Gymnastics & Tumbling - CrossFit
out-of-print book titled Gymnastics and Tumbling. First published by the U.S. Navy in 1944, Gymnastics and Tumbling is today an obscure reference in danger of extinction. We believe it is an indispensable resource for CrossFitters and intend to keep it alive. Shortly after the United States’ entrance into World War II, the United States Navy implemented a physical training program for future ...