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Measuring eccentric strength of the shoulder external rotators using a handheld dynamometer : reliability and validity

Fredrik Johansson UGent, Eva Skillgate, Mattis Lapauw, Dorien Clijmans, Valentijn Deneulin, Tanneke Palmans UGent and Ann Cools UGent (2015) JOURNAL OF ATHLETIC TRAINING. 50(7). p.719-725
abstract
Context: Shoulder strength assessment plays an important role in the clinical examination of the shoulder region. Eccentric strength measurements are of special importance in guiding the clinician in injury prevention or return-to-play decisions after injury. Objective: To examine the absolute and relative reliability and validity of a standardized eccentric strength-measurement protocol for the glenohumeral external rotators. Design: Descriptive laboratory study. Setting: Testing environment at the Department of Rehabilitation Sciences and Physiotherapy of Ghent University, Belgium. Patients or Other Participants: Twenty-five healthy participants (9 men and 16 women) without any history of shoulder pain were tested by 2 independent assessors using a handheld dynamometer (HHD) and underwent an isokinetic testing procedure. Intervention(s): The clinical protocol used an HHD, a DynaPort accelerometer to measure acceleration and angular velocity of testing 30 degrees/s over 90 degrees of range of motion, and a Biodex dynamometer to measure isokinetic activity. Main Outcome Measure(s): Three eccentric strength measurements: (1) tester 1 with the HHD, (2) tester 2 with the HHD, and (3) Biodex isokinetic strength measurement. Results: The intratester reliability was excellent (0.879 and 0.858), whereas the intertester reliability was good, with an intraclass correlation coefficient between testers of 0.714. Pearson product moment correlation coefficients of 0.78 and 0.70 were noted between the HHD and the isokinetic data, showing good validity of this new procedure. Conclusions: Standardized eccentric rotator cuff strength can be tested and measured in the clinical setting with good-to-excellent reliability and validity using an HHD.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
TEST-RETEST RELIABILITY, MUSCLE STRENGTH, INJURY PREVENTION, ELITE, FEMALE, PLAYERS, MOTION, RANGE, PITCHERS, PROFILE, RATIOS, eccentric testing, upper extremity, injury prevention, rehabilitation
journal title
JOURNAL OF ATHLETIC TRAINING
J. Athl. Train.
volume
50
issue
7
pages
719 - 725
Web of Science type
Article
Web of Science id
000365183300006
JCR category
SPORT SCIENCES
JCR impact factor
2.224 (2015)
JCR rank
21/82 (2015)
JCR quartile
2 (2015)
ISSN
1062-6050
1938-162X
DOI
10.4085/1062-6050-49.3.72
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
8506230
handle
http://hdl.handle.net/1854/LU-8506230
date created
2017-01-30 17:13:50
date last changed
2017-02-22 15:24:11
@article{8506230,
  abstract     = {Context: Shoulder strength assessment plays an important role in the clinical examination of the shoulder region. Eccentric strength measurements are of special importance in guiding the clinician in injury prevention or return-to-play decisions after injury. 
Objective: To examine the absolute and relative reliability and validity of a standardized eccentric strength-measurement protocol for the glenohumeral external rotators. 
Design: Descriptive laboratory study. 
Setting: Testing environment at the Department of Rehabilitation Sciences and Physiotherapy of Ghent University, Belgium. 
Patients or Other Participants: Twenty-five healthy participants (9 men and 16 women) without any history of shoulder pain were tested by 2 independent assessors using a handheld dynamometer (HHD) and underwent an isokinetic testing procedure. 
Intervention(s): The clinical protocol used an HHD, a DynaPort accelerometer to measure acceleration and angular velocity of testing 30 degrees/s over 90 degrees of range of motion, and a Biodex dynamometer to measure isokinetic activity. 
Main Outcome Measure(s): Three eccentric strength measurements: (1) tester 1 with the HHD, (2) tester 2 with the HHD, and (3) Biodex isokinetic strength measurement. 
Results: The intratester reliability was excellent (0.879 and 0.858), whereas the intertester reliability was good, with an intraclass correlation coefficient between testers of 0.714. Pearson product moment correlation coefficients of 0.78 and 0.70 were noted between the HHD and the isokinetic data, showing good validity of this new procedure. 
Conclusions: Standardized eccentric rotator cuff strength can be tested and measured in the clinical setting with good-to-excellent reliability and validity using an HHD.},
  author       = {Johansson, Fredrik and Skillgate, Eva and Lapauw, Mattis and Clijmans, Dorien and Deneulin, Valentijn and Palmans, Tanneke and Cools, Ann},
  issn         = {1062-6050},
  journal      = {JOURNAL OF ATHLETIC TRAINING},
  keyword      = {TEST-RETEST RELIABILITY,MUSCLE STRENGTH,INJURY PREVENTION,ELITE,FEMALE,PLAYERS,MOTION,RANGE,PITCHERS,PROFILE,RATIOS,eccentric testing,upper extremity,injury prevention,rehabilitation},
  language     = {eng},
  number       = {7},
  pages        = {719--725},
  title        = {Measuring eccentric strength of the shoulder external rotators using a handheld dynamometer : reliability and validity},
  url          = {http://dx.doi.org/10.4085/1062-6050-49.3.72},
  volume       = {50},
  year         = {2015},
}

Chicago
Johansson, Fredrik, Eva Skillgate, Mattis Lapauw, Dorien Clijmans, Valentijn Deneulin, Tanneke Palmans, and Ann Cools. 2015. “Measuring Eccentric Strength of the Shoulder External Rotators Using a Handheld Dynamometer : Reliability and Validity.” Journal of Athletic Training 50 (7): 719–725.
APA
Johansson, F., Skillgate, E., Lapauw, M., Clijmans, D., Deneulin, V., Palmans, T., & Cools, A. (2015). Measuring eccentric strength of the shoulder external rotators using a handheld dynamometer : reliability and validity. JOURNAL OF ATHLETIC TRAINING, 50(7), 719–725.
Vancouver
1.
Johansson F, Skillgate E, Lapauw M, Clijmans D, Deneulin V, Palmans T, et al. Measuring eccentric strength of the shoulder external rotators using a handheld dynamometer : reliability and validity. JOURNAL OF ATHLETIC TRAINING. 2015;50(7):719–25.
MLA
Johansson, Fredrik, Eva Skillgate, Mattis Lapauw, et al. “Measuring Eccentric Strength of the Shoulder External Rotators Using a Handheld Dynamometer : Reliability and Validity.” JOURNAL OF ATHLETIC TRAINING 50.7 (2015): 719–725. Print.