There are different types of goniometers, each of which has some benefit, but varies in accessibility, cost, and user-friendliness. Goniometry has been demonstrated to be of value, being both reliable and valid, in humans and other animal species. Goniometry, the measurement of joint angles, traditionally performed with a universal goniometer (UG), is a commonly utilized assessment tool in monitoring problems of the musculoskeletal system, as well as the progression of rehabilitation interventions. Digital measurements were repeated one month later by the first assessor (intra-tester reliability) and another independent assessor (inter-tester reliability).Results: Validity: the digital technique was found to have a high level of agreement with the universal goniometer measurements (all MAD sion with almost perfect Intra-Class Correlations (Intra-tester flexion 0.99, extension 0.96 inter-tester flexion 0.97, extension 0.93).Conclusion: Measurement of knee range of motion from digital photographs can be used in routine clinical total knee arthroplasty follow-up instead of, or interchangeably with the universal goniometer.With the growth of the field of equine rehabilitation, there is an increased demand on rehabilitation clinicians to utilize simple and reliable objective outcome assessment tools. This study evaluated the validity and reliability of a simple photographic measurement technique to measure knee flexion and extension of patients following knee arthroplasty.Methods: Knee flexion and extension of 38 subjects who had undergone total knee arthroplasty were assessed at the one year post-operative review with the digital technique and a universal goniometer as the criterion reference. This ability to store images with measurements could be particularly useful in research involving knee range of motion.
Measurement from digital photographs could provide a superior clinical alternative to the common goniometer as devices for capturing digital photographs are becoming more accessible, measurement accuracy is assisted with the associated software and images can be saved and stored for later reference.
Knee Range of Motion Arthroplasty Digital Photographic GoniometryĪBSTRACT: Background: Knee range of motion is an essential outcome measure following total knee arthroplasty and it is important to measure this outcome with a simple and accurate tool. 192-195.Ī Digital Photographic Technique for Knee Range of Motion Measurement: Performance in a Total Knee Arthroplasty Clinical PopulationĪUTHORS: Michael Murphy, Julie Hides, Trevor Russell Norton, “Reliability and Validity of Goniometric Measurements at the Knee,” Physical Therapy, Vol.
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