Trail leg drives up, not just back
Trail leg should drive vertically, not horizontally. Most swing errors are trail legs that swing horizontally, costing inversion height.
The swing-up is what converts pole bend into vertical height. Trail leg drives up, body inverts, hips rotate over the bar, top hand pushes off. Here's the breakdown, plus how AI tracks each phase of the swing.
Trail leg should drive vertically, not horizontally. Most swing errors are trail legs that swing horizontally, costing inversion height.
At peak swing, hips should be above the head, body inverted, fully extended along the pole. Anything less wastes pole energy.
At maximum extension, the top hand stays locked above the head. Bending the top arm too early collapses the swing and wastes vertical.
AI extracts the swing frames, trail-leg position, inversion height, top-hand timing. The swing is the technical heart of pole vault, AI grades each phase against the standard.
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Common questions athletes and coaches ask about this topic.
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