PMID: 8614319Dec 1, 1995Paper

Ethnicity affects aerobic fitness in US adolescent girls

Medicine and Science in Sports and Exercise
J M PivarnikW W Wong

Abstract

The purpose of this investigation was to determine whether aerobic fitness (VO2max) differed between black (N = 40) and white (N = 53) adolescent girls who were similar in age (13.5 yr) and percent body fat (24.6%). Expired gases were collected continuously while each girl performed a standard Bruce protocol to volitional exhaustion on a motorized treadmill (TM). Heart rates (HR) were measured during the exercise testing via telemetry. Fat-free mass (FFM) was estimated with total body electrical conductivity (TOBEC). Average (+/- SD) maximum HR (black = 194 +/- 7; white = 198 +/- 8) and respiratory exchange ratios (black = 1.17 +/- 0.08; white = 1.22 +/- 0.09) did not differ between subject groups. Aerobic fitness was significantly lower (P < 0.01) lower in black versus white girls when VO2max was expressed relative to body weight (31.8 +/- 5.8 vs 38.5 +/- 6.8 ml.kg(-1).min(-1)) and body weight raised to the 0.67 power (120.9 +/- 19.5 vs 138.5 +/- 20.7 ml.kg(-0.67).min-1). Treadmill time to exhaustion was significantly less (P < 0.01) in the black (8.49 +/- 1.30 min) versus white (9.41 +/- 1.60) subjects. Also, black subjects demonstrated less ability to utilize O2 during maximal exercise at a given FFM. This suggests the black...Continue Reading

Citations

May 8, 2008·Medicine and Science in Sports and Exercise·Timothy G LohmanLarry S Webber
Mar 5, 2016·Journal of Sports Sciences·Catherine GammonLorraine B Robbins
Dec 20, 2002·Obesity Research·Leonard H EpsteinCaryn Lerman
Nov 5, 1999·Preventive Medicine·C H LindquistM I Goran
Aug 8, 2014·Research Quarterly for Exercise and Sport·Mallory R MarshallJames M Pivarnik
Jun 10, 2009·Clinics in Sports Medicine·David C LiebMark D DeBoer
Jun 14, 2017·Progress in Cardiovascular Diseases·Damon L SwiftTimothy S Church
Jul 21, 2004·International Journal of Obesity and Related Metabolic Disorders : Journal of the International Association for the Study of Obesity·G R HunterB E Darnell
Aug 21, 2004·Pediatric Research·Joseph L AndreacciSilva A Arslanian
Nov 30, 2007·Medicine and Science in Sports and Exercise·Karin A PfeifferRussell R Pate
Sep 9, 2005·Pediatric Research·Joseph L AndreacciSilva A Arslanian
Dec 15, 2004·Medicine and Science in Sports and Exercise·Michael W Beets, Kenneth H Pitetti
May 18, 2006·American Journal of Physiology. Endocrinology and Metabolism·Bovorn SirikulBradley R Newcomer

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