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  • Title: Assessment of Upper-Body Ballistic Performance Through the Bench Press Throw Exercise: Which Velocity Outcome Provides the Highest Reliability?
    Author: García-Ramos A, Haff GG, Jiménez-Reyes P, Pérez-Castilla A.
    Journal: J Strength Cond Res; 2018 Oct; 32(10):2701-2707. PubMed ID: 29847530.
    Abstract:
    García-Ramos, A, Haff, GG, Jiménez-Reyes, and P, Pérez-Castilla, A. Assessment of upper-body ballistic performance through the bench press throw exercise: Which velocity outcome provides the highest reliability? J Strength Cond Res 32(10): 2701-2707, 2018-This study aimed to compare the between-session reliability of 3 velocity variables (mean velocity [MV], mean propulsive velocity [MPV], and maximum velocity [Vmax]) to assess bench press throw (BPT) performance. Twenty-one men were tested during 2 consecutive weeks in 2 variants of the BPT exercise (concentric-only and eccentric-concentric) against 5 different loading conditions (17, 27, 37, 47, and 57 kg). The 2 sessions of each BPT variant were performed within the same week separated by 48-72 hours. The main findings revealed that (a) the highest reliability was observed for Vmax (median coefficient of variation [CV] and range) (CV = 2.14% [1.43-4.02%]), followed by MV (CV = 3.18% [1.47-5.22%]), and finally, the MPV was the least reliable variable (CV = 4.27% [1.98-6.38%]), (b) all velocity variables demonstrated a higher reliability during the eccentric-concentric BPT (CV = 2.41% [1.43-5.30%]) when compared with the concentric-only BPT (CV = 4.02% [1.74-6.38%]), and (c) the reliability tended to decrease with the increment of the load: 17 kg (CV = 2.12% [1.43-4.68%]), 27 kg (CV = 1.96% [1.74-3.86%]), 37 kg (CV = 2.98% [2.47-5.67%]), 47 kg (CV = 4.59% [2.32-6.38%]), and 57 kg (CV = 3.92% [1.95-5.52%]). These results indicate that the assessment of the Vmax should be performed with a light-loading condition during the eccentric-concentric BPT for obtaining the most reproducible measure of upper-body ballistic performance.
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