# 14 year old mechanics. Requeest feedback and advice

My son is 14, 8th grade. His 4 seam is ~75-80 MPH. Looking for advice to improve his mechanics.

Looks good. A couple of pointers to get you started:

1. Heâ€™s got a very short stride. Part of this might be from throwing flat ground, but most likely this carries over to the mound. Iâ€™d like to see his sideways lunge toward the target be much more aggressive, which will help expand the stride.

2. At ball release, his head is behind his front foot. Ideally youâ€™d like to be generating enough momentum forward that at release the head is out over the front foot (or even in front of the front foot.

Which brings me to the next pointâ€¦

1. He finishes very upright - never gets to a flat back position on his follow through.

Hereâ€™s what your sonâ€™s ball release (point #2) and follow through (point #3) should look more closely like:

Trevor Bauer body is much farther forward at release and follow through.

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Steve,
Appreciate the feedback.

Stride
His is 5"6" tall and his stride is ~5â€™ from front of rubber to his front foot heel (in this case there is small piece of tape on the ground representing the rubber). I know this because, I have a video analysis tool that measures distance and velocity. During his stride and hip rotation, his back foot travels significantly forward. So at ball release the distance between his feet is reduced. However, the distance between his front foot and the rubber (tape in this video) is ~5 feet. No doubt his stride has room for improvement, and stride (driving down the mound) is one thing that I always remind him of. Weâ€™ll continue to work on that.
Head out over front foot and flat back

You made me think more deeply about this. My son releases the ball off of a straight front leg. His straight leg is maintained through follow through. This straight front leg posture is most pronounced on his â€śI mean itâ€ť fast ball. In this video he is dissipating some of his energy by rising up on his front foot toe. I need to see if that happens on the mound too. I think that the snap shoot you took at ball release was on his first few pitches (from the stretch) and his intent to really let it go hard wasnâ€™t quite there, so his front leg had a slight knee bend.

I think (and I am guessing a bit) that it is more difficult for a â€śstraight legâ€ť pitcher to get his head out in front compared a â€śbent kneeâ€ť pitcher. It seems that if a â€śstraight legâ€ť pitcher bent over to the same degree as a â€śbent kneeâ€ť pitcher that he would have difficulty maintaining balance in follow through. Said differently, the â€śbent kneeâ€ť pitcher has much better ability to use his quads/butt/back to control body deceleration and posture in the follow-through. I see the same things in Justin Verlanderâ€™s fast ball mechanics, namely straight front leg, fairly upright back, and head behind front foot. See the top video clip of JV; Justin Verlander pitching mechanics (GIFs). The lower clip appears to show off-speed pitches, cause he is clearly bending his knee.

I am not saying that itâ€™s right or best way or that my son doesnâ€™t need to improve on his mechanics. I am simply making the observation and comparison. One question that comes to mind is; is a â€śstraight legâ€ť pitcher more susceptible to arm injury?