hey what's up everyone morey croson here and today we're going to be going over
should you have knee extension when you're sprinting over start the video right now
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all right so this is a really interesting topic because i've had this conversation
with a couple people that have left comments and you know really the the conversation goes around
do we want to actually have extension in the knees as we're going through um our like front
side mechanics right so we have usain bolt here on the left we have no allows here on the right and
really you know at the end of the day there's not a question of if you actually do get knee
extension right we've seen the extension with noah lyles we see knee extension with usain bolt so
it just ends up being is it passive knee extension or is it active knee extension the difference is
passive is something that naturally happens from you know it it's a movement that will occur that
is not controlled by your body right uh while active is something that is something you were
trying to actually do okay so the question ends up becoming is this extension that is happening
within the knee something that they are actually you know doing themselves and you know that ends
up being a very very difficult question to you know kind of answer but i do want to go over right
what ends up being a necessary part of the action to make sure that you're able to get into this
position because for me personally i feel like every single thing that i do when i'm sprinting
i'm trying to control it right i want to be able to have complete control of my body and so and i
think a lot of the top athletes are doing that too i can't imagine you know noah lyles getting knee
extension here on accident right i think that he's really trying to force that extension in the leg
to help him maintain that upright position but you know i think there's arguments being made that
what they're actually doing is is reaching down with the leg and like pulling that foot across and
or behind and because of that that's how they end up getting the the same result essentially so
instead of you actually thinking about extending the leg here and pulling that leg back underneath
instead thinking about you know driving that foot backwards and because you're driving that foot
backwards that's what causes the knee extension right and that could be that could be the case
you could just be somebody that wants to really focus on pulling that foot backwards okay and
because you're pulling that foot backwards that's what's causing you to get the knee extension
you know again for me i really try to reach out with my feet to make it so i'm able to get to that
position right there boom and then as that's happening i pull that leg back underneath me
um but that's what you know works for me it's going to be different for everybody now
there's no question that you do want to be getting knee extension before foot contact right so you
can see he's getting into the full extension within the leg before for contact and the better
you can actually achieve extension i found the better you're going to be in terms of your top end
speed right so most people struggle and being able to get that that knee extension within the leg and
then be able to pull that foot back behind but the guys that are able to compete at the highest level
seem to be able to do that very very well seem to be able to create that knee extension before foot
contact and then pull that leg back underneath and then you know while you land you want to be able
to maintain as much of a knee extended position as possible you're going to end up going through some
degree of knee bend right to be able to decelerate but the more knee bend you get the worse off
you're going to be you want to be able to create more extension all the way through the movement
because then you can maintain higher posture then you're able to better decelerate within the lower
body or within the the foot which makes it so then you can transition off of that foot faster so
everything ends up being a lot better when you can maintain that knee extension a little bit better
with those front side mechanics and with your landing again obviously you can not you're not
going to be able to perfectly maintain it but you can see how well you know no aisles transitions
off usain bolt transitions off and it's because of the ability to really decelerate well with
their bodies but there's an extension right here before that foot hits the ground right that is
a necessary part of your sprinting and you know you absolutely want to be able to build that in
and you have to be able to have great deceleration mechanics to make it so when your foot lands you
just are able to minimize knee bend the best that you can or to your best ability you know because
that's gonna end up happening no matter what you're gonna end up having some degree of knee
bend but the better you could have that foot like right underneath the hip the better off you're
going to be again it's hard to really get it right underneath the hip but the closer you can to right
underneath the hip during that landing you know it's going to make it so you can propel yourself
off faster and also generate more force into the ground which are both obviously super important
when it comes to sprinting and running fast so as always if you like the information go ahead
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within our speed but i think the spree breakdowns are the best just because it really gives us the
opportunity to look at the mechanics and see how can we improve your start how can you we improve
your drive how can we improve your top end speed what are some drills what are some exercises what
are some concepts to be applying in your actual training to make it so you can really take your
game to a whole nother level and that's what we want to continue to do for you guys is just help
you get to the next level we do have speed programs we do have a lot of options for you
but really going deep into your mechanics ends up being a big thing to really make sure that you're
able to get from you know one to higher and higher and higher levels so thanks again for watching
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