Effect of 6-week high-intensity interval training on health physical fitness of naval officers and soldiers
Objective To explore the effect of 6-week high-intensity interval training(HIIT)on health physical fitness of naval officers and soldiers.Methods Twenty male naval officers and soldiers were divided into experimental group and control group according to the random numer table,with 10 cases in each group.The experimental group participated in HIIT 3 times a week for 6 consecutive weeks,while the control group received routine physical fitness training.The physical fitness indexes,such as body fat percentage,plank,sit-and-reach,300-yard(1 yard≈0.914 m)shuttle run,grip strength,standing long jump and deep jump,were tested before and after training.Results Compared with before intervention,there were significant differences in body fat percentage(P=0.009),plank(P=0.003),300-yard shuttle run(P=0.014),sit-and-reach(P=0.05)and right hand grip strength(P=0.005)in the experimental group after intervention,and there were significant differences only in the plank(P=0.042)and standing long jump(P=0.041)in the control group.There were significant differences in the body fat percentage(P=0.016),plank(P=0.001),300-yard shuttle run(P=0.021),sit-and-reach(P=0.003),left hand grip strength(P=0.025)and right hand grip strength(P=0.001)between the two groups after intervention.Conclusion Six-week HIIT can enhance the health physical fitness in naval crews.
High-intensity interval trainingHealth physical fitnessNaval officers and soldiers
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