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Same drill. Same body. 17 MPH difference. 🔥 The top pitcher throws 95. The bottom throws 78. Watch why 👀 ❌ Bottom: his lift leg flies open early — he rotates too soon and his front side collapses. All that power leaks out. ✅ Top: he stays closed, then...

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Brent Pourciau, Ph.D., M.S.

13,184 subscribers

65,911 views • 3 months ago •via X (Twitter)

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Michael Myles Hayes's profile picture
Michael Myles Hayes3 months ago

What drills can I do to improve this?

John Urick's profile picture
John Urick3 months ago

I see so many kids leak out. Great visual here. Thanks.

Justin Ungurean II's profile picture
Justin Ungurean II3 months ago

RECRUITIQ

Eric Lee's profile picture
Eric Lee3 months ago

@porterlee04 watch this video

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Send this to the pitcher who’s been stuck at 78 all season. Same arm speed. 17 mph apart. The difference is what the front leg does AFTER the foot lands. The 95 guy braces the front leg and lets the body whip over it — that’s 2X, front leg extension. The 78 guy sinks into it, and the energy leaks out the bottom. What the research actually says: - Every 1° of lead knee extension from foot contact to ball release was worth +0.47 m/s of ball velocity — about 1 mph per degree. (Dowling et al., Orthop J Sports Med, 2024 · n = 100 pitchers · R²=0.22, p<.001) - In 322 professional pitchers, the 90 mph group extended the lead knee 17°. The 81 mph group: 5°. (Dowling et al., Sports Biomechanics, 2022) - The braking force in the front leg is what creates the rotational power that gets transferred into the arm. (Howenstein, Kipp & Sabick, J Biomech, 2020) - Stride-leg ground reaction force predicted up to 61% of ball velocity. Drive-leg force predicted none of it. (McNally et al., J Strength Cond Res, 2015) The cue: keep the front knee behind the heel. Brace it — don’t ride it. Want your own numbers? Upload one pitch and get your MechanicsDNA Mini — 5 peer-reviewed markers graded in about 60 seconds, in your browser. Free, no account, and the video never leaves your device. → What’s your current velo? Drop it below and I’ll tell you what to check first. #pitchingvelocity #pitchingmechanics #baseballpitching #throwharder
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Send this to the pitcher who’s been stuck at 78 all season. Same arm speed. 17 mph apart. The difference is what the front leg does AFTER the foot lands. The 95 guy braces the front leg and lets the body whip over it — that’s 2X, front leg extension. The 78 guy sinks into it, and the energy leaks out the bottom. What the research actually says: - Every 1° of lead knee extension from foot contact to ball release was worth +0.47 m/s of ball velocity — about 1 mph per degree. (Dowling et al., Orthop J Sports Med, 2024 · n = 100 pitchers · R²=0.22, p<.001) - In 322 professional pitchers, the 90 mph group extended the lead knee 17°. The 81 mph group: 5°. (Dowling et al., Sports Biomechanics, 2022) - The braking force in the front leg is what creates the rotational power that gets transferred into the arm. (Howenstein, Kipp & Sabick, J Biomech, 2020) - Stride-leg ground reaction force predicted up to 61% of ball velocity. Drive-leg force predicted none of it. (McNally et al., J Strength Cond Res, 2015) The cue: keep the front knee behind the heel. Brace it — don’t ride it. Want your own numbers? Upload one pitch and get your MechanicsDNA Mini — 5 peer-reviewed markers graded in about 60 seconds, in your browser. Free, no account, and the video never leaves your device. → What’s your current velo? Drop it below and I’ll tell you what to check first. #pitchingvelocity #pitchingmechanics #baseballpitching #throwharder

Brent Pourciau, Ph.D., M.S.

65,218 views • 2 months ago

🚨 Most pitchers are leaking velocity without realizing it… The problem isn’t your arm. It’s your DRIVE LEG. ⚡️ If your back leg collapses inward during the delivery, your body loses force before it ever reaches the baseball. That means: ❌ Less velo ❌ Poor command ❌ More stress on the arm Elite pitchers do the opposite. They create powerful external rotation in the drive leg to load force, stabilize the lower half, and explode down the mound. 🔥 Here’s what separates high-velocity throwers from everyone else: ✅ Stable drive-leg mechanics ✅ Explosive force transfer through the kinetic chain ✅ Controlled momentum into front-foot strike ✅ More velocity with less arm stress Your legs generate the power. Your arm just delivers it. 💥 If you want to throw harder, move more efficiently, and train like the pros, TopVelocity breaks down the exact mechanics and drills used to build elite-level pitching velocity. 👇 Comment “VELO” and we’ll send you the training. 🔗 Or visit Brent Pourciau, Ph.D., M.S..org to start developing pro-level mechanics today. #TopVelocity #PitchingVelocity #PitchingMechanics #BaseballTraining #ThrowHarder
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🚨 Most pitchers are leaking velocity without realizing it… The problem isn’t your arm. It’s your DRIVE LEG. ⚡️ If your back leg collapses inward during the delivery, your body loses force before it ever reaches the baseball. That means: ❌ Less velo ❌ Poor command ❌ More stress on the arm Elite pitchers do the opposite. They create powerful external rotation in the drive leg to load force, stabilize the lower half, and explode down the mound. 🔥 Here’s what separates high-velocity throwers from everyone else: ✅ Stable drive-leg mechanics ✅ Explosive force transfer through the kinetic chain ✅ Controlled momentum into front-foot strike ✅ More velocity with less arm stress Your legs generate the power. Your arm just delivers it. 💥 If you want to throw harder, move more efficiently, and train like the pros, TopVelocity breaks down the exact mechanics and drills used to build elite-level pitching velocity. 👇 Comment “VELO” and we’ll send you the training. 🔗 Or visit Brent Pourciau, Ph.D., M.S..org to start developing pro-level mechanics today. #TopVelocity #PitchingVelocity #PitchingMechanics #BaseballTraining #ThrowHarder

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95 MPH isn’t thrown. It’s BUILT — in 4 phases. ⚡ Greyson Parker is 17 throwing 96. Not because of his arm — because of his lower half: 1️⃣ LIFT LEG MOMENTUM — building linear momentum down the slope 2️⃣ THE LOAD — drive leg flexed like a loaded spring, ~120° at the knee 3️⃣ TRIPLE EXTENSION + ANKLE KICK — hip, knee, ankle firing into front foot strike. Hip-shoulder separation drives ~80% of your velocity 4️⃣ FRONT LEG STABILIZATION — the front leg absorbs ~175% of bodyweight and converts linear force into rotation Most pitchers leak velocity in Phase 4 and never know it. MechanicsDNA scores your delivery against peer-reviewed biomechanics — Fleisig, Stodden, Orishimo, MacWilliams — from one phone video, and shows you exactly which phase is costing you velo. Comment “DNA” and I’ll send you the free MechanicsDNA Mini ⤵ Send this to a pitcher who’s all arm. 🧬⚾ #pitchingmechanics #pitchingvelocity #baseballtraining #topvelocity #tripleextension
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95 MPH isn’t thrown. It’s BUILT — in 4 phases. ⚡ Greyson Parker is 17 throwing 96. Not because of his arm — because of his lower half: 1️⃣ LIFT LEG MOMENTUM — building linear momentum down the slope 2️⃣ THE LOAD — drive leg flexed like a loaded spring, ~120° at the knee 3️⃣ TRIPLE EXTENSION + ANKLE KICK — hip, knee, ankle firing into front foot strike. Hip-shoulder separation drives ~80% of your velocity 4️⃣ FRONT LEG STABILIZATION — the front leg absorbs ~175% of bodyweight and converts linear force into rotation Most pitchers leak velocity in Phase 4 and never know it. MechanicsDNA scores your delivery against peer-reviewed biomechanics — Fleisig, Stodden, Orishimo, MacWilliams — from one phone video, and shows you exactly which phase is costing you velo. Comment “DNA” and I’ll send you the free MechanicsDNA Mini ⤵ Send this to a pitcher who’s all arm. 🧬⚾ #pitchingmechanics #pitchingvelocity #baseballtraining #topvelocity #tripleextension

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🔥 Most pitchers are taught the WRONG glove-side mechanics… ❌ Pull the glove ✅ Tuck the glove Research has shown that glove-side pulling is more common in lower-velocity pitchers and is linked to arm drag—a major contributor to velocity loss and increased arm stress. Elite throwers do something different. They turn the glove over, stabilize the front side, and tuck the glove down to create a powerful rotational anchor. This allows the hips and trunk to transfer energy efficiently into the ball for: ⚡ More Velocity ⚡ Better Energy Transfer ⚡ Less Arm Stress ⚡ Improved Command The problem is most pitchers don’t know if their glove-side mechanics are helping or hurting them. 🧬 Find out in less than 60 seconds with the FREE Mechanics DNA Mini Assessment. Get your personalized mechanical profile here: 👉 Comment DNA if you want to know which mechanical flaws are holding back your velocity. #PitchingVelocity #BaseballTraining
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Trying to run with the same arm and same leg 😂

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paste this Jev prompt into Claude and let it audit you it installs Jev, studies how you actually work, and shows you exactly where the hours and the money slip away then it rebuilds your whole setup around the leaks it found same $20 subscription and you end up running it better than 95% of the people paying for the same model the full prompt 👇
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