Largest Cities in Missouri State. Below is a list of some of the largest cities in Missouri ranked by population. Select a city to view an interactive map, list of zipcodes and current weather of that city. Kansas City, MO. Population: 441,545 (US Census 2000).
But a major new review just published in Pediatrics, together with a growing body of other scientific reports, suggest that, in fact, weight training can be not only safe for young people, it can also be beneficial, even essential.
When Is a Child Old Enough for Weight Lifting? Lifting weights is safe for kids, provided they are mature enough to follow instructions and use proper technique. Around age 8, many children can grasp the concept of strength training and work it into their active lifestyle.