Yup. For instance if you look at Amanda Scarborough in the Power Drive video she bends way over but when her back foot comes off the ground she is not in the 'sprinters stance'. I always find it interesting that the sprinters stance is used as a model in women's fastpitch but not in men's. The men come into launch position from the top down, the women do it from the bottom up. So I see girls who get into the sprinters position and launch out too much with the upper body and never get their hips back underneath them.
The top down compared to bottom up observation is really interesting. I totally agree. I am not sure, however, that what we are calling the sprinter’s stance is that different than where Scarborough is when her back foot leaves the ground. See below. She doesn’t have the benefit of the back foot off the rubber, and some girls have more hinge on their “sprinter start.” But I think she is in a similar position otherwise to what people are trying to achieve with the sprinter start. It’s just the first part of her motion, with the deep waist bend, is eliminated.
I would add too that trying to study this from photos and videos (i.e. positional analysis) is probably of limited value. The folks that I’ve heard advocating this type of start will tell you loads more about foot pressure, joint angles, sequencing, and a lot of other points that can’t be gleaned by watching a video. They would say that it’s not the positions but how they are achieved that’s important.
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