A measure of a body’s ability to function efficiently, effectively and without injury in work and leisure activities, to pursue recreational activities and to cope with emergency situations. It is a set of attributes that people have or achieve relating to the ability to perform physical activity. It is commonly conceptualised as being made up of health-related components (such as cardiovascular fitness, flexibility, muscular endurance, and strength) and skill-related components (such as agility, balance, coordination, reactions, rhythm, power and speed).