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How does the Pelvis ACTUALLY rotate open in the throw? No different than the gait cycle, the pelvis swings open because Lateral Bend coupled with the lordosis of the Lumbar spine induces an axial torque on the Pelvis driving it in the opposite direction Focusing on “back leg tension”...

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Ben Baggett

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18,235 views • 10 months ago •via X (Twitter)

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Stop Pushing With Your Back Leg As I trained to throw harder, I thought I needed to create a ton of momentum down the mound and really push off the rubber. That was actually holding me back from gaining pitching velocity for a couple reasons. The first reason was that pushing made it really hard for my pelvis to fire because it put me in a worse position instead of a better one. When I was pushing, it also made me fly open. The fix was thinking about keeping everything back and letting the pelvis rotate instead of pushing with my back leg. Most of your linear momentum comes from the drift and the drop in your delivery and the back leg. The back leg does have a role in building linear momentum, but its more important role is putting you in a good position to rotate. To create separation between your pelvis and your rib cage. That separation is what gives you true hip to shoulder separation that you can actually fire from.
0:55

Stop Pushing With Your Back Leg As I trained to throw harder, I thought I needed to create a ton of momentum down the mound and really push off the rubber. That was actually holding me back from gaining pitching velocity for a couple reasons. The first reason was that pushing made it really hard for my pelvis to fire because it put me in a worse position instead of a better one. When I was pushing, it also made me fly open. The fix was thinking about keeping everything back and letting the pelvis rotate instead of pushing with my back leg. Most of your linear momentum comes from the drift and the drop in your delivery and the back leg. The back leg does have a role in building linear momentum, but its more important role is putting you in a good position to rotate. To create separation between your pelvis and your rib cage. That separation is what gives you true hip to shoulder separation that you can actually fire from.

Josh Gessner

37,682 views • 5 months ago

The Hitchhiker's Guide to the Humanoid Robot. We are sharing the first assembly video for Asimov v1, an open source humanoid robot. This is the test cut, covering the lower body from pelvis to leg. 0:00 Introduction 1:23 Pelvis 9:36 Legs The rest is on the way.
29:31

The Hitchhiker's Guide to the Humanoid Robot. We are sharing the first assembly video for Asimov v1, an open source humanoid robot. This is the test cut, covering the lower body from pelvis to leg. 0:00 Introduction 1:23 Pelvis 9:36 Legs The rest is on the way.

Asimov

28,428 views • 3 months ago

Lower body mechanics to throw 95 mph. There are four things about the lower body that I wish I knew when I was a 16 year old throwing 78 miles an hour and trying to throw 90 miles an hour and beyond. The first is the leg lift and how well you're able to start creating momentum toward the target. One of the biggest mistakes people make is thinking they need to fall forward as soon as they lift their leg to create drift. What worked for me was coming to a balance point first and then starting to shift my weight from there. That's still a form of drift, and you see a lot of Japanese pitchers do this, like Yoshinobu Yamamoto. The second component is the back leg and how it creates linear momentum toward the target. One of the biggest mistakes I made was diving too much into the quad. I'd get onto my toes and sink into my quad, which led to less power and actually made rotating much harder. Another mistake I made was squatting as deep as possible into the back leg, almost like a pistol squat. What actually helped me was simply dropping down as quickly as possible. I let gravity pull me down. If you've created enough drift, even just a slight drift, that drop will create linear momentum down the mound. The third component is getting the pelvis to rotate into foot plant. The biggest thing here is matching your pelvis plane of rotation and making sure the pelvis rotates down into foot plant rather than rotating upward. One of my favorite cues for this is to slam the knee down or get onto your shoelaces. The last component is simple. It's the lead leg block. You're trying to block all of the momentum you've created like your life depends on it. For me, I tried to extend as high as I could. That actually helped my pelvis continue to rotate because as the front leg extends, the pelvis gets more open. Those are the four things I wish I knew about the lower body when I was trying to gain pitching velocity.
1:34

Lower body mechanics to throw 95 mph. There are four things about the lower body that I wish I knew when I was a 16 year old throwing 78 miles an hour and trying to throw 90 miles an hour and beyond. The first is the leg lift and how well you're able to start creating momentum toward the target. One of the biggest mistakes people make is thinking they need to fall forward as soon as they lift their leg to create drift. What worked for me was coming to a balance point first and then starting to shift my weight from there. That's still a form of drift, and you see a lot of Japanese pitchers do this, like Yoshinobu Yamamoto. The second component is the back leg and how it creates linear momentum toward the target. One of the biggest mistakes I made was diving too much into the quad. I'd get onto my toes and sink into my quad, which led to less power and actually made rotating much harder. Another mistake I made was squatting as deep as possible into the back leg, almost like a pistol squat. What actually helped me was simply dropping down as quickly as possible. I let gravity pull me down. If you've created enough drift, even just a slight drift, that drop will create linear momentum down the mound. The third component is getting the pelvis to rotate into foot plant. The biggest thing here is matching your pelvis plane of rotation and making sure the pelvis rotates down into foot plant rather than rotating upward. One of my favorite cues for this is to slam the knee down or get onto your shoelaces. The last component is simple. It's the lead leg block. You're trying to block all of the momentum you've created like your life depends on it. For me, I tried to extend as high as I could. That actually helped my pelvis continue to rotate because as the front leg extends, the pelvis gets more open. Those are the four things I wish I knew about the lower body when I was trying to gain pitching velocity.

Josh Gessner

37,521 views • 29 days ago

Stop accelerating down the mound. I’m sure you’ve heard the cue to accelerate down the mound. Get down the mound quickly. The mistake most people make, and the mistake I made when I was 16, was trying to force it. I was throwing slow, around 78 to 80 miles an hour. I thought I had to push off the rubber as hard as I could to accelerate my body down the mound. When I made the jump to throwing 90 plus to 95 as an 18 year old, the big change I made was this. Instead of pushing off the rubber to accelerate my center of mass down the mound, I let gravity pull me into the ground. That matters because when gravity pulls you into position without pushing, your back leg stays loaded and under you. Now the back leg can work underneath you. It can rotate you and pull the pelvis open. That pulls the spine and then propels the arm. The goal isn’t to force speed down the mound. The goal is to let gravity set up the back leg so it can accelerate the pelvis, which pulls the spine into the throw.
1:01

Stop accelerating down the mound. I’m sure you’ve heard the cue to accelerate down the mound. Get down the mound quickly. The mistake most people make, and the mistake I made when I was 16, was trying to force it. I was throwing slow, around 78 to 80 miles an hour. I thought I had to push off the rubber as hard as I could to accelerate my body down the mound. When I made the jump to throwing 90 plus to 95 as an 18 year old, the big change I made was this. Instead of pushing off the rubber to accelerate my center of mass down the mound, I let gravity pull me into the ground. That matters because when gravity pulls you into position without pushing, your back leg stays loaded and under you. Now the back leg can work underneath you. It can rotate you and pull the pelvis open. That pulls the spine and then propels the arm. The goal isn’t to force speed down the mound. The goal is to let gravity set up the back leg so it can accelerate the pelvis, which pulls the spine into the throw.

Josh Gessner

40,373 views • 4 months ago

How to Create Rotation With the Back Leg How you want to actually create rotation with the back leg. For me and higher level guys, I don’t even like to think about rotation. If you feel your hips rotating, it’s probably too slow. This is such a violent, explosive movement that happens in milliseconds. You shouldn’t even be able to feel it. That’s why I think about it as a weight shift. When you’re putting force into the ground, into that X direction, most of your weight is on the back leg. Then once you create that impulse and it propels you forward, all you need to think about is getting to the front leg. That force naturally rotates the hips into foot plant. For a lot of higher level guys, this helps a lot. They don’t have to think about rotating the hips. Because that can actually mess things up. Instead, it’s just force into the ground and get to the front leg. The pelvis will rotate on its own.
0:47

How to Create Rotation With the Back Leg How you want to actually create rotation with the back leg. For me and higher level guys, I don’t even like to think about rotation. If you feel your hips rotating, it’s probably too slow. This is such a violent, explosive movement that happens in milliseconds. You shouldn’t even be able to feel it. That’s why I think about it as a weight shift. When you’re putting force into the ground, into that X direction, most of your weight is on the back leg. Then once you create that impulse and it propels you forward, all you need to think about is getting to the front leg. That force naturally rotates the hips into foot plant. For a lot of higher level guys, this helps a lot. They don’t have to think about rotating the hips. Because that can actually mess things up. Instead, it’s just force into the ground and get to the front leg. The pelvis will rotate on its own.

Josh Gessner

14,028 views • 2 months ago

Training to get drafted Day 3: One of the biggest things I’ve been working on lately is my pelvis rotation. I’ve talked about this in the past—how my pelvis wasn’t fully clearing and fully firing. For a long time, I thought the issue was that I just needed to rotate harder. What I started to realize, was that the real problem wasn’t my pelvis at all—it was my foot. Because my foot wasn’t firing, my hip wouldn’t fire correctly, and my knee would try to take over. My cue used to be, “Alright, slam the knee down to rotate the pelvis.” But what was actually happening was my foot would get stuck. It wouldn’t clear. It wouldn’t fire. When I started looking back at video from times when I threw harder, the difference became obvious. My entire foot had cleared and fired. That’s why one of the biggest things I’m working on right now is getting my foot through and fully rotated—firing the foot. Because if I’m able to fire my foot, and you actually feel this, you physically can’t keep your pelvis closed when your foot is in that position. Everything opens. One of my favorite cues for this is “get to my shoelaces.” This is something I got from Albertus, my partner. During the drive phase, all I’m thinking about is getting to my shoelaces. If I can get my foot into that position— I know my pelvis will clear. And if my pelvis clears, I’m going to create elite pelvis rotation. That’s one of my mechanical focuses right now. I’m posting every day until I get drafted. I’ll see you tomorrow.
1:07

Training to get drafted Day 3: One of the biggest things I’ve been working on lately is my pelvis rotation. I’ve talked about this in the past—how my pelvis wasn’t fully clearing and fully firing. For a long time, I thought the issue was that I just needed to rotate harder. What I started to realize, was that the real problem wasn’t my pelvis at all—it was my foot. Because my foot wasn’t firing, my hip wouldn’t fire correctly, and my knee would try to take over. My cue used to be, “Alright, slam the knee down to rotate the pelvis.” But what was actually happening was my foot would get stuck. It wouldn’t clear. It wouldn’t fire. When I started looking back at video from times when I threw harder, the difference became obvious. My entire foot had cleared and fired. That’s why one of the biggest things I’m working on right now is getting my foot through and fully rotated—firing the foot. Because if I’m able to fire my foot, and you actually feel this, you physically can’t keep your pelvis closed when your foot is in that position. Everything opens. One of my favorite cues for this is “get to my shoelaces.” This is something I got from Albertus, my partner. During the drive phase, all I’m thinking about is getting to my shoelaces. If I can get my foot into that position— I know my pelvis will clear. And if my pelvis clears, I’m going to create elite pelvis rotation. That’s one of my mechanical focuses right now. I’m posting every day until I get drafted. I’ll see you tomorrow.

Josh Gessner

12,208 views • 6 months ago

Think about slamming on the brakes in a car - the faster you’re moving and the harder you brake, the faster you will be propelled forward. That’s front to back decel in the pitching delivery, and one of the reasons a firm lead leg block is important. But what’s the rotational equivalent? It’s the pelvis slamming on the brakes, which propels the torso, then the torso slamming on the brakes to propel the arm. Properly timed pelvic and trunk decel create a “rotational car crash.”
0:21

Think about slamming on the brakes in a car - the faster you’re moving and the harder you brake, the faster you will be propelled forward. That’s front to back decel in the pitching delivery, and one of the reasons a firm lead leg block is important. But what’s the rotational equivalent? It’s the pelvis slamming on the brakes, which propels the torso, then the torso slamming on the brakes to propel the arm. Properly timed pelvic and trunk decel create a “rotational car crash.”

Ben Brewster

87,035 views • 25 days ago

The biggest takeaway from this skeletal throwing depiction is the amount of force the thrower puts into the ground w/the lead leg. Notice how the leg stiffens & pushes back to 2B. It serves to decelerate the pelvis & transfer force up the chain. It becomes an arm speed enhancer.
0:23

The biggest takeaway from this skeletal throwing depiction is the amount of force the thrower puts into the ground w/the lead leg. Notice how the leg stiffens & pushes back to 2B. It serves to decelerate the pelvis & transfer force up the chain. It becomes an arm speed enhancer.

Jerry Weinstein

45,839 views • 2 years ago

The single-leg RDL is a seriously underrated exercise for single-leg strength, hamstring resilience, and real hip stability. But it also humbles you. If your balance falls apart the moment you send your hips back, the issue is not balance. It means your glutes and hamstrings aren't controlling the hip, so your body goes looking for stability everywhere else. That’s why you wobble. Focus on these: - Tripod foot. Weight spread across big toe, little toe, and heel. Steady base, steady everything above it. - Slight, fixed knee bend. A small bend in the standing knee, held the whole rep. Hinge, not squat. - Straight rear leg. Keep it long and in line with your torso so it moves as one with you. - Level pelvis. Both hip bones facing the floor. Let it rotate open and your glute medius quits. Drive the hip straight back, feel the hamstring lengthen and take the load, then stand tall. If you get that right, the balance will be sorted.
0:38

The single-leg RDL is a seriously underrated exercise for single-leg strength, hamstring resilience, and real hip stability. But it also humbles you. If your balance falls apart the moment you send your hips back, the issue is not balance. It means your glutes and hamstrings aren't controlling the hip, so your body goes looking for stability everywhere else. That’s why you wobble. Focus on these: - Tripod foot. Weight spread across big toe, little toe, and heel. Steady base, steady everything above it. - Slight, fixed knee bend. A small bend in the standing knee, held the whole rep. Hinge, not squat. - Straight rear leg. Keep it long and in line with your torso so it moves as one with you. - Level pelvis. Both hip bones facing the floor. Let it rotate open and your glute medius quits. Drive the hip straight back, feel the hamstring lengthen and take the load, then stand tall. If you get that right, the balance will be sorted.

Dr Neha Chawla || FreeGym

39,271 views • 3 days ago

Debunking the hinge? 🧐 The hinge implies a posterior shifting of the pelvis, similar to an RDL in the weight room. My 2 issues with this term: 1) Some players perform better with a more quad/forefoot-driven load (not shifting the hips back first). 2) This load isn't 2D, it's 3D. There's a rotational winding of the back hip in hard throwers, which winds up the back leg spring (glutes & deep hip rotators) so the pelvis can rotate (unload) efficiently. "Rotational hinge" may be a more appropriate descriptor.
3:33

Debunking the hinge? 🧐 The hinge implies a posterior shifting of the pelvis, similar to an RDL in the weight room. My 2 issues with this term: 1) Some players perform better with a more quad/forefoot-driven load (not shifting the hips back first). 2) This load isn't 2D, it's 3D. There's a rotational winding of the back hip in hard throwers, which winds up the back leg spring (glutes & deep hip rotators) so the pelvis can rotate (unload) efficiently. "Rotational hinge" may be a more appropriate descriptor.

Ben Brewster

11,959 views • 8 months ago

Properly dilating the hips-pelvis helps reduce pressure on the lower back and improve motor performance 🔥💪
0:21

Properly dilating the hips-pelvis helps reduce pressure on the lower back and improve motor performance 🔥💪

Life Doctor

25,003 views • 11 months ago

Spine, breath, pelvis — the holy trinity of somatic flow.
0:27

Spine, breath, pelvis — the holy trinity of somatic flow.

Heather Wild

28,486 views • 5 months ago

This partner hip stretch releases deep hip tension, unloads the pelvis, and helps take pressure off the lower back and spine. Simple, effective relief.
0:20

This partner hip stretch releases deep hip tension, unloads the pelvis, and helps take pressure off the lower back and spine. Simple, effective relief.

Muscle Blueprint - Fitness | Health | Abs

66,322 views • 5 months ago

Two athletes sprinting, two different movement solutions. The goal isn’t to copy a track sprinter frame by frame. It’s to understand the principles behind why the fastest runners hit the ground closer to their hips, get off the ground quicker, and organize the pelvis and leg
1:46

Two athletes sprinting, two different movement solutions. The goal isn’t to copy a track sprinter frame by frame. It’s to understand the principles behind why the fastest runners hit the ground closer to their hips, get off the ground quicker, and organize the pelvis and leg

Fred Duncan

1,357,778 views • 5 months ago

Don't force hip-shoulder separation🗝️ While you can jerk the pelvis open or try to actively hold the trunk closed to cheat separation, the spine is designed to work segmentally. When the trunk can relax, it allows for a smooth unfurling of the whip & higher ball velocity.
2:18

Don't force hip-shoulder separation🗝️ While you can jerk the pelvis open or try to actively hold the trunk closed to cheat separation, the spine is designed to work segmentally. When the trunk can relax, it allows for a smooth unfurling of the whip & higher ball velocity.

Ben Brewster

20,546 views • 11 months ago

Yamamoto Drill Progression 🧵⬇️ Yoshi has become the talk of Major League Baseball since signing with the Dodgers this off-season (rightfully so - he’s a freak). He does an incredible job of creating momentum down the mound, all while setting up his pelvis to rotate and block into FFS. If you’re a guy who struggles to do any or all of the things above, try this progression! 1️⃣ Javelin Lasso Variation: perfect to preset the pelvis in a position to block. Allows you to pull the arm into release using the spine and pec. 2️⃣ Abbreviated AA Roll-In: added momentum with the same benefits of the javelin lasso. 3️⃣4️⃣5️⃣ Yamamoto Walking Wind-Up (Abbreviated AA/Normal/Overhead): Abbreviated AA eliminates the arm swing (less things to screw up). The impulse of the overhead compresses the gloveside portion of your rib cage (delays lateral tilt - momentum killer). Slide Step vs. Leg Kick: IMO, the slide step makes it way easier to drift, hinge, and rotate behind the lead leg. As I step in, I try to feel the front hip stay open and then ride the slope sideways before catching the hinge into rotation. The leg kick can be added in once the slide step has been mastered. Tread Athletics
1:30

Yamamoto Drill Progression 🧵⬇️ Yoshi has become the talk of Major League Baseball since signing with the Dodgers this off-season (rightfully so - he’s a freak). He does an incredible job of creating momentum down the mound, all while setting up his pelvis to rotate and block into FFS. If you’re a guy who struggles to do any or all of the things above, try this progression! 1️⃣ Javelin Lasso Variation: perfect to preset the pelvis in a position to block. Allows you to pull the arm into release using the spine and pec. 2️⃣ Abbreviated AA Roll-In: added momentum with the same benefits of the javelin lasso. 3️⃣4️⃣5️⃣ Yamamoto Walking Wind-Up (Abbreviated AA/Normal/Overhead): Abbreviated AA eliminates the arm swing (less things to screw up). The impulse of the overhead compresses the gloveside portion of your rib cage (delays lateral tilt - momentum killer). Slide Step vs. Leg Kick: IMO, the slide step makes it way easier to drift, hinge, and rotate behind the lead leg. As I step in, I try to feel the front hip stay open and then ride the slope sideways before catching the hinge into rotation. The leg kick can be added in once the slide step has been mastered. Tread Athletics

Turner Givens

59,703 views • 2 years ago

The exercise shown does a great job of training the Piriformis to lengthen (into internal rotation) and contract (into external rotation) to better control the space in the back of the pelvis, rather than just being stuck in a shortening position.
1:08

The exercise shown does a great job of training the Piriformis to lengthen (into internal rotation) and contract (into external rotation) to better control the space in the back of the pelvis, rather than just being stuck in a shortening position.

Conor Harris

48,280 views • 1 year ago

Tight hamstrings that don't respond to stretching are almost always a pelvic tilt problem. Your pelvis tilts forward, the hamstring attachment gets lengthened, and they contract to keep you upright. That's why the tightness never leaves. Fix the pelvis and the hamstrings finally relax
1:13

Tight hamstrings that don't respond to stretching are almost always a pelvic tilt problem. Your pelvis tilts forward, the hamstring attachment gets lengthened, and they contract to keep you upright. That's why the tightness never leaves. Fix the pelvis and the hamstrings finally relax

Zac Cupples

69,084 views • 23 days ago

95% of people don’t train this key component of hip mobility 🔑 Hip mobility is often expressed when the foot is fixated to the ground and our pelvis is moving over it. But most people overly fixate on hip mobility exercises where the leg is moving on the hip. Don’t forget the other end of the spectrum!
0:48

95% of people don’t train this key component of hip mobility 🔑 Hip mobility is often expressed when the foot is fixated to the ground and our pelvis is moving over it. But most people overly fixate on hip mobility exercises where the leg is moving on the hip. Don’t forget the other end of the spectrum!

Conor Harris

49,911 views • 10 months ago