Effects of high-intensity interval training on improving arterial stiffness in Chinese female university students with normal weight obese: a pilot randomized controlled trial

Hu, Jingyun; Liu, Min; Yang, Ruoyu; Wang, Liyan; Liang, Leichao; Yang, Yuanyuan; Jia, Shihao; Chen, Ruiyi; Liu, Qianle; Ren, Yu; Zhu, Lei; Cai, Ming

doi:10.1186/s12967-022-03250-9

Table 2 Effects of HIIT on body composition

From: Effects of high-intensity interval training on improving arterial stiffness in Chinese female university students with normal weight obese: a pilot randomized controlled trial

	Control (n = 13)		HIIT (n = 17)		F		p—value		η²
	Pre	Post	Pre	Post	Pre	Post	Pre	Post	Pre	Post
Body weight (kg)	58.34 ± 1.18	59.85 ± 1.24^△△	58.61 ± 1.03	57.56 ± 1.08^##	0.031	1.939	0.862	0.175	0.001	0.065
BMI (kg/m²)	22.15 ± 0.31	23.21 ± 0.46^△	21.93 ± 0.28	21.03 ± 0.41^**#	0.270	12.560	0.607	0.001	0.010	0.310
BF (%)	33.93 ± 0.72	35.55 ± 0.56^△	33.52 ± 0.63	28.34 ± 0.49^**##	0.184	92.648	0.671	0.000	0.007	0.768
BFM (kg)	19.79 ± 0.58	21.34 ± 0.58^△△	19.67 ± 0.51	16.32 ± 0.51^**##	0.027	42.303	0.870	0.000	0.001	0.602
LBFM (kg)	1.41 ± 0.05	1.56 ± 0.05^△△	1.38 ± 0.04	1.10 ± 0.04^**##	0.239	47.207	0.628	0.000	0.008	0.628
SMM (kg)	20.69 ± 0.53	20.64 ± 0.49	20.87 ± 0.46	22.25 ± 0.43^**##	0.065	6.061	0.800	0.020	0.002	0.178
protein (kg)	7.51 ± 0.17	7.55 ± 0.17	7.61 ± 0.15	8.04 ± 0.15^*##	0.180	4.900	0.675	0.035	0.006	0.149
BMC (kg)	2.39 ± 0.06	2.37 ± 0.05	2.39 ± 0.05	2.51 ± 0.05^##	0.001	3.966	0.978	0.056	0.000	0.124
FFM (kg)	38.55 ± 0.88	38.51 ± 0.83	38.95 ± 0.77	41.24 ± 0.72^*##	0.116	6.214	0.735	0.019	0.004	0.182
LFFM (kg)	1.71 ± 0.05	1.73 ± 0.06	1.69 ± 0.04	1.80 ± 0.05^##	0.106	0.809	0.747	0.376	0.004	0.028
TBW (kg)	28.18 ± 0.65	28.18 ± 0.60	28.51 ± 0.57	30.21 ± 0.53^*##	0.147	6.438	0.704	0.017	0.005	0.187
LTBW (kg)	1.33 ± 0.04	1.35 ± 0.05	1.31 ± 0.04	1.40 ± 0.04^##	0.057	0.753	0.814	0.393	0.002	0.026
LMC (cm)	27.98 ± 0.26	28.52 ± 0.41	27.68 ± 0.22	27.12 ± 0.36^*	0.785	6.641	0.383	0.016	0.027	0.192
BCM (kg)	24.92 ± 0.57	24.87 ± 0.54	25.13 ± 0.50	26.64 ± 0.47^*##	0.079	6.091	0.781	0.020	0.003	0.179
Inbody score	68.85 ± 0.74	68.08 ± 0.69	68.94 ± 0.65	74.00 ± 0.60^**##	0.009	42.337	0.924	0.000	0.000	0.602
Obesity degree	105.62 ± 1.53	110.46 ± 2.21^△	104.47 ± 1.34	100.12 ± 1.93^**#	0.318	12.476	0.578	0.001	0.011	0.308

Repeated measures ANOVA followed by simple effect test analysis were used
Data were presented as mean ± SE
BMI Body mass index, BF Body fat, BFM Body fat mass, LBFM BFM of left arm, SMM Skeletal muscle mass, BMC Bone mineral content, FFM Fat free mass, LFFM FFM of left arm, TBW Total body water, LTBW Total body water of left arm, LMC Measured circumference of left arm, BCM Body cell mas
^*p < 0.05, **p < 0.01, HIIT group (post) vs. Control group (post)
^#p < 0.05, ^##p < 0.01, pre vs. post in HIIT group
^△p < 0.05, ^△△p < 0.01, pre vs. post in Control group

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ISSN: 1479-5876

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