Time-course of changes in performance, biomechanical, physiological and perceptual responses following resistance training sessions

This study determined the time-course of recovery after resistance training (RT) sessions and the association between changes in performance with changes in biomechanical, physiological and perceptual parameters. After a 4-week familiarization period, 14 resistance-trained males performed 3 experime...

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Bibliographic Details
Published in:European journal of sport science 2021-07, Vol.21 (7), p.935-943
Main Authors: Goulart, Karine Naves De Oliveira, Resende, Nathalia Maria, Drummond, Marcos Daniel Motta, Oliveira, Luciana Maria, Lima, Fernando Vitor, Szmuchrowski, Leszek Antoni, Fujiwara, Ricardo Toshio, Couto, Bruno Pena
Format: Article
Language:English
Subjects:
Concentric failure
fatigue
recovery
volume load
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Summary:This study determined the time-course of recovery after resistance training (RT) sessions and the association between changes in performance with changes in biomechanical, physiological and perceptual parameters. After a 4-week familiarization period, 14 resistance-trained males performed 3 experimental conditions, each one including 2 sessions with a recovery interval of 24, 48 h or 72 h, in a randomized order. RT sessions consisted of 5 sets of 8-10RM on squat and leg press exercises. The resistance was equal for the 2 sessions of each condition and repetitions were performed until concentric failure. Volume load (VL) and first set volume load (FSVL) were compared between sessions. Tests before each session included countermovement jump (CMJ), maximal voluntary isometric contraction (MVIC), creatine kinase (CK) and delayed onset muscle soreness (DOMS). (2 × 3) ANOVA with effect sizes (ES) assessed the time-course of recovery and Kendall test the correlation between variables (α = 0.05). Significant interaction was observed for all variables, except for CK, where a condition main effect occurred. Comparisons between post and pre-intervals showed VL (p = 0.011;ES = −0.90) decreased for 24 h condition, while FSVL remained decreased for 48 h (p = 0.031;ES = −0.63) and DOMS increased (p = 0.001;ES = 3.52). CMJ (p = 0.025;ES = 0.25) and MVIC (p = 0.031;ES = 0.14) performance increased at 72 h. FSVL (r = 0.424), CMJ (r = 0.439), MVIC (r = 0.389) and DOMS (r = −0.327) were significantly correlated with VL (p 
ISSN:1746-1391
1536-7290
DOI:10.1080/17461391.2020.1789227