Initializing hill physics...

Rider Profile

Age 32 yrs

Mass 84 kg

Height 183 cm

Core Strength 65%

Prior Slides 0

Cardboard & Hill

Cardboard Type

Hill Moisture 15%

Grass Length 25 mm

Ambient Temp 22 °C

Veteran Presets

Biomechanics Analysis

Peak Velocity—m/s

Max G-Force—g

Stop Distance—m

Impact Force—kN

Knee Load—×BW

Spine Compression—×BW

Slide Duration—s

Injury Risk—

Low Risk Moderate High Risk Severe

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The Tradition: Since 2017, the MLB Little League Classic at Lamade Stadium features players sliding down the 30-foot (9.1m) berm beyond the outfield fence on cardboard—a rite of passage celebrating baseball's youthful spirit.

Biomechanics: Veterans face disproportionate risk: reduced cartilage hydration, slower reflexes, and higher mass amplify joint loads. Knee compression >4× body weight and spine compression >6× BW correlate with meniscal tears and vertebral endplate fractures.

Physics Model: Inclined plane with velocity-dependent friction μ(v)=μ₀(1+αv), air drag Fd=½ρCdAv², and impulse-based impact at the 3m runoff zone. Coefficient calibrated from 2017–2023 player tracking data.