Key result
In obese adults, the %HRpeak-%VO2peak relationship was significantly greater than ACSM recommendations, and %HRR was equivalent to VO2R rather than %VO2peak.
Why the study?
What are the relationships between heart rate and oxygen consumption indices during exercise in sedentary obese adults?
Population
32 sedentary obese adults, 17 women and 15 men, mean age 42.1 +/- 9.6 years, BMI 37.4 +/- 5.7 kg/m2
Design
Cross-sectional
Follow-up
3 weeks (testing period)
Authors
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May not align with ACSM guidelines in obese adults; hypothesis-generating for tailored prescriptions pending prospective trials.
Cross-Sectional (n=32)
What are the relationships between heart rate and oxygen consumption indices during exercise in sedentary obese adults?
Cardiorespiratory parameter relationships in obese adults differ from normal weight populations, suggesting standard ACSM exercise prescription guidelines may need adjustment for this group.
Byrne et al. (2002) conducted a cross-sectional in Obesity (n=32). Graded treadmill tests and resting metabolic rate assessment was evaluated on Relationships between relative indices of VO2peak, VO2R, HRpeak, and HRR. In obese adults, the %HRpeak-%VO2peak relationship was significantly greater than ACSM recommendations, and %HRR was equivalent to VO2R rather than %VO2peak.
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