Skip Navigation LinksHome > January 2014 - Volume 28 - Issue 1 > Determinants, Reliability, and Usefulness of a Bench Press R...
Journal of Strength & Conditioning Research:
doi: 10.1519/JSC.0b013e3182986c1f
Original Research

Determinants, Reliability, and Usefulness of a Bench Press Repeated Power Ability Test in Young Basketball Players

Gonzalo-Skok, Oliver1,2; Tous-Fajardo, Julio3,4; Arjol-Serrano, José Luis1; Mendez-Villanueva, Alberto5

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Abstract

Gonzalo-Skok, O, Tous-Fajardo, J, Arjol-Serrano, JL, and Mendez-Villanueva, A. Determinants, Reliability and usefulness of a bench press repeated power ability test in young basketball players. J Strength Cond Res 28(1): 126–133, 2014—The aim of the present study was to analyze the main determinants of an upper-body repeated power ability (RPA) test and to examine its reliability and usefulness. Forty-five highly trained, male, young basketball players performed the RPA test (5 sets of 5 repetitions with 30 seconds of passive recovery within sets) on 2 sessions separated by 5–7 days. Power output was registered using a linear encoder attached to the barbell. Results showed no significant differences (p > 0.05) between each set in both sessions and trivial (<0.2) effect sizes in all the analyzed variables. For every set, intraclass correlation coefficient was very high (0.96–0.98) and coefficient of variation was low (3.3%–4.3%). Because the typical error of measurement values were lower or similar than the smallest worthwhile change (SWC0.2 = 0.2 × between-subject SD), the usefulness of most variables was rated as “good” or “OK” considering that small changes would be detected by this test. The percentage of power decrement could only be used to detect large effects (>1.2 × between-subject SD). An almost perfect correlation (r = 0.99; 90% confidence interval, 0.98–0.99) was found between the average power in set 1 (APbest) and the average power over 5 sets (APmean). In conclusion, the main determinant of RPA test is APbest, and because of the high reliability scores obtained, this protocol may be used to assess upper-body RPA in relatively experienced young athletes.

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