Physical fitness is the ability of an individual to perform his/her daily activities with vigour and alertness without undue stress and with enough energy to enjoy his/her leisure time pursuits and to meet unforseen emergencies.Fitness should not be confused with health, although the two are commonly interchanged.To be healthy means to be in a state of well being and free from ailments that is to you are physically, mentally and emotionally ln good state.Maintaining a high level of fitness is a life long challenge.