Approved for public release; distribution is unlimited.

FM 21-20
C1

CHANGE 1

HEADQUARTERS
DEPARTMENT OF THE ARMY
Washington, DC, 1 October 1998

PHYSICAL FITNESS TRAINING

1. Change FM 21-20, 30 September 1992, as follows:

REMOVE OLD PAGES

INSERT NEW PAGES

14-21 to 14-22

14-21 to 14-22

2. A star (*) marks new or changed material.

3. File this transmittal sheet in front of this publication.

By Order of the Secretary of the Army:

DENNIS J. REIMER
General, United States Army
Chief of Staff

Official:

Administrative Assistant to the
Secretary of the Army

Distribution:
Active Army, Army National Guard of the United States, and the U.S. Army Reserve. To be distributed in accordance with Initial Distribution Number (IDN) 110165, requirements for FM 21-20.

• Table of Contents
• Chapter 1 - INTRODUCTION
• Chapter 2 - CARDIORESPIRATORY FITNESS
• Chapter 3 - MUSCULAR ENDURANCE AND STRENGTH
• Chapter 4 - FLEXIBILITY
• Chapter 5 - BODY COMPOSITION
• Chapter 6 - NUTRITION AND FITNESS
• Chapter 7 - CIRCUIT TRAINING AND EXERCISE DRILLS
• Chapter 8 - OBSTACLE COURSES AND ADDITIONAL DRILLS
• Chapter 9 - COMPETITIVE FITNESS ACTIVITIES
• Chapter 10 - DEVELOPING THE UNIT PROGRAM
• Chapter 11 - PHYSICAL TRAINING DURING INITIAL ENTRY TRAINING
• Chapter 12 - ENVIRONMENTAL CONSIDERATIONS
• Chapter 13 - INJURIES
• Chapter 14 - ARMY PHYSICAL FITNESS TEST
• APPENDIX A - PHYSIOLOGICAL DIFFERENCES BETWEEN THE SEXES
• APPENDIX B - POSITIVE PROFILE FORM
• APPENDIX C - PHYSICAL FITNESS LOG
• APPENDIX D - STATIONARY BICYCLE TEST
• APPENDIX E - SELECTING THE RIGHT RUNNING SHOE
• APPENDIX F - CALCULATIONS OF VO2 MAX
• APPENDIX G - PERCEIVED EXERTION
• APPENDIX H - THE MAJOR SKELETAL MUSCLES OF THE HUMAN BODY
• PREFACE
• GLOSSARY
• REFERENCES
• AUTHORIZATION LETTER