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Infographic titled "Maximum Velocity (30–70 m)" explaining sprint mechanics with a stick-figure leaning forward and upward arrow, notes on ribcage stacked over pelvis and neutral head, graphs showing peak force early in stance and ultra-short contact, text about foot-ankle stiffness storing and releasing elastic energy with cue "Hit early, leave early," and foot-spring illustrations contrasting "too much give wastes energy" with a "rigid lever, more efficiency" summary.

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