Gender And Age-Specific Physical Fitness Targets To Improve Exercise Prescription And Disease Prevention

Robert Robergs

Research output: Book chapter/Published conference paperConference paper

Abstract

For optimal health benefit, the target VO2max values for 50 year old men and women are 47.3 and 38.5, mL/kg/min, respectively. discussion The data revealed that physiologically and on average, males and females are capable of retaining a surprisingly high VO2max into old age. Despite estimates for the gender specific health benefit fractions of VO2max, the resulting 100% target VO2max values for specific percentile scores are reasonable based on public health recommendations for at least 30 min/day of continuous moderate to vigorous physical activity. The fact that most elderly individuals do not have this physical fitness reveals the extent of detraining evident during aging in most western societies. Clearly, the frailty of aging is due to physical de-conditioning. The computed VO2max data percentiles provide an objective target that will allow improved exercise prescription and training.introduction Research indicates a greater role for physical fitness than accumulated physical activity in disease prevention. Similarly, there is mounting need for viewing 'exercise as medicine' in the prevention and rehabilitation of sedentary lifestyle diseases. Determining objective gender and age specific targets for physical fitness will improve the prescription of 'exercise as medicine'. methods Data was acquired from prior published research for the decrement in the maximal rate of oxygen consumption (VO2max) with increasing age for male and female subjects who were either sedentary (SED), or of elite Masters (EM) caliber who sustained training to late in life. From these data series, age at peak VO2max was determined, as well as the linear decrement in VO2max per year. Peak female VO2max was assumed to occur at the same age as males, be 10% less than males, and have the same rate of decrement with aging. Based on the linear decrement in VO2max per year, computations were completed for target VO2max for men and women, for ages 30 to 72 years using resting metabolic rate as
Original languageEnglish
Title of host publicationBe Active 2012
Subtitle of host publication4th International Congress
PublisherElsevier
Pages873 (abstract)
Publication statusPublished - 2012
EventInternational Congress on Physical Activity and Public Health, Australian Conference of Science and Medicine in Sport and the National Sports Injury Prevention Conference - Sydney, Australia
Duration: 31 Oct 201203 Nov 2012

Conference

ConferenceInternational Congress on Physical Activity and Public Health, Australian Conference of Science and Medicine in Sport and the National Sports Injury Prevention Conference
CountryAustralia
Period31/10/1203/11/12

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