Physical fitnes

Physical fitness is one factor supporting the activities of daily living. Physical fitness can be aided by doing regular exercise. Sport is a means for the prevention of occupational diseases. Through efforts to increase physical health, at least everyone can maintain and even improve his physical fitness. One's physical fitness is influenced by several factors such as age, gender, genetics, food intake and smoking habits.
Judging from the science of physiology, physical fitness is the ability and the body's ability to perform physical load penyesuaiaan given to him (to work every day) without causing excessive fatigue.
Benefits of physical fitness:
a. With increasing workforce physical fitness, then the rate decreased clinic visits.
b. With increasing physical fitness employment, sickness absence rates will decline.
c. A workforce with skills that increase the body's well received so that the workload does not decline.
d. With physical fitness exercises can then be used as a means of communication and recreation.

Components of physical fitness related to health:
a. Body composition
The composition of the body fat percentage from total body weight and body mass index. Fat will increase after the age of 30 years and will decline after the age of 60 years. Tool to measure the so-called fat callipers.
b. Flexibility or flexibility of the body
Flexibility or flexibility of the body is wide maximum field of motion in joints without being affected by coercion.
c. Muscle strength
The resulting maximum muscle contraction is the ability to generate tension against a resistance or pressure. Muscles tend to be stronger men than women because men have muscles hormone testosterone as well as more male activity.
d. Durability cardiac pulmonary
Endurance is the ability of cardiac pulmonary heart, lung, and blood vessels to function optimally at work in making the most of O2 or also called VO2.
e. Muscle endurance
Muscle endurance is the ability of contraction ontuk submaksimal repeatedly or continuously contracting.

Rules that must be considered in conducting physical fitness training:
a. Frequency, waged a good exercise at least 3 times a week, on alternating days daily mean hose.
b. Heavy intensity exercise means provided does not result in harmful effects, heart rate reactions can be used as a reflection of the loading reaction. Expenses that can be accepted by the heart ranged 60-80% of maximal strength of heart.
c. Tempo training has the meaning of the term or duration of training provided in order to provide benefits. Research shows exercise duration between 20-30 minutes is sufficient to give rise to the ability by 35% when performed three times a week.
Exercise performed 30 minutes will give effect to us, that will increase blood circulation and break the fat and cholesterol metabolism. Not all risk factors that happen to us can be treated but can be prevented.