Is the goal of 12,000 steps per day sufficient for improving body composition and metabolic syndrome? The necessity of combining exercise intensity: a randomized controlled trial

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Title:	Is the goal of 12,000 steps per day sufficient for improving body composition and metabolic syndrome? The necessity of combining exercise intensity: a randomized controlled trial
Authors:	Chiang, TL (Chiang, Tsung-Lin) Chen, C (Chen, Chu) Hsu, CH (Hsu, Chih-Hsiang) Lin, YC (Lin, Yu-Chin) Wu, HJ (Wu, Huey-June)
Contributors:	運教所
Keywords:	Walking Daily step goal Step rate Moderate intensity Cardiovascular disease risk factor
Date:	2019-09-03
Issue Date:	2019-12-17 10:19:57 (UTC+8)
Abstract:	Background To investigate the differences in body composition and metabolic syndrome (MS) under a daily 12,000-step strategy with or without moderate-intensity walking exercise in college students with obesity. Methods Thirty-two adults with obesity (mean (s.d.) age: 19.72 (0.80) years; height: 165.38 (3.99) cm; wt: 83.31 (4.66) kg; body mass index: 30.38 (0.83) kg m(- 2)) were recruited and randomly assigned to the walking step goal group (WSG; achieving 12,000 steps per day), walking exercise group (WEG; achieving 12,000 steps per day, including 3 days per week on which walking at a step rate of over 103 steps min(- 1) was required), or control group (CG; maintaining a free-living life style). Each participant's accumulated daily steps from daily activities and walking exercises were monitored using a smartwatch for 8 weeks. The variables of body composition and MS were measured before and after intervention. Results Average daily steps over 8 weeks did not significantly differ between the WSG and WEG (11,677.67 (480.24) vs. 12,131.90 (527.14) steps per day, respectively, P > .05). Although the CG and WSG showed no improvement in body composition, the WEG exhibited significant improvements in terms of hip circumference and visceral fat area (VFA) ( increment - 2.28 (3.27) cm and increment - 13.11 (9.83) cm(2), respectively, P < .05); high-density lipoprotein cholesterol (HDL-C), fasting glucose (FG), and triglycerides (TG) ( increment 16.36 (8.39), increment - 2.53 (3.73), and increment - 10.52 (36.26) mg dL(- 1), respectively, P < .05). The WSG exhibited improvements only in HDL-C ( increment 14.24 (16.13) mg dL(- 1), P < .05). Conclusion The combination of walking exercise program and daily step goal is a more time efficient strategy in improving body composition and MS than simply establishing a daily step goal. Furthermore, this strategy may also include a potential reduction effect on the risk factors of cardiovascular diseases.
Relation:	BMC PUBLIC HEALTH 卷冊: 19 期: 1 文獻號碼: 1215
Appears in Collections:	[Graduate Institute of Sport Coaching Science ] journal articles

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