Hopping and throwing Flashcards
Hopping (LEG ACTION)
Momentary flight, swing leg high and inactive
fall and catch, swing leg inactive front as body leans forward (repeat several hops)
swing leg assists, projected take-off, pumping of swing leg
swing leg leads, carries behind support leg, smooth transfer
Hopping (ARM ACTION)
Inactive (high and to side) reactive movement and maybe winging bilateral assist (up and down together ) semi opposition opposing assist
Over Hand throwing
Prepatory backswing ( no backswing)
elbow and humerus flex
circular upward
circular downward
Expert thrower example
long step with opposite foot
at least half body length
Over Hand throwing (TRUNK ACTION)
NO trunk action or anterior posterior action
upper trunk or blocked rotation
differentiated trunk rotation
Over Hand Throwing Forearm
Forearm 1. No forearm lag. Ball and arm move together.
2. Ball may proceed the arm (shot put)
3 Dart Board (forearm lag) Forearm is behind the shoulder then humerus
4.Delayed forearm lag ( forearm going back while shoulders are going forward
Forearm waits for shoulder to be square before starting front- last thing moving forward
torque in shoulder
More over hand throwing ( Humerous action)
- Humerous not involved
- Oblique- elbow front or up ( Humerus aligned but independent
3 Humerus proceeds shoulders forward (Humerus lag) - Humerus moves forward after shoulders are front before forearm