Strength equals maximal voluntary force , which is exerted in a single muscular effort. Development of strength will help stabilize an area against applied forces. Power is Strength and Speed . May allow avoidance of injury by use of an explosive type movement. Muscular Endurance , the ability to perform a series of repetitive muscular contractions.
Flexibility is the range of movement of a joint that the surrounding tissue allows.
Increase extensibility of the tissue may decrease risk of injury to that area. Agility equals Speed plus Coordination. It's the ability to change position or direction rapidly, efficiently, and with precision to avoid injury or a collision. Balance is the maintenance of equilibrium of the body over its base of support. Avoid awkward body positions which may contribute to injury.