Muscles

Power starts with the movement of muscles. The human body contains over 400 muscles that are divided into two classes: smooth and striated. Smooth muscles perform the involuntary functions of the body, such as circulation and digestion. Striated muscles may be voluntarily contracted, such as muscle groups in the arms and legs. These muscles are the source of power.\

Power Comes When Muscles Contract

If a muscle is stretched, it will contact more forcibly than it would had it not been stretched. However, the stretching must immediately precede the contraction.

Power depends upon

• Softness (elasticity) of the muscles and ability to change from soft to hard and from hard to soft in a split second (soft during advance, hard at contact, and then soft on retract).
• Coordination of all muscles and joints in direction of movement with the right sequence and timing.
• Correct timing of muscle contraction-expansion in relation to timing of the movement of the joints.
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