José Ramírez Bat Waggle & Swing Kinematics Lab

Kinematic Whip Simulation Engine PRE-PITCH OSCILLATION (3.2 Hz)

Barrel Lag: 41.8°

Contact Quality: Barrel / Sweet Spot

Kinetic Energy Transfer Chain Waggle Momentum Pre-Loaded

1. Pelvis Rot

680 °/s

2. Torso Torque

840 °/s

3. Hand Path

22.4 mph

4. Barrel Release

74.8 mph

Biomechanics Controls & Pitch Matrix Preset Configurations

Swing Presets

Waggle Freq (Hz) 3.2 Hz

Waggle Amplitude 18.5°

Wrist Snap Torque 142 Nm

Dynamic Attack Angle 12°

Strike Zone

Pitch Selection

Location: Middle-In | Pitch: 95mph Four-Seamer

Bat Speed

74.8 mph

+3.8 mph vs quiet

Exit Velocity

103.4 mph

xBA .820 (Barrel)

Launch Angle

18.2°

Optimal (15-22°)

Time to Contact

145 ms

94.2% Sweet Spot

Biomechanical Insight: Ramírez's pre-pitch bat wiggle (3.2 Hz, 18.5° amp) keeps his forearm flexors dynamic rather than static. This eliminates initial inertia drag, allowing the hands to deliver the barrel with 145 ms quickness and generating a snap whip of 74.8 mph at contact.