Validity, Reliability, and Sensitivity of a Volleyball Intermittent Endurance Test

in International Journal of Sports Physiology and Performance

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Jose A. Rodríguez-Marroyo
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Javier Medina-Carrillo
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Juan García-López
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Juan C. Morante
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José G. Villa
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Carl Foster
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Purpose:

To analyze the concurrent and construct validity of a volleyball intermittent endurance test (VIET). The VIET’s test–retest reliability and sensitivity to assess seasonal changes was also studied.

Methods:

During the preseason, 71 volleyball players of different competitive levels took part in this study. All performed the VIET and a graded treadmill test with gas-exchange measurement (GXT). Thirty-one of the players performed an additional VIET to analyze the test–retest reliability. To test the VIET’s sensitivity, 28 players repeated the VIET and GXT at the end of their season.

Results:

Significant (P < .001) relationships between VIET distance and maximal oxygen uptake (r = .74) and GXT maximal speed (r = .78) were observed. There were no significant differences between the VIET performance test and retest (1542.1 ± 338.1 vs 1567.1 ± 358.2 m). Significant (P < .001) relationships and intraclass correlation coefficient (ICC) were found (r = .95, ICC = .96) for VIET performance. VIET performance increased significantly (P < .001) with player performance level and was sensitive to fitness changes across the season (1458.8 ± 343.5 vs 1581.1 ± 334.0 m, P < .01).

Conclusions:

The VIET may be considered a valid, reliable, and sensitive test to assess the aerobic endurance in volleyball players.

Rodríguez-Marroyo, Medina-Carrillo, García-López, Morante, and Villa are with the Dept of Physical Education and Sports, University of León, León, Spain. Foster is with the Dept of Exercise and Sport Science, University of Wisconsin–La Crosse, La Crosse, WI.

Address author correspondence to Jose Rodríguez-Marroyo at j.marroyo@unileon.es.
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