Fifty-mile hikes are not the half of it: gyms are jumping, bar bells are booming, restaurants are splashing safflower oil in all directions. But the major measure of America's continuing fitness fixation is an item small enough to fit in any purse or pocket that costs only $1, yet has floors creaking under the weight of leaping 200-pounders, bedroom windows steaming with the heat of executive pushups, and dogs barking excitedly at the sight of whole families doing leg-overs, toe-touches, and rocking situps.
This is an appropriately slim, trim, red-white-and-blue booklet issued...