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Prehension Athletics

@tommym8 • 5,526 subscribers

Movement specialist (former D1 SS)- teaching pros how to control their mechanics via their prehension. Always Confidential. Text: Tommy Maestas 801-860-4864.

Shorts

Every golfer in the world has 2 choices when he hits a golf ball… Choice 1….Address the ball in a manner that puts your right arm in a closed pack position of your humeroulnar joint Choice 2….Address the ball in a manner that puts your left arm in the closed pack position… Choice 1 forces you to supinate your right forearm on your takeaway and pronate your left forearm on your downswing… Choice 2 forces you to pronate your left forearm on your takeway and supinate your left forearm on your downswing… The arthrokinematics of your shoulder joint could care less about your swing thoughts, training tools, or tempo. Ryan Fox goes with choice 1 resulting in a left shoulder that adducts/flexes/externally rotates as he goes from zero to contact…. He achieves this using the muscles of motor tract 5 on his left side and motor tract 1 on his right side.

Every golfer in the world has 2 choices when he hits a golf ball… Choice 1….Address the ball in a manner that puts your right arm in a closed pack position of your humeroulnar joint Choice 2….Address the ball in a manner that puts your left arm in the closed pack position… Choice 1 forces you to supinate your right forearm on your takeaway and pronate your left forearm on your downswing… Choice 2 forces you to pronate your left forearm on your takeway and supinate your left forearm on your downswing… The arthrokinematics of your shoulder joint could care less about your swing thoughts, training tools, or tempo. Ryan Fox goes with choice 1 resulting in a left shoulder that adducts/flexes/externally rotates as he goes from zero to contact…. He achieves this using the muscles of motor tract 5 on his left side and motor tract 1 on his right side.

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The Pirates haven’t won a Paul Skenes start in over a month and are currently trailing the Marlins 2-1… Skenes has seen a dip in his fastball velocity this season and nobody in Pittsburgh seems to notice he’s holding the baseball with a different set of muscles this year…. Here he is last June holding the baseball with his interossei muscles (left video) compared to his flexor digitorum superficialis today (right video)…. The interossei originate on the hand, the FDS originate on the humerus…. This is why his hand & wrist orientation is so different at the top of his motion as well as at his follow through….

The Pirates haven’t won a Paul Skenes start in over a month and are currently trailing the Marlins 2-1… Skenes has seen a dip in his fastball velocity this season and nobody in Pittsburgh seems to notice he’s holding the baseball with a different set of muscles this year…. Here he is last June holding the baseball with his interossei muscles (left video) compared to his flexor digitorum superficialis today (right video)…. The interossei originate on the hand, the FDS originate on the humerus…. This is why his hand & wrist orientation is so different at the top of his motion as well as at his follow through….

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The Pirates lost a Paul Skenes start for the 7th straight time last night…... Look at the box score and you think Paul continues to be the victim of poor run support…. Watch the game and you know Paul is competing with diminished stuff… Paul is at his best when he throws the baseball with the muscles of motor tract 1….He’s used the muscles of motor tract 5 for the majority of this season. Follow Paul’s back knee in each instance… 97 MPH fastball on left vs Rockies last night compared to 100 MPH fastball vs Rockies in August of 2025 on the right.

The Pirates lost a Paul Skenes start for the 7th straight time last night…... Look at the box score and you think Paul continues to be the victim of poor run support…. Watch the game and you know Paul is competing with diminished stuff… Paul is at his best when he throws the baseball with the muscles of motor tract 1….He’s used the muscles of motor tract 5 for the majority of this season. Follow Paul’s back knee in each instance… 97 MPH fastball on left vs Rockies last night compared to 100 MPH fastball vs Rockies in August of 2025 on the right.

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Andrew Abbott has a 6.59 ERA over 28 IP this season.. He had a 2.87 ERA over 166 IP last season… Andrew threw the ball with the muscles of motor tract 1 last season… He’s using motor tract 5 muscles this season… Watch how differently his left arm and left pec region move through his delivery… Consciously, he’s just throwing the ball….subconsciously his vestibulospinal tract (and others) are signaling different muscles to move his body…. MT5 on left vs MT1 on right

Andrew Abbott has a 6.59 ERA over 28 IP this season.. He had a 2.87 ERA over 166 IP last season… Andrew threw the ball with the muscles of motor tract 1 last season… He’s using motor tract 5 muscles this season… Watch how differently his left arm and left pec region move through his delivery… Consciously, he’s just throwing the ball….subconsciously his vestibulospinal tract (and others) are signaling different muscles to move his body…. MT5 on left vs MT1 on right

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Shohei Ohtani’s barrel percentage is down 8% so far this year… his slugging pct is down over 100 points and he’s walking less and striking out more….. Ohtani is at his best when he uses the muscles of motor tract 1 on his right side…. He’s not his normal self when he uses the muscles of motor tract 4… He’s been in motor tract 4 quite a bit this season…. MT4 on left vs MT1 on right

Shohei Ohtani’s barrel percentage is down 8% so far this year… his slugging pct is down over 100 points and he’s walking less and striking out more….. Ohtani is at his best when he uses the muscles of motor tract 1 on his right side…. He’s not his normal self when he uses the muscles of motor tract 4… He’s been in motor tract 4 quite a bit this season…. MT4 on left vs MT1 on right

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Fernando Tatis was hitting .342 with 8 HR’s on May 3, 2025…. He’s hitting .261 with 0 HR’s on May 3, 2026… Anybody with eyes can see his body is moving differently…. Anybody that understands neuroanatomy knows why he he’s moving differently…. The muscles that move our shoulder girdle are part of the extrapyramidal motor tracts….This means they are “controlled” subconsciously…. Consciously, Fernando is just hitting….Subconsciously his central nervous system is only allowing him to use his rhomboid minor and 1/3 of his serratus anterior… It’s always the strangest things that change the motor tracts and it has nothing to do with hitting.

Fernando Tatis was hitting .342 with 8 HR’s on May 3, 2025…. He’s hitting .261 with 0 HR’s on May 3, 2026… Anybody with eyes can see his body is moving differently…. Anybody that understands neuroanatomy knows why he he’s moving differently…. The muscles that move our shoulder girdle are part of the extrapyramidal motor tracts….This means they are “controlled” subconsciously…. Consciously, Fernando is just hitting….Subconsciously his central nervous system is only allowing him to use his rhomboid minor and 1/3 of his serratus anterior… It’s always the strangest things that change the motor tracts and it has nothing to do with hitting.

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Kerry Carpenter has hit 83 HR’s since making his debut in 2022… Yordan Alvarez has hit 135 HR’s in that same time frame… Yordan hits using an open kinetic chain (femur moves on the pelvis)… Kerry hits using a closed kinetic chain (pelvis moves on the femur)…. An open kinetic chain is the “high level pattern” used by “all of the greats”. None of them ever used a closed kinetic chain like Kerry uses….. If you don’t believe that just compare video of their lead hip throughout the swinging motion Watch how different their pelvis moves when they launch their swing.

Kerry Carpenter has hit 83 HR’s since making his debut in 2022… Yordan Alvarez has hit 135 HR’s in that same time frame… Yordan hits using an open kinetic chain (femur moves on the pelvis)… Kerry hits using a closed kinetic chain (pelvis moves on the femur)…. An open kinetic chain is the “high level pattern” used by “all of the greats”. None of them ever used a closed kinetic chain like Kerry uses….. If you don’t believe that just compare video of their lead hip throughout the swinging motion Watch how different their pelvis moves when they launch their swing.

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Payton Tolle struck out 11 and walked 1 using the muscles of motor tract 1 vs the Yankees… He struck out 4 and walked 4 using the muscles of motor tract 5 vs the Blue Jays… MT1 on left vs MT5 on right.

Payton Tolle struck out 11 and walked 1 using the muscles of motor tract 1 vs the Yankees… He struck out 4 and walked 4 using the muscles of motor tract 5 vs the Blue Jays… MT1 on left vs MT5 on right.

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Here’s a good look at what the Nationals “new focus on technology” has done to James Wood’s swing… James is using the muscles of motor tract 5 on both sides of his body this season. (He hit .125 this spring after going 0-4 with 4 K’s last night) He used the muscles of motor tract 1 on both sides last May when he hit .330 with 7 HR’s. Dylan Crews (.103) and Jacob Young (.125) have used the same motor tract 5 muscles on both sides of their body this spring as well.

Here’s a good look at what the Nationals “new focus on technology” has done to James Wood’s swing… James is using the muscles of motor tract 5 on both sides of his body this season. (He hit .125 this spring after going 0-4 with 4 K’s last night) He used the muscles of motor tract 1 on both sides last May when he hit .330 with 7 HR’s. Dylan Crews (.103) and Jacob Young (.125) have used the same motor tract 5 muscles on both sides of their body this spring as well.

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If order to hit a big league fastball your brain needs to decide to pull the trigger roughly 25 feet from the ball reaching the plate…. In order to do that, your eyes must be oriented at a spot 25 feet to your left for a righty or 25 feet to your right if you are a lefty…. This begs the question what is the point of hitting off of a tee?…The body will never work the same vs a live ball…. Look how different Mike Trout looks when hitting off of a tee vs hitting a live ball…Watch his left arm and left shoulder do completely different things. The right forearm supinates vs an overhand pitch but it pronates vs the tee…. It’s a function of where the biceps inserts onto the radius. There isn’t a hitter on earth that will use the same swing mechanics off of a tee as they will vs an overhand pitch.

If order to hit a big league fastball your brain needs to decide to pull the trigger roughly 25 feet from the ball reaching the plate…. In order to do that, your eyes must be oriented at a spot 25 feet to your left for a righty or 25 feet to your right if you are a lefty…. This begs the question what is the point of hitting off of a tee?…The body will never work the same vs a live ball…. Look how different Mike Trout looks when hitting off of a tee vs hitting a live ball…Watch his left arm and left shoulder do completely different things. The right forearm supinates vs an overhand pitch but it pronates vs the tee…. It’s a function of where the biceps inserts onto the radius. There isn’t a hitter on earth that will use the same swing mechanics off of a tee as they will vs an overhand pitch.

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Both Kevin McGonigle and Max Clark typically hit with the muscles of motor tract 1 on both sides of their body….. Kevin begins his load with passive hands/arms… Max begins his load with his hands This is why Max arms are moving forward before his heel hits the ground and Kevin’s stay back until his lateral heel strike…. Look how different their shoulder girdle and trunk look at contact… Max’s hands are leading his shoulders….Kevin’s shoulders are leading his hands.

Both Kevin McGonigle and Max Clark typically hit with the muscles of motor tract 1 on both sides of their body….. Kevin begins his load with passive hands/arms… Max begins his load with his hands This is why Max arms are moving forward before his heel hits the ground and Kevin’s stay back until his lateral heel strike…. Look how different their shoulder girdle and trunk look at contact… Max’s hands are leading his shoulders….Kevin’s shoulders are leading his hands.

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Kyren Paris has hit .157 with 7 HR’s in his first 217 big league at bats…. Albert Pujols hit .354 with 20 HR’s in his first 217 big league at bats… Kyren Paris hits with the muscles of motor tract 5 on his right side… Albert Pujols hit with the muscles of motor tract 1 on his right side…. MT1 uses the pec major to internally rotate the humerus towards contact… MT1 uses 5 uses the latissimus dorsi to medially rotate the humerus towards contact… Watch their rear shoulder/chest area at front foot heel strike and you will see just how different they are moving.

Kyren Paris has hit .157 with 7 HR’s in his first 217 big league at bats…. Albert Pujols hit .354 with 20 HR’s in his first 217 big league at bats… Kyren Paris hits with the muscles of motor tract 5 on his right side… Albert Pujols hit with the muscles of motor tract 1 on his right side…. MT1 uses the pec major to internally rotate the humerus towards contact… MT1 uses 5 uses the latissimus dorsi to medially rotate the humerus towards contact… Watch their rear shoulder/chest area at front foot heel strike and you will see just how different they are moving.

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Mike Trout was a career .301 hitter entering the 2024 season… He’s hit a combined .230 the last 2 years… Trout went from using the muscles of motor tract 1 on his right side to using motor tract 5…. His entire rights side uses different muscles because of it….Watch how different his head moves in each instance…. You can also notice a difference in the thumb muscle securing the bat along with the neck muscle that rotates his head. Cranial nerve 11 innervates the sternocleidomastoid muscle along with the trapezius muscle…..MT 1 uses the sternocleidomastoid as the primary neck rotator…..MT5 uses the trapezius as the primary neck rotator of the neck.

Mike Trout was a career .301 hitter entering the 2024 season… He’s hit a combined .230 the last 2 years… Trout went from using the muscles of motor tract 1 on his right side to using motor tract 5…. His entire rights side uses different muscles because of it….Watch how different his head moves in each instance…. You can also notice a difference in the thumb muscle securing the bat along with the neck muscle that rotates his head. Cranial nerve 11 innervates the sternocleidomastoid muscle along with the trapezius muscle…..MT 1 uses the sternocleidomastoid as the primary neck rotator…..MT5 uses the trapezius as the primary neck rotator of the neck.

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Chase Burns gave up 7 runs in 1/3 IP tonight…. Chase holds his glove with the muscles of motor tract 5 so he has no choice but to tip his slider… He did it last time out vs the Yankees too but New York doesn’t seem to have this tell…. They missed it vs Severino yesterday too although they did take advantage of his wildness as he tried to mask it (he didn’t mask it). Here’s what happens every time a pitcher holds his glove with the muscles of motor tract 5…. There are dozens of pitchers that do this…..Some teams are really good at exploiting this and others have no clue it exists.

Chase Burns gave up 7 runs in 1/3 IP tonight…. Chase holds his glove with the muscles of motor tract 5 so he has no choice but to tip his slider… He did it last time out vs the Yankees too but New York doesn’t seem to have this tell…. They missed it vs Severino yesterday too although they did take advantage of his wildness as he tried to mask it (he didn’t mask it). Here’s what happens every time a pitcher holds his glove with the muscles of motor tract 5…. There are dozens of pitchers that do this…..Some teams are really good at exploiting this and others have no clue it exists.

Prehension Athletics

1,023,146 просмотров • 1 год назад

Jesus Luzardo pitches vs the Red Sox tonight…. Luzardo has tipped his breaking ball from the stretch all season long…. There are a couple of guys in Red Sox uniforms that have feasted on this tell for the better part of a decade… Jesus has tried setting his hands at his chest, his abdomen, and his hips and none of it matters because he uses the muscles of motor tract 5…. I’m sure most MLB hitters have never heard of something called motor tract 5 but there are a lot of them know where to look to see something telling when a pitcher comes set. Fastball on left vs breaking ball on right

Jesus Luzardo pitches vs the Red Sox tonight…. Luzardo has tipped his breaking ball from the stretch all season long…. There are a couple of guys in Red Sox uniforms that have feasted on this tell for the better part of a decade… Jesus has tried setting his hands at his chest, his abdomen, and his hips and none of it matters because he uses the muscles of motor tract 5…. I’m sure most MLB hitters have never heard of something called motor tract 5 but there are a lot of them know where to look to see something telling when a pitcher comes set. Fastball on left vs breaking ball on right

Prehension Athletics

291,281 просмотров • 1 год назад

Aaron Judge holds the bat with a closed pack position in his right elbow… Bobby Witt holds the bat with a closed pack position in his left elbow…. This means Judge’s left hip “turns his right hip” when he loads and his right hip “turns his left hip” when he swings…. It’s the opposite for Witt. His right hip “turns his left hip” when he loads and his left hip “turns his right hip” when he swings. An anatomist would simply tell you that Judge uses his TFL as his agonist muscle on his left side at load while Witt uses his TFL as his antagonist muscle on his load. Follow their hips in each instance and you’ll see what I mean… If you initiate your load with an active upper body, the feeling these guys get when they load is nothing like the feeling you get when you load.

Aaron Judge holds the bat with a closed pack position in his right elbow… Bobby Witt holds the bat with a closed pack position in his left elbow…. This means Judge’s left hip “turns his right hip” when he loads and his right hip “turns his left hip” when he swings…. It’s the opposite for Witt. His right hip “turns his left hip” when he loads and his left hip “turns his right hip” when he swings. An anatomist would simply tell you that Judge uses his TFL as his agonist muscle on his left side at load while Witt uses his TFL as his antagonist muscle on his load. Follow their hips in each instance and you’ll see what I mean… If you initiate your load with an active upper body, the feeling these guys get when they load is nothing like the feeling you get when you load.

Prehension Athletics

119,290 просмотров • 4 месяцев назад

Jordan Walker used the muscles of motor tract 2 on his left side from opening day until April 15th…He was 21-64 (.328) with 8 HR’s and 19K’s during that stretch… He’s been using the muscles of motor tract 4 on his left side ever since…He’s 6-33 (.182) with 0 HR’s and 16K’s during this current stretch. Watch how differently Jordan’s body is working in each instance …The video on the left was his base hit vs Seattle today. Jordan could get back into MT2 at any time but he needs to know why he was ever in it in the first place.

Jordan Walker used the muscles of motor tract 2 on his left side from opening day until April 15th…He was 21-64 (.328) with 8 HR’s and 19K’s during that stretch… He’s been using the muscles of motor tract 4 on his left side ever since…He’s 6-33 (.182) with 0 HR’s and 16K’s during this current stretch. Watch how differently Jordan’s body is working in each instance …The video on the left was his base hit vs Seattle today. Jordan could get back into MT2 at any time but he needs to know why he was ever in it in the first place.

Prehension Athletics

72,094 просмотров • 3 месяцев назад

Jac Caglianone went 0-4 tonight and is now hitting ,194 with 2 HR’s in 67 AB’s…. Jac had 15 HR’s in the minors and was hitting .322 prior to his call up Jac has made a mindless change to his prehension recently and it’s completely changed how his front side moves when he swings… Jac usually uses motor tract 2 on the right side of his body but his change in prehension forces him to use motor tract 5…. Here’s how different his body moves because of it.

Jac Caglianone went 0-4 tonight and is now hitting ,194 with 2 HR’s in 67 AB’s…. Jac had 15 HR’s in the minors and was hitting .322 prior to his call up Jac has made a mindless change to his prehension recently and it’s completely changed how his front side moves when he swings… Jac usually uses motor tract 2 on the right side of his body but his change in prehension forces him to use motor tract 5…. Here’s how different his body moves because of it.

Prehension Athletics

17,791 просмотров • 1 год назад

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