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Acute negative effect of a hypertrophy-oriented training bout on subsequent upper-body power output.
J Strength Cond Res. 2003 Aug; 17(3):527-30.JS

Abstract

Athletes regularly combine maximal strength, power, and hypertrophy-oriented training within the same workout. Traditionally, it has been suggested that power-oriented exercises precede strength and hypertrophy-oriented training within a workout to avoid the possible negative effects that the latter types of training may have on power output. However, with regard to upper-body training, little study has been performed to verify this commonly held belief. The purpose of this study was to determine the extent, if any, of a high-repetition, short-rest-period, hypertrophy-oriented training dose on upper-body power output. Twenty-seven college-aged rugby league players were tested for average power output during bench press throws with a resistance of 40 kg (BT P40). The experimental group (Hyp, n = 15) then performed a typical hypertrophy-oriented work bout (3 x 10 at 65% 1 repetition maximum bench press, 1RM BP) before being retested for power output with the same resistance. In comparison with the control group (Con, n = 12), whose power output remained unchanged between the pre- and posttest periods, the Hyp group experienced a large, significant decrease in BT P40 power output. Even after further passive rest of 7 minutes, power output remained suppressed from the pretest values. Furthermore, the strongest 5 subjects experienced significantly larger percentage declines in power output than did the 5 less strong subjects. This study shows that a high-repetition, short-rest-period training can acutely decrease power output. Coaches should plan the order of exercises carefully when combining power and hypertrophy training.

Authors+Show Affiliations

School of Biomedical and Sport Science, Edith Cowan University, Joondalup, Western Australia, 6027 Australia. danbaker@austarnet.com.au

Pub Type(s)

Journal Article

Language

eng

PubMed ID

12930181

Citation

Baker, Daniel. "Acute Negative Effect of a Hypertrophy-oriented Training Bout On Subsequent Upper-body Power Output." Journal of Strength and Conditioning Research, vol. 17, no. 3, 2003, pp. 527-30.
Baker D. Acute negative effect of a hypertrophy-oriented training bout on subsequent upper-body power output. J Strength Cond Res. 2003;17(3):527-30.
Baker, D. (2003). Acute negative effect of a hypertrophy-oriented training bout on subsequent upper-body power output. Journal of Strength and Conditioning Research, 17(3), 527-30.
Baker D. Acute Negative Effect of a Hypertrophy-oriented Training Bout On Subsequent Upper-body Power Output. J Strength Cond Res. 2003;17(3):527-30. PubMed PMID: 12930181.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Acute negative effect of a hypertrophy-oriented training bout on subsequent upper-body power output. A1 - Baker,Daniel, PY - 2003/8/22/pubmed PY - 2004/1/24/medline PY - 2003/8/22/entrez SP - 527 EP - 30 JF - Journal of strength and conditioning research JO - J Strength Cond Res VL - 17 IS - 3 N2 - Athletes regularly combine maximal strength, power, and hypertrophy-oriented training within the same workout. Traditionally, it has been suggested that power-oriented exercises precede strength and hypertrophy-oriented training within a workout to avoid the possible negative effects that the latter types of training may have on power output. However, with regard to upper-body training, little study has been performed to verify this commonly held belief. The purpose of this study was to determine the extent, if any, of a high-repetition, short-rest-period, hypertrophy-oriented training dose on upper-body power output. Twenty-seven college-aged rugby league players were tested for average power output during bench press throws with a resistance of 40 kg (BT P40). The experimental group (Hyp, n = 15) then performed a typical hypertrophy-oriented work bout (3 x 10 at 65% 1 repetition maximum bench press, 1RM BP) before being retested for power output with the same resistance. In comparison with the control group (Con, n = 12), whose power output remained unchanged between the pre- and posttest periods, the Hyp group experienced a large, significant decrease in BT P40 power output. Even after further passive rest of 7 minutes, power output remained suppressed from the pretest values. Furthermore, the strongest 5 subjects experienced significantly larger percentage declines in power output than did the 5 less strong subjects. This study shows that a high-repetition, short-rest-period training can acutely decrease power output. Coaches should plan the order of exercises carefully when combining power and hypertrophy training. SN - 1064-8011 UR - https://www.unboundmedicine.com/medline/citation/12930181/Acute_negative_effect_of_a_hypertrophy_oriented_training_bout_on_subsequent_upper_body_power_output_ L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=12930181.ui DB - PRIME DP - Unbound Medicine ER -