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
from September 2014
©Journal of Sports Science and Medicine (2009) 08, 30 - 36

Research article
Effects of three feedback conditions on aerobic swim speeds
Pedro Pérez , Salvador Llana, Gabriel Brizuela, Alberto Encarnación
Author Information
Department of Sport and Physical Education. University of Valencia, Spain

Pedro Pérez
✉ Department of Sport and Physical Education, University of Valencia, C/ Gascó Oliag, n° 3, 46010 Valencia, Spain.
Publish Date
Received: 25-06-2008
Accepted: 05-11-2008
Published (online): 01-03-2009
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The purpose of this study was twofold: (a) to develop an underwater chronometer capable to provide feedback while the athlete is swimming, as well as being a control tool for the coach, and (b) to analyse its feedback effect on swim pace control compared with feedback provided by the coach and with no feedback, in 25 m and 50 m swimming pools. 30 male swimmers of national level volunteer to participate. Each swimmer swam 3 x 200 m at aerobic speed (AS) and 3 x 200 m just under the anaerobic threshold speed (AnS), each swam repetition with a different feedback condition: chronometer, coach and without feedback. Results (a) validate the chronometer system developed and (b) show that swimmers pace control is affected by the type of feedback provided, the swim speed elected and the size of the swimming pool.

Key words: Underwater chronometer, self-regulation, performance, lap time.

           Key Points
  • Providing concurrent feedback to swimmers improves theis swimming pace control.
  • It is more important to provide feedback to control swim pace when the swimming pool is 50m long.
  • Technological development as this chronometer system, could offload coach work, so coach can focus its time and attention on other performance aspects or other swimmers.
  • Technological developments are more accepted by coaches when they don’t interfere on swimmers execution, that is, whet it is not necessary to implement the swimmer with cables and apparatus.
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