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Eddie Eisert

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KVest DataForce Plate DataEfficienciesDefficiencies

KVest Data

Eddie creates a 1-2-3-4 swing patter (pelvis, torso, upper arm, hand).  Pelvic deceleration time is 90 milliseconds.  Torso deceleration time is 112 milliseconds.  The torso is counter rotated -41.32 degrees at first move while the pelvis is counter rotated -23.15 degrees at first move.  The X-factor stretch (hip/shoulder separation) is -22 degrees at first move and -7 degrees at contact.

 

Speed Gains:

Pelvis to Torso: 372 deg/sec.

Torso to Upper Arm: 49 deg/sec.

Upper Arm to Hand: 888 deg/sec.

Force Plate Data

Z-axis is the vertical force produced (up & down : in % of body weight)

X-axis is the horizontal force produced (back to front : in % of body weight)

Torque is rotary force in the ground (in Newtons (N) of force)

Z-Back: 96-101%

Z-Front: 137-165%

X-Back: 12%

X-Front: 47-69%

Torque- Back: 40-42N

Torque- Front: 141-188N

Rate of Force Development (Vertical): 239 milliseconds

Rate of Force Development (Horizontal): 171 milliseconds

Rear Foot Pressure: Whole 

EFFICIENCIES

  • In sequence
  • Pelvic deceleration
  • Torso deceleration
  • X-factor stretch
  • Pelvis to torso speed gain
  • Upper arm to hand speed gain

Defficiencies

  • Torso to upper arm speed gain
  • Overall ground force production
  • Counter rotation (load to advance)

The Epidmic of American Hitters Over coaching a "short" swing leads to
pushing the bat. http://www.elitebaseball.tv/blog/category/...
members-only-blog-preview/...

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