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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...

23,043 просмотров • 6 месяцев назад •via X (Twitter)

Комментарии: 8

Фото профиля quintero karina
quintero karina1 месяц назад

So the secret's in my drive leg? Guess I should start working on my wobble.

Фото профиля Glenn
Glenn6 месяцев назад

Velo

Фото профиля Brent Pourciau, Ph.D., M.S.
Brent Pourciau, Ph.D., M.S.6 месяцев назад

Appreciate it, Glenn! Velocity starts from the ground up — most people focus on the arm but the real gains are in the legs and hip load. Tons of free resources at if you ever want to go deeper on the mechanics.

Фото профиля Steve Pratt
Steve Pratt6 месяцев назад

Have you ever studied what Dr. Mike Marshall of Dodgers fame lectured?

Фото профиля Brent Pourciau, Ph.D., M.S.
Brent Pourciau, Ph.D., M.S.6 месяцев назад

Yes

Фото профиля Steve Pratt
Steve Pratt6 месяцев назад

It’s fascinating.

Фото профиля Brent Pourciau, Ph.D., M.S.
Brent Pourciau, Ph.D., M.S.6 месяцев назад

Yes Dr Marshall was definitely fascinating.

Фото профиля Travis Greenfield
Travis Greenfield6 месяцев назад

Really meat

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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 просмотров • 3 месяцев назад

The more you study high velocity arms and draft picks you’ll start to see a lot of similarities in the delivery. This is why I love watching mechanics in slow motion so you can get a better idea of what certain positions look like in the delivery. Pitching is about creating a smooth flow of energy, being mobile enough to get into certain positions, how fast you can get out of those positions, and how well you can stabilize while getting in and out of these positions. So in this video I froze certain points in Bubba Chandlers (Pirates #1 pitching prospect) pitching motion that I think helps him throw upper 90’s. First being the hip hinge at peak leg lift focusing on balance and starting the shift of momentum down the mound, second the load into the drive leg, making it easier to control the center or mass while in the drift, third being a firm front stride keeping the upper body closed and from leaking energy, fourth being both glove side and throwing arm scap retracting while hips are beginning to open and the back foot rotating down to the ground clearing the hips into landing, next being when the front foot hits the ground upper body is still coiled and the throwing arm is inside 90 degrees, allowing the arm to properly go into lay back before elbow spiral and then internal rotation, lastly hips fully opening bringing the upper body into rotation while the lead leg braces and full extension of the torso going forward towards the catcher. #mlb #velocity #pitchingmechanics #baseball #pitchingcoach #pittsburgh #pitcher #balance #rotation #scapload #extension #energy #pitchingdrills #bubbachandler#sports#fyp#trending#viral#trendy#explore

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