Reproducibility and discriminant validity of the Posterior Shoulder Endurance Test in healthy and painful populations |
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| Affiliation: | 1. Division of Physical Therapy, Ohio University, Athens, OH, USA;2. School of Kinesiology, Marshall University, Huntington, WV, USA;3. Rehabilitation Sciences, University of Kentucky, Lexington, KY, USA;1. School of Sport, Exercise and Health Sciences, Loughborough University, Epinal Way, Loughborough, LE11 3TU, UK;2. Manchester Medical School, University of Manchester, Oxford Road, Manchester, M13 9PT, UK;3. England and Wales Cricket Board National Cricket Performance Centre, Loughborough University, Epinal Way, Loughborough, LE11 3TU, UK;1. Université de Lyon, Laboratoire Interuniversitaire de Biologie de la Motricité – EA 7424, UFRSTAPS, 27-29 boulevard du 11 novembre 1918, 69622, Villeurbanne Cedex, France;2. Athletic France, 4 rue Jean Sarrazin, 69008, Lyon, France;3. Centre Orthopédique Santy, Fifa Medical Center of Excellence, 24 avenue Paul Santy, 69008, Lyon, France;4. Hopital Privé Jean Mermoz, Ramsay-Générale de Santé, 55 avenue Jean Mermoz, 69008, Lyon, France;1. Student of the Graduate Course in Physiotherapy of the University of Pernambuco, Petrolina, PE, Brazil;2. Associate Program of Post-graduation in Physical Education, UPE / UFPB, Recife, PE, Brazil;3. Department of Physical Therapy, University of Pernambuco, Petrolina, PE, Brazil |
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| Abstract: | ObjectiveThis investigation measured the reproducibility and discriminant validity of the Posterior Shoulder Endurance Test (PSET) on painful and non-painful populations.DesignReliability and validity study.SettingLaboratory setting.ParticipantsThirty subjects (male = 11; female = 19).Main outcome measuresTime to failure (TTF) was the primary outcome measure to determine reliability of the PSET. Discriminant validity identified with receiver operator characteristic (ROC) curves utilized TTF separately in men and women since they used different loads.ResultsThere were 25/30 subjects (painful = 12; non-painful = 13) tested a second time. ICC, SEM, and MDC90 ranged respectively from 0.77, 13.1 s, 30.6 s in the painful group to 0.85, 7.3 s, 17 s in the non-painful group. The male ROC curve AUC was 0.833 with 47 s resulting in the best combination of sensitivity = 0.833, and specificity = 0.80. The female ROC curve AUC was 0.633 with 46 s resulting in the best combination of sensitivity = 0.600 and specificity = 0.889 at 46 s.ConclusionThe PSET is a reliable way to measure shoulder girdle muscular endurance. These data suggest that the PSET discriminates painful and non-painful individuals better in men compared to women. |
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| Keywords: | Shoulder endurance Test re-test reliability Discriminant validity |
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