Estimating the one-repetition máximum on the leg-press exercise in female breast cancer survivors
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URI: http://hdl.handle.net/10835/15963
DOI: https://doi.org/10.7717/peerj.16175
DOI: https://doi.org/10.7717/peerj.16175
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Díez Fernández, David Manuel; Baena Raya, Andrés; García-Ramos, Amador; Esteban Simón, Alba; Rodríguez Pérez, Manuel Antonio; [et al.]Fecha
2023Resumen
We examined the accuracy of twelve different velocity-based methods for predicting the bilateral leg-press exercise one-repetition maximum (1RM) in breast cancer survivors. Twenty-one female breast cancer survivors (age 50.2 ± 10.8 years) performed an incremental loading test up to the 1RM. Individual load-velocity relationships were modeled by linear and quadratic polynomial regression models considering the mean velocity (MV) and peak velocity (PV) values recorded at five incremental loads (~45-55-65-75-85% of 1RM) (multiple-point methods) and by a linear regression model considering only the two distant loads (~45–85% of 1RM) (two-point method). The 1RM was always estimated through these load-velocity relationships as the load associated with a general (MV: 0.24 m/s; PV: 0.60 m/s) and an individual (MV and PV of the 1RM trial) minimal velocity threshold (MVT). Compared to the actual 1RM, the 1RMs estimated by all linear regression models showed trivial differences (Hedge’s g ranged ...
Palabra/s clave
Resistance training,
Maximum dynamic strength
Velocity-based training
Cancer
One-repetition maximum