Oscar Heidenstam

"There have been many advances in the years since this book first appeared, and great changes in the concept of fitness. Weight training, or resistance exercise, as it is better described, is now part of the routine for those wanting to improve their health and appearance and for sporting and remedial purposes.
Many new types of equipment have been devised and are widely used; these, basically, have the same aim as weight training but are multi-purpose machines for almost every kind of exercise that was, and still can be carried out with ordinary barbells and dumbells."… (mais)