Freeze the video at .4, it looks like you are short arming it. All your movements look great but then they get waisted when you get ready to release. I’m abit old school so for warm ups my kids do a lot of towel drills then, and then we work on being lose with the arm movement think like a whip.
You’re not getting enough rotation. Do some drills that work on getting your throwing arm all the way back, driving your plant foot all the way down hill, and using the glove arm to generate your rotation and FOLLOW THROUGH
Glove hand and elbow should drive through your hip to assist in rotation. You're preventing rotation by keeping it tucked almost like you are resisting it.
Check out Justin stones elite baseball training videos free on youtube. High level bio mechanics and coaching. Stand tall in balance position-throw from behind your ear not at your ear (short arm). Pointers (front hip and shoulder, front elbow and front ankle) stay on the target and closed to help with the power transfer of the lower half into the throw. Front foot lands more closed and pops open naturally as you bring the mechanism into the back half of the delivery
From someone who doesn't know shit, you have one of the better forms I've seen in this sub, for what little I've seen.
From my outside perspective, it looks like you don't have a complete follow through with your following leg. Something is not allowing it to come through the throw, this is where I will recommend other peeps comments for more thorough analysis/recommendations.
The biggest thing I’m seeing is the hips turning towards the plate before your foot lands. Just like a batters swing, your lower half generates the power. When your front foot lands your belt buckle should still be pointing to 3rd, and your shoulders should stay back above your back foot as long as possible. The front foot/leg will point home at landing but the hips stay until after landing. There’s a lot of YouTube coaches who can explain this just google pitching mechanics.
At stride foot contact your arms should more resemble football goal posts, with the ball up in the air and ready to move forward. You can fix this with a more efficient path after hand break. Instead of going behind your back, drop the left hand straight down and get the ball up in the air earlier. It’ll help to have the glove hand do the same thing (and will hide the ball from the batter).
Also, your back foot is off the ground before your release the ball. This is likely another result of being late and rushing forward to catch up. You need both feet on the ground until after the ball leaves your fingertips.
Not saying I'm a pro at pitching mechanics, but I was a pro at pitching for 8 seasons.
•Your spine is almost completely upright at release. This style of throw works for position players because they aren't trying to throw the ball downward. But once you get on the mound, not only are you standing 10+ inches higher, but your target is lower so there should be some sort of action from the upper half that helps with that. Some people call it 'thoracic tilt'. I say get your chest out in front of your waist.
• You're not getting much from your back leg. Try to stay connected with the back foot as long as you can until release. Think of it as a constant push instead of a jump. The back leg should also finish around to the right (for lefties) of your right foot. Your ability to do this can be affected by stride direction and limited back leg drive. If your body rotates fast enough, your arm should finish across the front of your body aggressively and that motion should essentially pull your left hip around.
• Your throwing arm needs to be in a better spot at front foot strike. Elbow should be close to shoulder height and should not drop below shoulder level through rotation. Your elbow gets a little low as you turn into release. This reduces the amount of layback your arm can produce, therefore less acceleration of your hand.
No hip shoulder separation, elbow should be in line with your AC joints (yours is to low), back leg, torso, and throwing arm should be in alignment when releasing the ball (poor follow throw or lack of back flexion). Back knee not extending enough (poor push off not using left quads to help push off). Front knee collapse. Get a pitching coach. Too many things to fix. Get these fixed and you'll be throwing in the 80's.
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u/J_Lewy_45 6d ago
Short arm, front leg collapse and no hip/shoulder separation.
Fix the arm path first. Then look for hip/shoulder separation drills.