Effects of Lifting Tempo on One Repetition Maximum and Hormonal Responses to a Bench Press Protocol

Headley, SA, Henry, K, Nindl, BC, Thompson, BA, Kraemer, WJ, and Jones, MT. Effects of lifting tempo on one repetition maximum and hormonal responses to a bench press protocol. J Strength Cond Res 25(2)406-413, 2011-This study was carried out in 2 partspart 1 was designed to measure the 1 repetition...

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Veröffentlicht in:Journal of strength and conditioning research 2011-02, Vol.25 (2), p.406-413
Hauptverfasser: Headley, Samuel A, Henry, Kelley, Nindl, Bradley C, Thompson, Brian A, Kraemer, William J, Jones, Margaret T
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Sprache:eng
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Zusammenfassung:Headley, SA, Henry, K, Nindl, BC, Thompson, BA, Kraemer, WJ, and Jones, MT. Effects of lifting tempo on one repetition maximum and hormonal responses to a bench press protocol. J Strength Cond Res 25(2)406-413, 2011-This study was carried out in 2 partspart 1 was designed to measure the 1 repetition maximum (1RM) bench press with 2 different moderate-velocity tempos (2/0/2) vs. (2/0/4) in male lifters while part 2 compared the hormonal responses at the same tempos as described in part 1. In both parts 1 and 2, the 1RMs (lbs) were higher on the 2/0/2 tempo than on the 2/0/4 tempo. The change in plasma volume (PV) was greater after the 2/0/4 tempo (−5.7 ± 1.7% vs. 0.96 ± 1.2%, p < 0.05). All blood parameters were significantly (p < 0.05) higher post-exercise compared with baseline. With PV corrected, insulin-like growth factor 1 (IGF-1) (ng·mL) was higher with the 2/0/2 tempo only (pre-exercise277.4 ± 21.8, post-exercise308.1 ± 22.9; 2/0/4 tempo pre-exercise277.2 ± 17.6, post-exercise284.8 ± 21.2). In conclusion, heavier loads can be lifted and more total work can be performed using a (2/0/2) tempo compared with a slower (2/0/4) tempo, but with the exception of IGF-1, the hormonal responses are similar. Individuals may get the same metabolic responses to training by using different tempos, but they will need to use less weight at a slower tempo.
ISSN:1064-8011
1533-4287
DOI:10.1519/JSC.0b013e3181bf053b