Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2012) 11, 438 - 443

Research article
Reliability and Validity of the OMNI-Vibration Exercise Scale of Perceived Exertion
Pedro J. Marín1,2, Alejandro Santos-Lozano3, Fernanda Santin-Medeiros3, Robert J. Robertson4, Nuria Garatachea3, 
Author Information
1 European University Miguel de Cervantes, C/Padre Julio Chevalier, Valladolid, Spain
2 Research Center on Physical Disability, ASPAYM Castilla y León, Valladolid, Spain
3 University of Zaragoza, Ronda Misericordia, Huesca, Spain
4 University of Pittsburgh, Pittsburgh, PA, USA

Nuria Garatachea
✉ Laboratoire de recherche 'Optimisation de la performance sportive' , Centre National de la Médecine et des sciences du sport,Bp263, Ave Med Ali Akid, 1004 El Menzah, Tunis, Tunisa
Email: gabry.digiacinto@libero.it
Publish Date
Received: 08-03-2012
Accepted: 22-05-2012
Published (online): 01-09-2012
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ABSTRACT

This study examined reliability and concurrent validity of the newly developed OMNI-vibration exercise scale (OMNI-VIBRO) to measure Ratings of Perceived Exertion (RPE) during vibration exercise in twenty recreationally active students (12 males and 8 females). The criterion variables were muscle activity of the Vastus Medialis (VM), Vastus Lateralis (VL), Biceps Femoris (BF), and Medial Gastrocnemius (MG) muscles, as well as accelerations (12.5, 20.2, 30.9, 36.3, 60.1, and 88.4 m·s-2). RPE was registered during the final of each 30 s condition. Each participant attended two laboratory testing sessions. Positive linear regression coefficients (p < 0.001) were found between RPE (OMNI-VIBRO) and acceleration (r = 0.976) and muscle activity of lower-body muscles (r = 0.942). Between session (test-retest), reliability of RPE (OMNI-VIBRO) was good (ICC: 0.790. 95% CI: 0.699-0.854). Conclusions: findings provided concurrent validation of the OMNI-VIBRO to measure RPE for the active muscle and overall body in recreationally active students performing lower-body vibration exercise.

Key words: Validation, perceived exertion, vibration, EMG.


           Key Points
  • The pictorial-verbal category scale of perception of exertion (OMNI-VIBRO) during lower body vibration exercise on a vibration platform showed good concurrent validity.
  • The OMNI-VIBRO method in conjunction with WBV exercise would allow coaches, fitness professionals, or health-care personnel to assess the intensity that corresponds to the level of the vibratory stimulus.
  • The OMNI-VIBRO could be a useful tool of measuring the different intensities of a vibratory-training session and altering the vibratory stimulus in a periodized fashion.
 
 
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