RT Journal Article
T1 Analysis of the Use and Applicability of Different Variables for the Prescription of Relative Intensity in Bench Press Exercise
A1 Maté Muñoz, José Luis
A1 Garnacho Castaño, Manuel Vicente
A1 Hernández Lougedo, Juan
A1 Maicas Pérez, Luis
A1 Notario Alonso, Raúl
A1 Da Silva-Grigoletto, Marzo Edir
A1 García Fernández, Pablo
A1 Heredia-Elvar, Juan Ramón
AB The aim of the study was to analyze the use of variables such as % of one-repetition maximum (1RM) and number of maximal repetitions (xRM) with execution velocity to define and control the intensity of resistance training in bench press exercise. Hence, exercise professionals will achieve better control of training through a greater understanding of its variables. Methods: In this cross-sectional study, fifty male physical education students were divided into four groups according to their relative strength ratio (RSR) and performed a 1RM bench press test (T1). In the second test, participants performed repetitions to exhaustion (T2), using a relative load corresponding to 70% 1RM determined through the mean propulsive velocity (MPV) obtained from the individual load–velocity relationship. This same test was repeated a week later (T3). Tests were monitored according to the MPV of each repetition and blood lactate values (LACT). Results: Regarding MPV, the best (fastest) repetition of the set (MPVrep Best) values were similar between groups (0.62 m·s−1–0.64 m·s−1), with significant differences in relation to the high RSR group (p < 0.001). The average maximum number of repetitions (MNR) was 12.38 ± 2.51, with no significant differences between the RSR groups. Nonetheless, significant variation existed between groups with regards to MNR (CV: 13–29%), with greater variability in the group corresponding to the lowest RSR values (CV: 29%). The loss of velocity in the MNR test in the different groups was similar (p > 0.05). Average LACT values (5.72 mmol·L−1) showed significant differences between the Background: Medium RSR and Very Low RSR groups. No significant differences were found (p > 0.05) between T2 and T3 with regards to MNR, MPVrep Best, or MPVrep Last, with little variability seen between participants. Conclusions: The use of variables such as the 1RM, estimated using an absolute load value, or an MNR do not allow an adequate degree of precision to prescribe and control the relative intensity of resistance training. Besides, execution velocity control can offer an adequate alternative to guarantee an accurate prescription of intensity with regard to resistance training.
PB MDPI
SN 2079-7737
YR 2022
FD 2022-02-17
LK https://hdl.handle.net/20.500.14352/72286
UL https://hdl.handle.net/20.500.14352/72286
LA eng
DS Docta Complutense
RD 9 abr 2025