Today’s guest post comes from Cressey Sports Performance Pitching Coordinator, Matt Blake. Matt is a key part of the Elite Baseball Mentorships team. Enjoy! -EC

In today’s video, we’re going to be discussing stride dynamics in the high-level throw. In order to do that, we’re going to use Zach Greinke as our pro model and then show a few other amateur variations, while going into some detail on how strength and mobility play into the equation for developing this powerful stride.

This is important to understand because a lot of the other qualities we look for in a high-level throw – such as achieving efficient “extension” at release, repeating the delivery, and executing our deceleration pattern consistently in an effort to reduce stress – all rely on having a stable stride pattern. In order to understand how this works, let’s take a look at some of the components that make up Greinke’s stride:

As you can see, one of the defining features of Greinke’s stride is the efficient action of his back leg and hip directing the pelvis down the target line early to set the direction and momentum for the stride. The way this is achieved is often overlooked and ultimately results in “offline” or unstable landings.

If you’ll notice the move that Greinke is making here is a posterior weight shift where he actually pushes his hips back in the delivery by hinging at the hip and not drifting his knee forward over his toes like most amateurs do. By engaging his posterior chain in this manner and not relying simply on his front leg to swing him into landing, he’s able to create a more balanced stride phase that unfolds in a more rhythmic manner, using the lead leg as a counter-balance to the delivery and not the primary power source.

For those familiar with the strength & conditioning world, I typically like to relate it to the initial movement of a one-legged squat to feel the glute and hamstring engagement and then a lateral lunge to stay engaged in the adductors for control of the pelvis. The lead leg action is ultimately just a relaxed extension to counter the posterior weight shift and then a swivel in the hip socket to align the foot for landing.

The effect of engaging the rear leg’s posterior chain allows us to create both extension and rotation out of the back-side, which is important for maintaining the direction of our force into the ground at landing. If we can’t control the force of our action into the ground, we won’t be able to stabilize our landing appropriately, which has ramifications up the chain into our pelvis positioning, core stability and ultimately into our hand positioning on the ball at release.

If we’re trying to create a level of “extension” at release and maintain our leverage on the ball to throw it with angle, we need to take ownership of our pelvis positioning. If we don’t actively control the pelvis movement into landing, we’re going to have a hard time centering the head of the lead leg in the hip socket, and in turn, accepting the ground reaction force that we’re trying to create. This happens when we lose the tension of our back hip too early, because we swung our lead leg out as the power source and “chased it” into landing. This means we won’t have control of the pelvis upon landing and we’ll be unable to properly pressurize the front leg to keep leverage in the delivery.

This pelvis leverage is essential in making sure we can keep our core stable and allow it to translate the thoracic region forward, instead of rely on it to create motion, which isn’t the primary role of the lumbar region. We want the “core” to simply transfer the energy we created from the lower half efficiently. If we can do that, we allow ourselves to accelerate on a longer line to release, because our path of deceleration is set up to be fully accepted on the front hip’s internal rotation and flexion. If the pelvis is too flat, and relies purely on rotation and not flexion, our line of deceleration becomes much shorter and forces us to handle more of the stress in our throwing arm, which isn’t ideal.

A good example of how both length in the adductors and strength in the posterior chain helped an athlete achieve a more athletic and powerful stride can be seen here. The first clip is a video of a 17 yr old LHP, who was 6’4” 180lbs, and 82-84 at the time of the video:

Notice how his stride pattern is very limited not only in his length toward home, but in its inefficient direction and its ability to allow for a full finish to protect the arm. As you can see, this athlete struggled to get a posterior weight shift out of his gather position, drifted into a closed stride position, and then had too flat of a pelvis position to achieve a proper flexed hip position. As a result, he runs out of lateral rotation in the lead hip and the finish buckles on him. This could be a result of many things, including limited adductor mobility, poor single leg stability, weakness of the anterior or rotary core, etc. Candidly, though, you usually see all these things in untrained pitchers!

Fortunately, this same athlete took it upon himself to devote some quality time to making himself a better athlete, getting stronger, and gaining awareness for the movements the high level delivery was asking of him – and he’s now turned himself into a legitimate prospect. In this more recent video, the athlete is 20yrs old now, 6’5” 215lbs, and 88-91mph, topping at 92mph:

By no means is this athlete a finished product, but you can see where the added strength, mobility, and movement awareness allows him to get into a deeper hip-hinge position, ride out of the stride longer, and certainly take the finish deeper to allow for a longer line of deceleration. The next step for this athlete will be continuing to work on his single-leg stability, as you can see a slight wobble in the landing and a touch of misdirection, but certainly leaps and bounds ahead of where he was three years prior.

To give you an example of where this stride pattern can go, here is an example of one of our more accomplished athletes, Tyler Beede, who was the 14th overall pick in this year’s draft and had one of the best amateur stride patterns I’ve seen:

From time to time this athlete will struggle with slight misdirection and postural control, but his ability to pitch 92-96mph with above average off-speed offerings is a testament to the balance and power in the lower half of his delivery.

At the end of the day, everyone is going to present with different levels of mobility, stability and coordination, so you certainly have to leave room in your model to account for individual variance. However, these athletes are good examples of how properly maintained mobility and stability can tie into the high-level delivery to make you a more powerful and durable pitcher in the long run.

Looking for more video analysis and training insights like this? I’d encourage you to sign up for one of our upcoming Elite Baseball Mentorships. We have events in both October and November, and you won’t find a more intensive baseball educational course.

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