- Title
- Hand-held dynamometry strength measures for internal and external rotation demonstrate superior reliability, lower minimal detectable change and higher correlation to isokinetic dynamometry than externally-fixed dynamometry of the shoulder
- Creator
- Holt, Kylie; Raper, Damian; Boettcher, Craig; Waddington, Gordon; Drew, Michael
- Date
- 2016
- Type
- Text; Journal article
- Identifier
- http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/154559
- Identifier
- vital:11130
- Identifier
-
https://doi.org/10.1016/j.ptsp.2016.07.001
- Identifier
- ISSN:1466-853X
- Abstract
- Objectives: To investigate inter and intra-rater reliability of hand held (HHD) and externally fixed (EFD) dynamometry for shoulder internal (IR) and external rotation (ER) strength and their correlation to isokinetic testing. Design: Within participant, inter and intra-rater reliability study. Participants: Twenty active, healthy male and female participants underwent testing by two examiners. Outcome measures: Intra-class coefficients (ICC), percentage standard error of measurement (%SEM), and percentage minimal detectable change (%MDC) were calculated for inter-rater, intra-day and intra-rater, inter-week reliability. Maximum and average of three repetitions were compared to the isokinetic results at three speeds (60 degrees/sec, 180 degrees/sec, 240 degrees/sec) for both concentric and eccentric contractions. Results: Inter and intra-tester values demonstrated good to high agreement (HHD, ICC range = 0.89 -0.97, %SEM = 4.80-8.60%, %MDC = 13.29-23.70%; EFD, ICC = 0.88-0.96, %SEM = 6.60-11.00%, % MDC = 18.40-30.04%). HHD and EFD showed moderate to very strong correlations to the isokinetic testing (HHD, r = 0.45-0.86; EFD, r = 0.49-0.83). Conclusions: The results of this study indicate that both EFD and HI-ID are suitable for clinical practice and research. Hand-held dynamometry is preferred due to its higher intra- and inter-rater reliability and smaller MDC and lower SEM. (C) 2016 Elsevier Ltd. All rights reserved.
- Publisher
- Elsevier Ltd
- Relation
- Physical Therapy in Sport Vol. 21, no. (2016), p. 75-81
- Rights
- Copyright © 2016 Elsevier Ltd
- Rights
- This metadata is freely available under a CCO license
- Subject
- 1106 Human Movement and Sports Science; 1103 Clinical Sciences; Dynamometry; Reliability; Rotator cuff; Shoulder strength
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