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Substrate Utilization at Steady State Treadmill Walking with and without Blood Flow Restriction

Chen, Ge
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1542625435596523

Abstract Details

2018, Master of Science (MS), Ohio University, Exercise Physiology-Research (Health Sciences and Professions).
Blood flow restricted (BFR) exercise is an alternative to “traditional” exercise that, by partially occluding pressure to working extremities during low-to-moderate exercise intensities, produces greater physiological stress. To that end, chronic BFR exercise training at low-to-moderate intensities has been demonstrated to yield greater physiological adaptations. However, most of the research to date has applied BFR in resistance exercise and focused on muscular strength and hypertrophy. The purpose of this investigation was to determine if the addition of BFR to low-to- oderate intensity treadmill walking could alter energy substrate utilization compared to a non-BFR condition. Nine healthy, college-aged men performed treadmill walking at a relative intensity of 50 ± 5% of the participant’s maximal oxygen consumption (VO2max) during the application of (BFR) or without (CON) restriction. The absolute and relative oxygen consumption (VO2) and carbon dioxide production (VCO2) were continuously measured during exercise; while respiratory exchange ratio (RER), the absolute amount and the relative contribution of carbohydrate and fat oxidation were calculated. Blood lactate concentrations were measured before and at 2 min after exercise. Analysis of the data demonstrated that at the same physiological intensity, BFR did not alter substrate utilization indicated by RER (CON: 0.88 ± 0.04, BFR: 0.90 ± 0.05, p = 0.247). However, 4 post-exercise lactate concentration was significantly higher in the BFR trial (CON: 1.27 ± 0.32 mg/dL, BFR: 2.01 ± 0.47 mg/dL, p = 0.003). This result indicates that BFR exercise alters local but not whole-body level metabolism.
Cheryl Howe, Dr. (Advisor)
Sharon Perry, Dr. (Committee Member)
Anna Brooks, Ms. (Committee Member)
Michael Kushnick, Dr. (Other)
110 p.
Health; Health Sciences; Medicine; Physiology
blood flow restricted exercise; treadmill walking; energy expenditure; substrate utilization; blood lactate; steady state

Recommended Citations

Citations

  • Chen, G. (2018). Substrate Utilization at Steady State Treadmill Walking with and without Blood Flow Restriction [Master's thesis, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1542625435596523

    APA Style (7th edition)

  • Chen, Ge. Substrate Utilization at Steady State Treadmill Walking with and without Blood Flow Restriction. 2018. Ohio University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1542625435596523.

    MLA Style (8th edition)

  • Chen, Ge. "Substrate Utilization at Steady State Treadmill Walking with and without Blood Flow Restriction." Master's thesis, Ohio University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1542625435596523

    Chicago Manual of Style (17th edition)

ohiou1542625435596523
592
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This open access ETD is published by Ohio University and OhioLINK.