Cardiorespiratory Fitness in Children with Obesity and Respiratory Symptoms

• DOI: 10.1152/physiol.2024.39.s1.1823
• Publication Date: 2024-05-21T14:57:50Z
• Authors: Daniel Wilhite; Dharini Bhammar; Tanya Martinez-Fe...; Yulun Liu; Tony Babb
• Keywords: 0303 health sciences; 03 medical and health sciences

Study Objective: Physical fitness (i.e., VȮ 2max in ml/min/kg) is decreased children with obesity. However, cardiorespiratory 2 max as a percent of predicted based on ideal body mass) preserved Unfortunately, many obesity suffer from obesity-related respiratory symptoms such exertional dyspnea, which could make them reluctant to exercise and thus decrease both their physical fitness. Thus, we hypothesized that will be symptoms. Methods: Body composition (DXA) was measured aged 8-12yrs without (‘CWOO’; n=25; 15 th ≤BMI≤85 percentile), (‘CWO’; n=49; BMI≥95 (‘CWORS’; n=14; percentile). On separate day, participants completed an incremental test volitional exhaustion. After 15min seated rest, then performed constant-load supramaximal verification at 105% the peak work rate. The highest or recorded . BMI-for-age data CDC were used calculate ‘ideal’ mass (BM) 50 percentile for CWO, CWORS, CWOO who above BMI percentile. Percent calculated using sex-specific prediction equations developed by Cooper et al. (2016). A one-way ANOVA post hoc tests determine differences among groups CWOO, CWORS). Significance set p < 0.05. Results: Age years slightly but significantly greater (11.0±1.1) vs. CWORS (10.2±1.1), similar between CWO (10.4±1.3) other two groups. Height not different BM kg (60.18±15.65) (63.16±13.10), higher than (39.18±7.11). There no significant (% 95 fat mass, % fat, circumference measures CWORS. L/min (CWOO, 1.48±0.35; 1.59±0.32; 1.57±0.30). 97±12; 96±12; 91±12). ml/min/kg (27.0±3.7) (25.2±3.5), (37.9±7.1) Conclusion: Cardiorespiratory affected origin probably related deconditioning. These findings are important inform healthcare providers examine associations chronic disease NIH R01 HL136643, King Charitable Foundation Trust, Cain Foundation, unrestricted gift Dr. Pepper Snapple, Texas Health Presbyterian Hospital Dallas. Daniel Wilhite funded Administrative Supplement Promote Diversity Health-Related Research (HL136643-01S1). This full abstract presented American Physiology Summit 2024 meeting only available HTML format. additional versions content this abstract. involved peer review process.