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Fred Duncan
@Fred__Duncan
The glutes and the hip extensors as a whole are heavily involved in sprinting.

What’s important is understanding what this research actually shows. This is correlation, not causation.

Bigger glutes don’t automatically make someone fast. But athletes who sprint at high levels
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Fred Duncan
@Fred__Duncan
consistently possess well developed hip extensors, because these muscles are responsible for producing force, stabilizing the pelvis and transmitting energy from the lower body into powerful ground contacts.

Strength gives you the capacity. Sprinting gives you the
Fred Duncan
@Fred__Duncan
coordination to use it. You don’t develop one in isolation. You develop both together.

This is exactly how my programs are built:

Project Speed Bundle, my most comprehensive resource, covering sprint mechanics, strength training, plyometrics, programming, and how everything
Fred Duncan
@Fred__Duncan
fits together.

Strength X Speed, a structured entry point for building strength, power, and introducing sprinting safely and effectively.

Custom Remote Programming, fully individualized based on your training history, goals, and needs.
Fred Duncan
@Fred__Duncan
Fred Duncan
@Fred__Duncan
Two athletes can squat the same weight, but the one who can produce force faster is the one who often jumps higher, accelerates faster and wins the play.

RFD determines how quickly force can be expressed. And in sprinting, ground contact times often occur within 80–200
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