The track and field world championships are taking place and one thing I've been doing in every race video is watching the stride of the runners in the replays. When they land their leg is basically straight or only very slightly bent. I've taken video of myself and realized that I land with a pretty bent knee.
My guess is that by landing with a straight leg your center of mass travels more quickly over your foot and you engage your glutes and hamstrings more. I think the form that I've developed is more reliant on my quads and instead of pulling through with each stride I fall into each step and then push at the end to reaccelerate. Sometimes when I watch video of myself running I think that it looks like I'm running with flat tires. I never really knew why that was the case but now I think it has to do with running with squishy bent legs.
Into the fall and over the winter I'd like to focus on straightening my leg while sprinting and strengthening my glutes and hamstrings. My hope is that by cleaning up my form I can make a big jump in speed and performance.
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