint range of motion online is a key component of remote physical assessment.
Purpose of the Study:
- To assess the reliability and validity of measuring knee range of motion using the internet.
- To determine if internet-based assessment is comparable to traditional face-to-face methods.
- To support the development of internet-based physiotherapy services.
Main Methods:
- A single subject's knee angle was measured by two therapists using both internet and traditional methods.
- Nine random knee positions were assessed, with multiple measurements per position (n=540).
- An internet connection speed of 17 kbit/s was utilized for the online assessments.
Main Results:
- The internet-based goniometer demonstrated validity in measuring knee flexion and extension angles.
- High intra-rater and inter-rater reliability were observed for the internet-based measurements.
- Consistency between internet and traditional assessment modes was confirmed through difference average plots.
Conclusions:
- Internet-based assessment of knee range of motion is a valid and reliable method.
- This technology supports the advancement of internet-based physiotherapy.
- Telemedicine can effectively facilitate remote physical therapy evaluations.