Following are the Components of Physical fitness :

1. Speed: Speed is the ability of a person to execute motor movements with high speed in the shortest period of time. It is equal to the distance covered per unit of time. the element of speed is involved in most of the athletic skills such as in sprint running, some skills of soccer, basketball, etc.

2.Strength: Strength is the ability of a muscle to expert or release force by contraction enabling a person to overcome resistance or to act against resistance.

3. Power: Power is the ability of muscle to release maximum force in the shortest period of time. It is equal to force multiplied by speed. It is the combination of strength and speed. Speed and force must be combined for effective performance in activities like baseball throw, jumps for height, football kick, boxing punch,etc.

4. Endurance :Endurance is the ability of the person to perform movement of moderate (Sub-maximum) contractions over prolonged period of time under conditions of fatigue or tiredness. It is the product of all psychic and physical energy of human body.

5. Flexibility : Flexibility is the ability of a muscle to perform movements with large range of motion.

6. Agility : Agility is the ability of a person to change positions in space or to change directions quickly and effectively e.g. football player quickly changes direction or giving dodge to opponent, hurdle crossing over the barrier or hurdles, zig-zag running, etc.

7. Balance : Balance is the ability of a person to control human body or to maintain equilibrium under static and dynamic conditions e.g. hand stand, skating, skiing, catching a fly in baseball, etc.

- By Body Health Blog .

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Help answer the question about fitness

How much fitness do i need 2 do to start using whey protein powder?
i do 30 minutes running every day, i eat healthy and do a variety of weights every day as well as sit ups press ups. im thinking about buying whey protein powder but don't know if this is enough fitness to start using protein powder??