C.Mature stage
1.arm is swung backward in preparation
2.opposit elbow is raised for balance as a preparaory action in the throwing arm
3.Throwing elbow moves forward horizontally as it extends
4.forearm rotates and thumb points downward
5.Trunk markedly rotates to throwing side during preparatory action
6.Throwing shoulder drops slightly
7.Definite rotation through hips, legs, spine, and shoulders during throw
8.Weight during preparatory movement is on rear foot
9.As weight is shifted, there is a step with opposite foot