A Comparison of Elbow Range of Motion Measurements: Smartphone-Based Digital Photography Versus Goniometric Measurements

The Journal of Hand Surgery
Megan A MeislinAlexander Y Shin

Abstract

The purpose of this study was to validate elbow flexion and extension measured from smartphone photography obtained by participants and compared them with photographs obtained by surgeons and goniometric measurements. We enrolled 32 participants with a total of 64 elbows, aged 25 to 68 years. Participants obtained smartphone photographs of full elbow flexion and extension. Then surgeons obtained the same photographs and goniometric measurement of elbow range of motion (ROM). We measured ROM from the photographs using Adobe Photoshop and calculated average ROM. Comparisons of manual goniometer versus digital measurements, participant versus surgeon photograph measurements, and interobserver measurements were statistically analyzed. Average ROM measured by manual goniometer and digital photographs was 0° to 129° (range, 0° to 140°) and 0° to 129° (range, 0° to 145°), respectively. The goniometer versus digital measurements interclass correlation was 0.828 (L) and 0.740 (R). Pearson coefficient was 0.845 (L) and 0.757 (R). Bland-Altman plots demonstrated that 30 of 32 digital measurements (L) and 31 of 32 measurements (R) were within the 95% confidence interval. Participant-obtained photographs compared with researcher's photograp...Continue Reading

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References

Mar 1, 1974·The Journal of Bone and Joint Surgery. American Volume·J C FlynnR L Benoit
Jan 12, 1999·Journal of Shoulder and Elbow Surgery·A D ArmstrongG J King
Aug 12, 2004·Rheumatology·P SathyamoorthyS P Frostick
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Oct 11, 2011·Journal of Shoulder and Elbow Surgery·Davide BlonnaShawn W O'Driscoll

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Citations

Apr 11, 2017·Hand : Official Journal of the American Association for Hand Surgery·Clifton G MealsKenneth R Means
Oct 21, 2017·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Frédéric VauclairDominique M Rouleau
Sep 6, 2017·The Journal of Hand Surgery, European Volume·Eric R WagnerAlexander Y Shin
Apr 25, 2020·Journal of Plastic Surgery and Hand Surgery·Keisuke MiyakeKoji Sayama
Apr 10, 2019·Journal of the American Podiatric Medical Association·Motaz Abdalla AlawnaErtugrul O Yuksel
Jan 29, 2019·Hand : Official Journal of the American Association for Hand Surgery·John Z ZhaoBrandon E Earp
Sep 2, 2020·Journal of Shoulder and Elbow Surgery·Kendall E BradleyJocelyn R Wittstein
May 2, 2021·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·M Marti-PuenteF C Iwuagwu
Jul 26, 2021·The Journal of Hand Surgery·Laura A SimsKenneth J Faber
Jul 31, 2021·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Christina M BeckMichael R Hausman

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