alright what's up everyone morey croson here from the performance lab of California and we
have another news feed breakdown for you today on mark fields I gotta tell people to ask me
about doing a mark fields breakdown so I thought I would go ahead and do that for our wonderful
subscribers and commenters so without further ado we'll go ahead and get started big thing with mark
fields I'd say is that a really really good start notice how how much his hips go I mean look look
at how much of the hips drop as he's starting and he also does a really good job of dropping that
knee down and then using that to drive off that that front leg and is able to get a good amount
of overall distance on that front leg ok and then as he goes from the second step he's able to keep
a really really good spine angle I love that spine angle there I think it's excellent for
his the demand that he's trying to put on his body I mean and I think it kind of shows that
he has a really really good understanding really good proprioception of his body to be able to get
himself into that position cuz a lot of times I see guys that aren't getting themselves in the
best biomechanical position in their body and you know to me it's like I mean you should you
should feel that right but you know I don't like you think it's always that counterintuitive for
people and you can see from our field yeah it's definitely an intuitive thing for him so and
that's something that I would say the thing to take away from that would be feel how your body
feels where I feel if that feels correct right you want to be aware you want to get feedback
if you know if you're not in tune with what the output of your body is then it's gonna be that
much harder for you to get results and just gonna take that much longer we're all about to try to
get the faster results as quick as we can and real quick I'm just going to the numbers too
so here let's say boom touches down at 11:04 just to get some information on a start 11:04
and he's off by 11 to 5 he probably got off about 11 to 3 and that's what I see a lot of times their
start needs to be under 0.2 seconds that first step needs to get off the ground in under 0.2
seconds whoo now that other step comes down about 11 to 5 actually that's probably too early by 2
8 11 to 8 it's probably off at about 11 4 2 4 3 which is yeah I mean you usually won't have about
a point O 3 difference between that original step to the next step which his was 1.5 or sorry 0.15
so he actually got 0.05 change a lot of times we end up doing is you end up 1 to get to I'm
about a 1 1 but that's one of the areas that I would say that mark fields can really improve so
I would say start is definitely really really good he's picking up good of my ground he's maintaining
good posture and he's getting good good timing so all three checkmarks are definitely there
now as he goes into his top-end speed though this is what I think we can make an impact on
on his overall running and that's just that he has a lot of overall knee Drive not very much
overall extension and as too much of a focus on on being very very quick and pushing off rather
than being able to create as much power out of that that that back leg that extending leg so
let's go ahead and break it down so let's see here boom let's say he's touching 1425 ok and then he's
pushing back off maybe 14 I'd say probably about 3 3 cuz 3 5 he's definitely off the ground by then
right so he's got a point Oh 8 foot contact time and then he pushes it does he push stop 1433 in
1465 he definitely he's on the ground at 1468 so let's say he's at 1466 so he's got a point three
three transition time so I mean both of these are ease in a very very good position here if
he can maintain this transition time though which would be a little bit harder with him getting more
extension but and get a little bit more contact time that would make it so then he could probably
pick up more yards per step right because right now he's I mean let's say like left leg cycles
through here he's that the 34 yard line his left leg and touches back down at about the 339 so he's
thinking about five yards so it's not you know it's not bad obviously he's one of the the faster
ran for 37 so he's one of the faster guys that he's doing you know some really good stuff but you
could just tell that's gonna be something that you can work on and the other part of it that I think
will be important is it'll help him and being able to counter and sometimes we always be more of like
an energy energy energy injury prevention type of a thing right so instead of being because right
now I'm just almost positive that his hamstrings are very very tight he might even had a hamstring
issues in the past and part of the reason why he's had hamstring problems is because he's not able
to fully extend so he pushed off that back leg did you do that or his calves are really tight
you know might have you had some Achilles things but yeah I would definitely say there's something
happening within that posterior chain because of how overall tight it is and that tightness
is just coming because of a lack of being able to have a little bit longer contact time and because
you have a little bit longer contact time now you'll be able to extend off and get a little
bit more power out of your overall sprint so you know that would be definitely something that I'd
say you could you could work towards right is just being able to you know getting a stronger contact
time is not always the the best or a really short contact time is not always the best and
sometimes helps you by being able to extend that contact time just because it'll overall even yeah
because right here mark is really really good at getting that that knee drive in that hip flexion
almost one of the better guys look at how well he gets into that knee extension pulls I mean
that's one of the better guys that we've seen of being able to do that but he's a little bit
short in how he pushes off so he doesn't get full extension of the knee doesn't get full extension
of the foot you know just doesn't get all the way through in those areas and that's impacting his
to me again 4:37 it's good right I mean that's I don't know you you can't ask for much better
than that I almost think it's almost more of an injury prevention thing and especially because
he has a lot of a really good start to so you know being able to open up a little bit more
in the back should probably be able to loosen up itself better make it so you'll be overall
d because his professions not gonna be to run the 40 it's gonna be be able to cover somebody
so you know he's gotta be evolution of the hips and part of the reason he has tightness in the
hips is because of the over dominance he puts on hip flexion and the front part of the hips
and the the not as much overall utilization of the back part of the leg alright as always guys
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