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    So lactate monitors sounds weird apparently they’re the most important Revolution to hit the prop pellaton since heart rate monitors bet they’re going to be banned so these are new devices that continuously track your lactate levels lactate is a substance made continually by muscle tissue and red blood cells it’s really important

    Because it carries oxygen from your lungs to other parts of your body when you exercise the amount of lactate you produce increases during vigorous exercise there come a Tipping Point where the amount of lactate you produce outpaces the body’s ability to use and clear it so it builds up in the blood

    And muscles and you feel pretty rough this point is often called the lactate threshold when you’re over that threshold you’ll typically see a decline in performance so Riders lactate thresholds are often used at the top level to inform training decisions and base your zones and training plans on do

    You know the difference between lactate threshold and an FTP uh they are very very similar FTP is a lot there’s different definitions FTP the way Ken Coach Ken has put it to me should be the power you can put out for an hour so all of the tests ramp tests 20 minute tests

    Minus 5% all of that is trying to replicate that uh the best thing is doing a proper lactate test where you actually find out what you but most people’s lactate thresholds and ftps are very very similar yeah if my understanding is an FTP P test is attempting to work out what your lactate

    Threshold is yeah yeah so it’s it’s kind of like a a a mathematical method for roughly trying to work it out whereas an actual lactate test is going to tell you what the actual exact figure is exactly where you can do an FTP test at home

    Whereas even a coach has to have some sort of qualif ification or medical training because it involves pricking the rider’s finger yeah taking a blood sample or very tiny it’s just a tiny blood sample while you’re doing the test in my experience and uh then they’ll put

    It through a little thing and it will give you a lactate reading every single you know every time you test it so it’s every two minutes or whatever uh and you have to have like you have to be qualified in some way to have a proper

    Sharps disposal bin and all of this kind of stuff so if a Coach is doing that they’ve gone through proper training hopefully yeah no one’s expected to you know you’re not going to do that at home are you so people opt for things like the zift ramp test because it’s easier to do

    Yeah I I feel like it’s the sort of thing that normal people are fine using an FTP and the top end the top 0.1% of actual proper professional athletes are probably always doing lactate tests anyway but in a much less convenient way than this kind of new technology which

    Is which is popping up if they’re around the team uh uh well I did I was I did a training camp I was on a training camp with a and did a couple of rides with them and they were in the like early season testing phase and they were doing

    Both lactate tests and they were doing 20 minute tests up mountains as well in calp so they would just there would be an outdoor test where they they weren’t checking lactate and then the indoor one they were checking lactate so there’s a mix y um I guess what equipment they

    Have cuz the lactate test they have to have the expert there mhm they have to have the sports scientist there or the coach or whoever it might be so it’s less repeatable and accessible but if you’re a pro and you want to like if they they probably are testing a few

    Times through the season not always going to have a sports scientist guy there yep but yeah we asked our pal will gurling who’s the team nutritionist for EF Pro cycling what he thought about continuous lactate monitors and their potential impact on training and results he told us that a lot of pro teams

    Already monitor lactate levels closely and they’ll be doing that with the finger pricking many will do this by doing stuff like ramp tests and taking frequent lactate samples through the test so the only difference a monitor would make would be the more frequent readings he said that he could see the

    Benefits as it gives you a much more accurate picture of where lactate is accumulating and in conjunction with data on blood glucose levels gives you a really good picture of a rider this allows them to make more accurate tailor recommend ation in terms of training and

    Fueling I think it’s a very it’s going to make the lives of the team staff much easier and the Riders lives marginally easier because having your finger stabbed repeatedly is annoying it’s very unpleasant isn’t it it’s not great yeah I mean it’s it would become like oh it’s that again yeah um

    It’s minor but it would be annoying and the the data is going to be well massive in comparison yeah so I’m assuming like a is it like a uh thing like a diabetes blood sugar sort of deal I’m assuming that’s the case so so there’s already uh

    Monitors where you basically stick it on your arm it looks like a nicotine patch and it monitors your blood glucose levels uh there’s a couple of different companies that are doing them to monitor Health there’s some companies doing them for just like normal people being able to monitor their health um and assuming

    What this technology is is essentially that but with the added option of also monitoring lactate which for the very small number of people at the absolute top of top of the pyramid it makes sense it’s the sort of thing that if I was still training I would want I definitely wouldn’t need

    But it’s the sort of thing that I’d be like well that’s cool to know it would it worth it for the inconvenience of the thing like does it feel invasive my brain while you were saying all that was just going how many years till Garmin released some sort of microchip that you

    Put in your like in your wrist and then it just does everything that a wearable does and it measures all your blood glucose and lactate and everything well it would have to be more than a chip there would have to be a lot of sensors in there yes futuristic ones well the

    Future is that we become cyborg so yeah oh cool but potentially we already are cybor I’ve never seen you not holding your phone you’re even holding it now off camera literally not and I’m also on camera you got two phones I know you got two phones neither of them I have one

    You’re always always holding with your third arm which cuz you got a fake arm there my cyborg arm yeah uh when it comes to how much impact it will have the pro Community is divided A’s a A’s director of performance told new site V they’d be in evolution in training and account for

    Huge Fitness gains others say the in training application may be limited or that will take you years of context to truly understand and fully utilize the numbers processed the UC has an Inc competition ban on these tracking devices of course I do but there is no regulation on the use in

    Training which I I I feel like the the benefits come from having them in training and outside of competition anyway I find it odd that someone would suggest that it will take years to utilize the the numbers produced I feel like surely there’s enough knowledge and science already done on black tape for

    Them to get instant benefit M that does seem weird why do you why you you seem to suggest that it was obvious that the UCI would ban it because they ban everything oh okay yeah purely that they haven’t banned heart rate monitors they haven’t have they will it trickle down

    To the consumer Market I think yes because it’s the type of product that’s going to be so easy for massive corporates to sell to normal people the uh Zoey is a company that do like a blood glucose thing and they’re really driving it in like the Health Market

    Space and it’s got a subscription model like everything does these days I imagine this is going to appear in the consumer space uh is it needed no will people buy it yes probably it’s it’s just it’s one of those things you know if you’re training

    A lot I I it’s the kind of thing where I’d be like well it it it would be cool to know I definitely wouldn’t need it and I’m definitely not going to get it now but it’s the type of thing 10 years ago I would have been like yeah that’s

    Sick let’s get let’s get on that if there was a thing that meant that I could know my FTP all the time without having to do a test and hurting myself on an indoor bike then I would do it that is that’s that is interesting but you still have

    To do a test so well would you though it’s it’s I don’t know it’s interesting that maybe that’s where it’ll evolve is actually you can have like a you know a 12we block of training which doesn’t require regular testing and you’re actually just training purely training Garmin watch or Garmin Connect I don’t

    Know which one is doing the calculation but Garmin doesn’t you don’t have to do a test in order for it to kick out an estimated FTP if it had this data as well it could surely it could more accurately guess your FTP yeah after every ride well arguably it isn’t a

    Guess if it’s a it’s an a good estimate very good estimate well with a lactate monitor surely it’s not an estimate it’s the it’s a factual figure yeah it’s probably a formula

    11 Comments

    1. The trainers coaching marathon runners are now setting the initial pace based on lactic thresholds. Regardless of your personal fitness/anaerobic capacity the lactate build up derails your late game strength and stamina

    2. Interesting idea. I agree that it will probably be sold to wealthy consumers in a few years, probably as a re-purposed medical device with at $100/month subscription, similar to glucose monitors. Just one thing though, your introduction makes no sense and was factually wrong in all sorts of ways. I know that you are not doctors or sports physiologists, but please read the Wikipedia article on Lactate threshold: https://en.wikipedia.org/wiki/Lactate_threshold

    3. As professionals are already using lactate – finger prick style, very regularly, the difference will be negligible for them. Where I think you’re going to see the biggest gain is actually in the level of top level age groupers (particularly in the triathlon world, where they are data geeks)- actually. A wearable will be able to allow them to train at a professional level because they can monitor themselves equivalently. The gap between age group and professionals will shrink dramatically, but it’s not going to level up the professionals much more than they already are.

    4. I think it will be a while yet. Most coaches just do a needles and sharps training course, write up risk assessment, invest in PPE and disposal get insurance. It’s pretty quick and cheap to set up to do lactate testing. Personally finding SmO2 nirs sensors a lot more useful.

    5. I recently did my third test at Loughborough Uni which incorporates lactate testing, I’ve found both ftp and ramp tests to give me a higher FTP value than my lactate threshold, for example my best 1hr power this year was 299w, my Zwift ramp test said 333w and my lactate threshold was 280w.

      It’s worth mentioning that there are two lactate thresholds, LT1 is usually at the top end of Z2 and then LT2 is at the top end Z4 (6 zone model).

      Personally I’ve found it really helpful to know these metrics and base any training around them, I’m not sure I’d use a wearable device though as once you know the values HR and power are fine metrics to know where you are in relation to your thresholds at any time.

    6. they say in their product site that it gives the data after the workouts, so this is just not good enough… and smelling the lactate from sweat temperature and salt amounts is quite far fetched from blood or muscle lactate for my thought process

    7. I feel like LT being the same as FTP is a misconception. They are correlated and might indicate a change to your FTP in the short term, but in general I don’t think you can check someone’s LT and say what is their FTP? It would be boring if it was the case, no? 🤪

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