Knee – The Time Gate of the Kinetic Chain (from GRF to Whip)
Chủ đề: Footwork · Bộ sưu tập: Thư Viện Hình Ảnh Tennis
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| 🇻🇳 Tiếng Việt | 🇺🇸 English |
|---|---|
| Gối là transmission node: Preload (split-step 0ms) → Absorb (0-100ms) → Redirect (100-200ms) → Rotate & Accelerate (200-400ms) → Recover. | Knee as transmission node in 5-stage timeline. Elastic vs Muscular knee comparison. |
Watermarked & shipped by Henry Phạm Đức · 2026-06-29