Effect of Rest Interval Length Between Sets on Total Load Lifted and Blood Lactate Response During Total-Body Resistance Exercise Session

AuthorCharles Ricardo Lopesen
AuthorAlex Harley Crispen
AuthorBrad Schoenfelden
AuthorMayara Ramosen
AuthorMoises Diego Germanoen
AuthorRozangela Verlengiaen
AuthorGustavo Ribeiro da Motaen
AuthorPaulo Henrique Marchettien
AuthorMarcelo Saldanha Aokien
Issued Date2018-06-30en
AbstractObjectives: This study aimed to investigate the effect of different rest interval durations between sets during full-body resistance exercise sessions on total load lifted and blood lactate concentrations in resistance-trained individuals. Methods: Ten healthy young men (age: 23 ± 6.5 years; total body mass: 82.8 ± 10.6 kg, height: 177.3 ± 0.1 cm) randomly performed 3 resistance exercise sessions with different rest intervals between sets (30 seconds, 60 seconds and 120 seconds). The resistance exercise sessions consisted of 6 full-body exercises (bench press; seated low row; shoulder press; back squat; leg press 45° and seated calf raise) performed with 4 sets of 10 repetitions maximum (RM). Total load lifted (sets × repetitions × load (Kgf)) and lactate blood concentration were determined for each exercise session. One way, repeated measures analysis of variance (ANOVA) followed by Bonferroni’s post-hoc test were used for multiple comparisons. Results: The total load lifted was significantly (P < 0.001) lower for 30 seconds (26382.0 ± 4100.3 kg) rest interval compared with 60 seconds (28864.5 ± 4139.7 kg) and 120 seconds (30064.4 ± 3966.4 kg). The blood lactate response was not different among the 3 rest interval conditions investigated, with mean peak values of 7.05 ± 1.69, 7.26 ± 2.77 and 6.90 ± 3.79 mM for 30 seconds, 60 seconds and 120 seconds, respectively. Conclusions: In conclusion, rest interval durations of 60 seconds and 120 seconds between sets favored a higher total load lifted in the exercise session when compared to the 30 seconds rest interval. The rest protocols implemented in the present study promoted a similar metabolic response (e.g. blood lactate concentration) to a full-body resistance exercise session in trained subjects.en
DOIhttps://doi.org/10.5812/asjsm.57500en
KeywordResistance Trainingen
KeywordRest Perioden
KeywordVolume Loaden
KeywordMetabolic Stressen
KeywordAcute Responseen
PublisherBrieflandsen
TitleEffect of Rest Interval Length Between Sets on Total Load Lifted and Blood Lactate Response During Total-Body Resistance Exercise Sessionen
TypeResearch Articleen

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