[HTML][HTML] An analysis of functional shoulder movements during task performance using Dartfish movement analysis software
L Khadilkar, JC MacDermid, KE Sinden… - … journal of shoulder …, 2014 - ncbi.nlm.nih.gov
International journal of shoulder surgery, 2014•ncbi.nlm.nih.gov
Purpose: Video-based movement analysis software (Dartfish) has potential for clinical
applications for understanding shoulder motion if functional measures can be reliably
obtained. The primary purpose of this study was to describe the functional range of motion
(ROM) of the shoulder used to perform a subset of functional tasks. A second purpose was to
assess the reliability of functional ROM measurements obtained by different raters using
Dartfish software. Materials and Methods: Ten healthy participants, mean age 29±5 years …
applications for understanding shoulder motion if functional measures can be reliably
obtained. The primary purpose of this study was to describe the functional range of motion
(ROM) of the shoulder used to perform a subset of functional tasks. A second purpose was to
assess the reliability of functional ROM measurements obtained by different raters using
Dartfish software. Materials and Methods: Ten healthy participants, mean age 29±5 years …
Abstract
Purpose:
Video-based movement analysis software (Dartfish) has potential for clinical applications for understanding shoulder motion if functional measures can be reliably obtained. The primary purpose of this study was to describe the functional range of motion (ROM) of the shoulder used to perform a subset of functional tasks. A second purpose was to assess the reliability of functional ROM measurements obtained by different raters using Dartfish software.
Materials and Methods:
Ten healthy participants, mean age 29±5 years, were videotaped while performing five tasks selected from the Disabilities of the Arm, Shoulder and Hand (DASH). Video cameras and markers were used to obtain video images suitable for analysis in Dartfish software. Three repetitions of each task were performed. Shoulder movements from all three repetitions were analyzed using Dartfish software. The tracking tool of the Dartfish software was used to obtain shoulder joint angles and arcs of motion. Test-retest and inter-rater reliability of the measurements were evaluated using intraclass correlation coefficients (ICC).
Results:
Maximum (coronal plane) abduction (118±16) and (sagittal plane) flexion (111±15) was observed during ‘washing one's hair;’maximum extension (− 68±9) was identified during ‘washing one's own back.’Minimum shoulder ROM was observed during ‘opening a tight jar’(33±13 abduction and 13±19 flexion). Test-retest reliability (ICC= 0.45 to 0.94) suggests high inter-individual task variability, and inter-rater reliability (ICC= 0.68 to 1.00) showed moderate to excellent agreement.
Conclusion:
Key findings include: 1) functional shoulder ROM identified in this study compared to similar studies; 2) healthy individuals require less than full ROM when performing five common ADL tasks 3) high participant variability was observed during performance of the five ADL tasks; and 4) Dartfish software provides a clinically relevant tool to analyze shoulder function.
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