Human movement is made possible by force development
in muscles acting across the levers of the skeletal system. The
force or torque a muscle or muscle group can generate is
referred to as strength whereas power has been defined as the
rate of performing work or the product of force and velocity
(Komi, 1992; Sale, 1991). The application of strength and
power usually occur under conditions delimited by posture,
contraction type and movement pattern (Harman, 1993;
Komi, 1992; Sale, 1991). Such a definition implies that
strength or power has many manifestations, is very specific
and should be measured within a functional context. In terms
of measuring functional power of the lower body the single