Velocity isn’t just an arm story; recent research shows the trail hip and lead knee play a major role in how efficiently energy is transferred up the chain. Higher velocity throwers demonstrate better sequencing, including delayed pelvic rotation, faster trail hip extension after foot contact, and well-timed lead knee extension that supports rotation without overloading the elbow. The takeaway for coaches isn’t to chase isolated joint positions, but to train coordinated lower-body sequencing that drives sustainable velocity.
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