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Psych development
CH 8 Sidearm/overarm Development of Ballistic Skills (final)
Question | Answer |
---|---|
Sidearm striking | is a form of striking where the arm remains at or below shoulder level baseball swing |
Characteristics of Early Sidearm Striking | -Arm swing only -Facing the ball -swing down rather than sideways |
Proficient Sidearm Striking | Stepping into the hit Differentiated trunk rotation Swinging through a full range of motion Extending arms just before contact |
Developmental Changes in Sidearm Striking | striker stands sideways use of trunk rotation Plane of their swing (vertical -> oblique -> horizontal plane) Longer swing power grip |
Overarm striking | is a form of striking where the arm travels above the shoulder level tennis serve |
Characteristics of Early Overarm Striking | -no back swing -no trunk rotation -arm is flexed/collapsed elbow -arm and racket move together -ball contact is low |
Proficient Overarm Striking | -trunk rotation occurs -racket lags behind arm -Ball contact is high |
Older Adult Striking | Many older performers can be as accurate as younger performers when strength and flexibility demands are not high, |
How do you think striking changes for older adults? | less ROM less accuracy &distance |
Dodo Cheney's favorite moment | Mother daughter tournament |
Most older adult research in | in tennis and golf because of a larger senior following and established senior program |
is an overarm or forehand strike a life long skill? | well-practiced movement patterns might be well maintained over the life span |
Proficient performance in ballistic skills | obeying mechanical principles for maximizing force and speed |
Power grip | Shake-hands grip |