FM 21-20 BASIC FIELD MANUAL PHYSICAL TRAINING (This manual supersedes ch. 4, BFM, vol. I, March 26, 1936, and TR 115-5, Part II, September 10, 1928.) CHAPTER 1 GENERAL 1. NEcESrrrY OR PrYSIcAL TRAINING.-TO perform his duties satisfactorily, the soldier must possess great organic vigor, muscular and nervous strength, endurance, and agility. The average recruit does not possess the degree of physical fitness required of a trained soldier. The required degree of physical fitness can be acquired only through physical training. The performance( of purely military exercises, that is, drill, marching, etc., is not alone sufficient to correct the deficiencies and incorrect postures too often acquired before becoming a soldier.
DesignationFM 21-20
EditionJan 1941
StatusSuperseded
Pages215
FunctionLeadership Training
CollectionHistoric
Public domain (U.S. Government work)