Validation of Maximal, Submaximal, and Nonexercise Indirect VO2max Estimations at 2600 m Altitude

被引:4
|
作者
Duperly, John [1 ,2 ]
Serrato, Mauricio [3 ,4 ]
Forero, Nestor I. [4 ]
Jimenez-Mora, Mario A. [1 ]
Mendivil, Carlos O. [1 ,5 ]
Lobelo, Felipe [6 ,7 ]
机构
[1] Univ Andes, Sch Med, Bogota, Colombia
[2] Fdn Santa Fe Bogota, Inst Exercise Med & Rehabil, Dept Internal Med, Bogota, Colombia
[3] Univ Nacl Colombia, Fac Med, Bogota, Colombia
[4] Minist Deporte, Bogota, Colombia
[5] Fdn Santa Fe Bogota, Dept Internal Med, Endocrinol Sect, Bogota, Colombia
[6] Emory Univ, Rollins Sch Publ Hlth, Hubert Dept Global Hlth, 1518 Clifton Rd NE,CNR 7051, Atlanta, GA 30322 USA
[7] Exercise is Med Global Res & Collaborat Ctr, Atlanta, GA USA
关键词
altitude; cardiorespiratory fitness; field test; maximal oxygen consumption; nonexercise testing; young adults; ALL-CAUSE MORTALITY; SHUTTLE RUN TEST; CARDIORESPIRATORY FITNESS ASSOCIATIONS; CRITERION-RELATED VALIDITY; PEAK OXYGEN-UPTAKE; 2-KM WALKING TEST; HEMOGLOBIN MASS; REFERENCE-STANDARDS; PHYSICAL-FITNESS; AEROBIC POWER;
D O I
10.1089/ham.2019.0097
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
Duperly, John, Mauricio Serrato, Nestor I. Forero, Mario A. Jimenez-Mora, Carlos O. Mendivil, and Felipe Lobelo. Validation of maximal, submaximal, and nonexercise indirect VO2max estimations at 2600m altitude. High Alt Med Biol. 00:000-000, 2020. Aim: To study the criterion validity of three indirect maximal oxygen uptake (VO(2)max) assessment equations at altitude. Methods: We studied 64 young adults (53% men) at Bogota, Colombia (2600 m altitude). Direct VO(2)max was measured by indirect calorimetry using a maximal incremental treadmill protocol. Indirect VO(2)max was estimated by two exercise field tests (the 20-m shuttle-run test [20-MST] and the 2-km walking test (UKK)) and one nonexercise method (the perceived functional ability-physical activity rating questionnaire [PFA-PAR]). Altitude-adjusted PFA-PAR was estimated as a 13% linear reduction in PFA-PAR. We calculated Lin concordance coefficients (LCC) and standard error of the estimates (SEEs), and we performed Bland-Altman analyses for each indirect method. Results: Mean VO(2)max was 41.2 +/- 5.8 mL/kg/min in men and 32.2 +/- 3.6 mL/kg/min in women. We found the highest agreement with direct VO(2)max for the 20-MST (LCC = 0.79, SEE = 3.91 mL/kg/min), followed in order by the altitude-adjusted PFA-PAR (LCC = 0.71, SEE = 4.12 mL/kg/min), the UKK (LCC = 0.67, SEE = 5.48 mL/kg/min), and the unadjusted PFA-PAR (LCC = 0.57, SEE = 4.75 mL/kg/min). The unadjusted PFA-PAR tended to overestimate VO(2)max, but Bland-Altman analysis showed that this bias disappeared after altitude adjustment. Conclusion: Several maximal, submaximal, and nonexercise methods provide estimates of VO(2)max with acceptable validity for use in epidemiological studies of populations living at moderate altitude.
引用
收藏
页码:135 / 143
页数:9
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