The Definitions of the 5 Components:
Muscular Strength: Muscular strength is ability of a muscle to exert a maximal force through a given range of motion or at a single given point.
Muscular Endurance: Muscular Endurance refers to the capacity of a muscle to exert a submaximal force through a given range of motion or at a single point over a given time.
Cardiovascular Endurance: Cardiovascular Endurance is the ablity to continue training the cardiovascualr system for a period longer than twenty minutes (on average).
Flexibility: Flexibility is the ability of a joint to move through a full range of motion.
Body Composition: Body Composition is the ratio of lean body mass to fat body mass.