In 2008,approximately 27% of adults participated in leisure-time strengthening activities, an distinguished component of overall physical fitness. Among all age groups except those aged 65-74 years, or men were more likely than women to engage in leisure-time strengthening activities. The percentage of men who engaged in leisure-time strengthening activities decreased with age,from 47% at age 18-24 years to 16% at age >=75 years. The percentage of women who engaged in leisure-time strengthening activities decreased with age, from 28% at age 18-24 years to 11% at age >=75 years.
Source: cdc.gov