If you hang around strength and conditioning long enough, you’ll hear debates about things like “knees over toes” and whether it’s good, bad, or somewhere in between. The whole “knees over toes” concept blew up online and forced a lot of coaches to rethink old rules about how joints should move.
Cool. Useful conversation.
But at Skolfield Sports Performance, there’s a different pattern we care about a lot more:
“Knees behind butt.”
In our system, that’s the real fundamental pattern for athletes who need to run faster, jump higher, and change direction with authority.
Why Traditional “Fundamental Patterns” Aren’t Enough
Most training programs are built around the same list of “fundamental movement patterns”:
- Push
- Pull
- Hinge
- Squat
- Carry
- Rotate
That approach works really well for the general population. It builds a strong, balanced base and reinforces the idea of movement before muscles.
But at Skolfield Sports Performance, our athletes aren’t training just to be “balanced” in the gym. They’re training to be faster, more explosive, and more durable on the ice, field, court, or track.
Here’s the problem:
- You can be “pretty good” at all those patterns…
- …and still not be very fast, explosive, or dangerous in your sport.
Why? Because sport is high speed, task specific. What matters most isn’t how you look under a barbell, it’s how you move when the game is chaotic and fast.
That’s where hip extension comes in.
Hip Extension: The Universal Pattern for Sport
At Skolfield Sports Performance, we treat hip extension as the closest thing to a true universal pattern in sport.
Hip extension = driving the hip backward and pushing the leg behind you with purpose.
Every time an athlete:
- Sprints
- Jumps
- Skates
- Changes direction
- Throws or hits with power
…they’re relying on hip extension.
In simple terms:
If you can’t drive your knee behind your butt well, you can’t run well.
It doesn’t matter if it’s a jog, stride, or full sprint.
Traditional lifts like squats and deadlifts do involve hip extension, but they don’t force the athlete into the specific “knee behind butt” position that shows up in high speed running and sport. The angles, timing, and speed are totally different.
That’s why we put so much emphasis on this pattern in our speed and acceleration work at Skolfield.
What Makes a “Good” Hip Extension Pattern?
When we coach athletes at Skolfield Sports Performance, we don’t just ask:
“Can they get their knee behind their butt?”
We dig deeper and ask:
“Can they do it with the right force, velocity, range, control, and repeatability for their sport?”
That’s how we judge the quality of the pattern.
1. Force
Can the athlete push hard enough through hip extension to actually project their body forward?
- Younger athletes often fail here. It’s not a technique issue; they just don’t produce enough force to move their center of mass.
- This is why strength and speed are so tightly connected with youth athletes. As they get stronger in the right patterns, their acceleration usually improves.
2. Velocity
Can they extend the hip fast enough to match the speed demands of the sport?
- Jogging mechanics and sprint mechanics are not the same thing.
- At high speed, the timing of hip extension has to be precise and explosive. Slow, “gym only” strength doesn’t automatically carry over.
3. Range
Do they get enough range behind them to create meaningful propulsion?
- Sprinters usually have plenty of this.
- Team sport athletes often don’t. They might live stuck in an anterior pelvic tilt or never reach true hip extension during games. (Highly prevalent in hockey and field hockey).
4. Control
Can they stabilize the pattern through the whole motion?
- A lot of youth athletes have “more than enough” range, but no control.
- You’ll see flailing limbs, collapsing positions, or poor trunk stability even if the leg technically gets behind them.
5. Repeatability
Can they do it over and over again under fatigue and pressure?
- Plenty of athletes look fine for a few reps.
- The real separator shows up later in the game, when the legs are heavy and decision making is fast.
At Skolfield Sports Performance, these five qualities give us a framework for how we train and what we prioritize for each athlete.
Hip Extension and Sprinting: The Big Three Patterns
When we’re looking at sprint mechanics in our training systems, we focus on three main patterns:
- Hip extension – driving the knee behind the butt
- Hip flexion – driving the thigh forward
- Foot-ground interaction – how the foot strikes and applies force into the ground
The first question we ask is:
Which pattern is failing?
The second question is:
Within that pattern, is the problem force, velocity, range, control, or repeatability?
That’s how we design training at Skolfield, it is based on what actually needs to change, not just “getting stronger” in random directions.
Why This Matters for Your Athlete
If your kid is:
- “Fast in practice but slow in games,”
- Always a step behind the play,
- Or strong in the weight room but not explosive on the field…
There’s a good chance the hip extension pattern, their “knee behind butt” mechanics, isn’t where it needs to be.
At Skolfield Sports Performance, our system is built around identifying these exact limitations and training them directly, not guessing, not following trends, and not relying on generic cookie-cutter speed work.
Now you have a choice…
You can keep doing what most athletes do more games, more practices, more “skills work”, hoping speed and explosiveness magically show up, while never really addressing the one pattern that actually drives how fast you move: getting your knee behind your butt with force, control, and intent. You can keep piecing together random drills from social media and articles, burning time and money on a model that rarely changes game speed…
…Or you can take a more proactive approach and train in a system that directly targets the hip extension pattern that matters most. At Skolfield Sports Performance, our evaluation and training process are built to improve your “knee behind butt” mechanics, build real-world speed, and make you more powerful, more resilient, and more confident every time you step on the field, court, or ice.
Which do you prefer?
Shoot us an email at [email protected]. We offer a comprehensive sports performance program tailored to your individual needs, starting with a personalized evaluation of how you move.
Discover how we can help you upgrade your hip extension pattern, unlock more speed, and reach your sports performance goals. For more information and to start your journey toward peak performance, visit www.skolfieldperformance.com or click HERE.