components of fitness-physical. Flashcards
Aerobic endurance
The ability of the cardio respiratory system to work efficiently, supplying nutrients and oxygen to working muscles during sustained physical activity.
Muscular endurance
The ability of muscular system to work efficiently where a muscle can continue contracting over a period of time against a light to moderate fixed resistance load.
Muscular strength
The maximum force (in Kg or N) that can be generated by a muscle or muscle group.
Flexibility
Having an adequate range of motion in all joints of the body; the ability to move a joint fluidly through its complete range of movements.
Speed
Distance divided by the time taken. Speed is measured in metres per second (m/s). The faster an athlete runs over a given distance, the greater their speed.
Body composition
The relative ratio of fat mass to fat free mass (vital organs, muscle, bone) in the body.