Fashion
Hollywood output of a muscle is usually called the strength (power), the force that generates tension in the muscle contraction so that the muscles contract to produce the work.
Work
Work is defined as the action of a force that passes through a certain distance in a space. In the human body, the work is a product of muscle force generated by a specific ROM.
Power
Power is the level or degree of work being done. In muscle action, the output power is the force of muscle contraction at a certain speed.
Endurance
The capacity of muscle contraction at a certain speed for a certain time interval.
Muscles are able to work at varying intervals and is able to maintain employment for a certain period, if it fails to produce power (strength) which satisfy the muscle consists of one or more muscular role in the movement had weaknesses. A decrease in muscle strength can cause malfunction of joints and functional disability in activities of daily activities.