PITCHING STUDY

 

  1. Balance & Posture (Positional Movement)

Description: Tracking the body’s center of mass (BCM) and posture from start to                                 finish

Center of head relative to center of mass _____

Spinal pitch at peak height lifting leg _____

Spinal pitch at foot strike _____

Spinal pitch at Release _____

 

  1. Pitch Tempo  

      Description:  Movement Time

Length of pitch cycle _______

First movement to ball release _______

First movement to foot strike _______

First forward movement to foot strike _______

Peak disassociation and the % of pitch cycle _______

Foot Strike to Ball Release _______

 

  1. Leg lift

      Description:  Peak height of the lifting CM knee and the % of body height.

Peak height of lifting knee _______

Knee angle _______

Ankle angle _______

% of body height _______

 

  1. Linear Velocity

      Description:  Peak BCM velocity into foot strike

Linear Velocity _______

 

  1. Stride length 

Description: The displacement of the striding ball of foot from the front of the rubber at foot strike, (X & Z) and the % of body height

Stride Length X _______

Stride Length Z_______

% of Height _______

 

  1. Foot Strike Angle

Description: The angle of the front foot as the front heel reaches the ground.         Relative to the front edge of the rubber

Foot Strike Angle _______  

 

  1. Blocking

      Description: Foot strike knee angle and glove arm movement

            Glove arm movement _______

Front knee angle _______

Back knee peak velocity_________

Back knee angle at release ________

 

8.      Kinetic Link    

      Description: The peak disassociation in degrees of the upper half of the body from the lower half / % of pitch cycle                   

      Kinetic Link _______  % of pitch cycle ___                                                              

9.      Segment Contributions   

      Description: Angles, velocities, displacements and trajectories parabolas of the body’s contributing segments                                                                 

      Contributing segments _______

10    Axis of Rotation                                                                                          

      Description: % of stride length                                                                              

      Axis of Rotation _______

  1. Torso flexion & Velocity

Description: Peak torso flexion and torso velocity on the x axis

          Torso Flexion _______

          Torso Velocity _______

 

  1. Arm Action  

Description:

Elbow Joint Angle at foot strike and release (degrees) _______

Throwing/lead arm alignment (displacement angle between upper arms) ____

Elbow/Shoulder acceleration angle (height of elbow relative to shoulder) _____

Shoulder angle of arm relative to torso/spine (degrees)

      Horizontal Abduction _______

      External Rotation _______

      Hyper extension _______

Horizontal flexion of shoulder joint _______

Internal rotation of humerus _______

Elbow extension _______

Wrist & Finger flexion _______

Deceleration _______

 

 

  1. Arm Velocity

Description: Peak forearm, wrist, hand, finger and ball velocity

Forearm _______

Wrist _______

Hand _______

Middle Finger _______

Ball _______

 

  1. Release Point

Description: The displacement from the rubber to the throwing hand, Front of the rubber to post leg ball of foot and glove wrist relative to stride ball of foot

Distance from the rubber to the throwing hand _______

Front of the rubber to post leg ball of foot _______

Glove wrist relative to stride ball of foot _______

 

  1. Head Movement

Description: Head movement on the X, Y & Z axis

Head Tilt at Foot Strike _______

Head Tilt at Ball Release _______