Key result
Interval training with active recovery significantly increased plasma adrenaline (2.82 vs. 1.03 nmol/l) and noradrenaline (7.22 vs. 6.65 nmol/l) responses to maximal exercise (p<0.05).
Why the study?
Does active recovery during interval training increase plasma catecholamine responses to maximal exercise compared to passive recovery in young men?
RCT (n=24)
Randomly assigned
Does active recovery during interval training increase plasma catecholamine responses to maximal exercise compared to passive recovery in young men?
p-value: p=<0.05
Interval training with active recovery induces greater physiological stress and catecholamine release in response to maximal exercise compared to passive recovery.
Active recovery may optimize interval training stress via amplified catecholamines; extends RCT evidence on recovery modalities in young men.
The effect of recovery mode (Active [AR] vs. Passive [PR]) on plasma catecholamine (Adrenaline [A] and Noradrenaline [NA]) responses to maximal exercise (Exemax) was studied during interval training (IT). 24 male subjects (21.1±1.1 years) were randomly assigned to a control group (CG, n=6), AR training group (ARG, n=9) or PR group (PRG, n=9). ARG and PRG participated in an IT program 3 times a week for 7 weeks. Before and after training, maximal oxygen uptake (VO2max) and maximal aerobic velocity (MAV) were measured. Plasma A and NA were determined at rest, at the end of Exemax and after 10 and 30 min of recovery. Training induced significant changes only in ARG: an increase of VO2max and MAV along with a significant increase of A and NA at the end of Exemax (2.82±0.15 vs. 1.03±0.15 nmol/l and 7.22±0.36 vs. 6.65±0.57 nmol/l, respectively p<0.05). The ratio A/NA measured at the end of Exemax also increased significantly after training (0.41±0.11 vs. 0.16±0.08, P>0.05). The present results show that IT with AR induces a significant increase of A and NA concentrations in response to maximal exercise. The study furthermore shows that IT program with AR may induce more stress than the same program with PR.
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Abderrahmane et al. (2013) conducted an RCT in Healthy males undergoing interval training (n=24). Interval training with active recovery vs. Passive recovery and no training (control) was evaluated on Plasma adrenaline and noradrenaline responses to maximal exercise (p=<0.05). Interval training with active recovery significantly increased plasma adrenaline (2.82 vs. 1.03 nmol/l) and noradrenaline (7.22 vs. 6.65 nmol/l) responses to maximal exercise (p<0.05).
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