Marine Corps Initial Strength Test (IST)
Military.com | By Stew Smith
The USMC Physical Fitness Test is administered every six months. All Marines are provided time to train and are expected to maintain an adequate degree of physical fitness.
The standard physical fitness test consists of three events that measure cardiovascular endurance, muscular strength and endurance and mobility.
The Initial Strength Test (IST) for Recruits
https://www.military.com/military-fitness/marine-corps-fitness-requirements/marine-corps-fitness-test
