1. Graduate Biomechanics Biomechanics of Throwing Fall 2007

2. Applied Biomechanics Biomechanics of Throwing Objectives in Throwing Activities Maximum Distance

3. Applied Biomechanics Biomechanics of Throwing Objectives in Throwing Activities Maximum Distance Maximum Accuracy

4. Applied Biomechanics Biomechanics of Throwing Objectives in Throwing Activities Maximum Distance Maximum Accuracy Speed and Accuracy

5. Applied Biomechanics Biomechanics of Throwing Maximum Distance Determining Factors Release velocity Release angle Release Height Aerodynamics

6. Applied Biomechanics Biomechanics of Throwing Maximum Distance Determining Factors Release velocity Greater release velocities produce greater distance

7. Applied Biomechanics Biomechanics of Throwing Maximum Distance Gravity produces a constant acceleration that acts on the projectile from release to landing, causing the projectile to follow the path of a parabola. Determining Factors Release velocity Release angle

8. Applied Biomechanics Biomechanics of Throwing Maximum Distance Determining Factors Release velocity Release angle Distance Angle Optimum release angles produce the greatest distances

9. Applied Biomechanics Biomechanics of Throwing Maximum Distance Greater release heights produce greater distance Determining Factors Release velocity Release angle Release Height

10. Applied Biomechanics Biomechanics of Throwing Maximum Distance Determining Factors Release velocity Release angle Release Height Aerodynamics Lift

11. Applied Biomechanics Biomechanics of Throwing Maximum Accuracy Determining Factors Release Point Throwing Arc

12. Applied Biomechanics Biomechanics of Throwing Maximum Accuracy Determining Factors Release Point Release Point

13. Applied Biomechanics Biomechanics of Throwing Maximum Accuracy Determining Factors Release Point The ball follows a path that is a tangent to the release point on the arc of the throwing motion.

14. Applied Biomechanics Biomechanics of Throwing Maximum Accuracy Determining Factors Release Point Throwing Arc

15. Applied Biomechanics Biomechanics of Throwing Speed and Accuracy Determining Factors Kinetic Chain Throwing Arc Release Point Aerodynamics

16. Applied Biomechanics Biomechanics of Throwing Aerodynamics – “The Curve Ball” Why Does a Ball Curve in Flight ????? The Magnus Effect

17. Applied Biomechanics Biomechanics of Throwing The Magnus Effect Related Factors Ball Velocity – linear Ball Velocity – angular Surface Roughness High Pressure Low Pressure

18. Applied Biomechanics Biomechanics of Throwing The Magnus Effect