BY

Backward Crazy

Backward Crazy Definition

A backward-entry slalom trick performed on inline skates where the skater traverses cones in a "crazy" pattern (alternating S-curves) while moving backward. Characterized by:

  • Stance: Dominant foot on heel wheels, lead foot on toe wheels

  • Motion: Hip-driven lateral swings with asynchronous upper/lower body rotation

  • Key Challenge: Maintaining COG (center of gravity) behind the direction of travel


BACKWARD CRAZY ANALYSIS (V2.1 INTEGRATED)

Classification: B-tier • Adaptive Multiplier: 1.4x (Fatigue-Adjusted)


① CLASSIFICATION EVOLUTION

Competition Utility:

- WSSF Rule 4.1e Backward Bonus: +0.3x Multiplier

- Gate Density: 5 cones/sec minimum for "Rhythm Bonus"


② TECHNICAL EXECUTION

Kinetic Chain (V2.1 Autocorrect Enabled):


③ GEAR IMPACT

AI Biofeedback Prescriptions:

- Pressure Sensors: Enforce 60/40 front-rear weight distribution during transitions

- IMU Array: Live hip-knee alignment tracking (±3° tolerance)

- Haptic Response: 3-pulse warning at 0.8s pre-ankle sprain threshold


④ COACHING PROGRESSIONS

Tiered Neural Acceleration:


⑤ COMBO PATHWAYS

Optimal WSSF Chains:

1. Backward Crazy → Cross Acid (A)

- Transition: Convert lateral momentum to vertical force (>3x BW)

- WSSF Bonus: ×1.8 difficulty multiplier (Rule 5.3d)

2. Volt (B) → Backward Crazy

- Kinetic Hack: Use heel-pressure stability from Volt for smoother entry

- Timing Save: 0.3s faster than isolated execution


⑥ PHYSICS & SAFETY

Auto-Interventions:

  • Peroneal risk: Auto-reduce pivot angle by 5°

  • L5/S1 risk: Activate core bracing sequence


⑦ MASTERY METRICS

Fatigue-Adjusted Benchmarks:


⑧ PRO TIP

WSSF Rule Exploit:

> *"Initiate with 10° pre-rotated shoulders → cuts entry time to 0.25s (qualifies for Rule 7.3c 'Fluid Entry Bonus' +0.4pts).

> Combine with Cross Acid for 23% higher density scoring."*


V2.1 COMPETITION INTELLIGENCE

Scoring Algorithm:

Output: Fresh execution = 15.8pts • Rep 6 = 12.1pts


INJURY PROFILE (CASE-STUDY MODE)

High-Risk Scenario:

- Mechanism: Over-rotation → 28° inversion → peroneal strain

- V2.1 Intervention:

- Haptic warning @ 0.82s pre-failure

- Auto weight shift + pivot reduction

- Risk mitigation: 92% effective in mocap trials


Visual Resource