HITTING STUDY
Description: Tracking the body’s center mass (BCM) and posture from start to finish.
Center of head relative to center of mass _____
Spinal pitch in the stance _____
Spinal pitch at foot strike _____ CM relative to ground ____
Spinal pitch at contact _____ CM relative to ground _____
Description: Hitters movement in relationship to pitcher. Length of swing cycle, first movement out of rhythm, forward CM movement - foot strike, launch - contact, contact - finish.
Length of Swing Cycle _____
First Movement out of Rhythm _____
Forward CM movement Foot Strike _____
Launch to Contact _____
Contact to Finish _____
Description: Peak height of the lifting leg ball of foot
Peak height of hitting leg ball of foot _____
Description: Linear displacement, start (stance), foot strike (stride X & Z), swing (contact) % of body height
Base at Stance _____
Base at Foot Strike _____
Base at Contact _____
Stride Length X _____
Stride Length Z _____
Description: Peak BCM velocity into foot strike
Peak Linear Velocity _____
Description: The “turned out” angle of the front foot Relative to the front edge of home plate
Foot Strike Angle _____
Description: Linear displacement. Head Tilt, Head movement on the X, Y & Z axis from foot lift to foot strike (head tilt)
Head Tilt Stride _____
Head Movement Stride X_____
Head Movement Stride Y_____
Head Movement Stride Z_____
Description: How far the BCM. drifts forward after directional shift (linear to angular) (launch to contact) Angles, velocities and displacements of the back side.
Block _____
Front Knee Velocity _____
Back knee peak Velocity _____
Back knee angle at Contact _____
Back foot Displacement _____
Description: Peak disassociation in degrees of the upper half of the body (Shoulder line) from the lower half of the body (Hip line) and the % of swing cycle
Kinetic Link _____
Description: Angles, velocities, displacements and trajectories parabolas of the body’s contributing segments
Contributing segments _______
Description: The location of the center axis of which the body rotates around
Axis of Rotation _______
Description: The relationship between the body’s rotation and bat movement
Bat Lag _______
Description: Peak angular velocity of the bat head
Bat Speed _____
Description: Elapsed time from the launch of the bat until contact is made
Bat Quickness ________
Bat Tip X _______
Bat Wrap Y _______
Front Arm Launch Angle _______
Description: Head tilt, head movement on the X, Y & Z axis from launch to contact
Head Tilt Swing _____
Head Movement Swing X_____
Head Movement Swing Y_____
Head Movement Swing Z_____