Peloton Bike Fit

  Рет қаралды 186,560

Dr. Vince

Dr. Vince

Күн бұрын

Пікірлер: 143
@Blackngoldjeff34
@Blackngoldjeff34 4 ай бұрын
This is SO much more insightful and helpful than any videos or information the actual Peloton company provides.
@DrVCatt
@DrVCatt 4 ай бұрын
So glad it was helpful! Shut up legs! Ride on…😊
@Domme857
@Domme857 Жыл бұрын
We tackled assembling the bike as a family project. kzbin.infoUgkxzg0clhbtRf2gGxPkVETFKJJKGqdsorQu The package is heavy, but I have 2 teen boys that were able to move it. The written instructions were great- we didn't need to watch the videos, but it was good knowing that the option was there if we needed it. After we were able to get it set up, the boys each rode 3 miles and I rode 8 and the bike stayed quiet. The display is easy to reset, and you can put it on whichever setting you are using (time, distance, calories, etc). I will say that my butt is a little sore from the seat, but that could be because I haven't rode in a while. While it is comfortable for me, it was not comfortable with the seat position for my friend (could not move the seat back far enough and he slightly looked like a kid riding a tricycle that he had outgrown). He also said that the seat hurt his manly parts. We are going to look for a different seat that will be compatible with this bike for him.I did purchase the Wahoo Cadence sensor and strapped it to the crank of one of the pedals. This will sync with my Apple Watch, iPhone and will import data in to my Health app. Wahoo does have other sensors available other than cadence. I can also keep either my phone or my iPad on the display and they both feel pretty secure.
@tabithagreen4710
@tabithagreen4710 2 жыл бұрын
I adjusted my bike based on your guidance and it made a world of difference! Thank you so much! My back, hips and knees are grateful! Please let Peloton corporate know from a medical perspective the proper bike fit and alignment so people can avoid unnecessary pain with extensive riding at the wrong bike fit.
@DrVCatt
@DrVCatt 2 жыл бұрын
Unfortunately corporate doesn’t appear to be interested…
@DrVCatt
@DrVCatt 2 жыл бұрын
@@rosepond7178 appreciated but my guess is that it will fall on Deaf ears. I did the video because of the number of injuries I see in my office because of poor advise from peloton thus far. It’s unfortunate.
@DrVCatt
@DrVCatt 2 жыл бұрын
@@rosepond7178 in fact I gave my bike back because I couldn’t stand watching the instructors riding with horrible form… eventually this will come around and be a huge problem.
@jenross2045
@jenross2045 2 жыл бұрын
@@DrVCatt I just got my bike form peloton and am thinking of giving it back as well. I didn’t have any issues taking spin classes at a local Y for years and with this bike, I’m overly concerned about causing any damage to myself. I already feel knee pain and lower back pain. Thanks for the video. I’ll try again before I decide.
@shenisenicole103
@shenisenicole103 2 жыл бұрын
@@DrVCatt wow!
@sugaglida
@sugaglida Жыл бұрын
Everyone who owns a Peloton needs to see this video. Thank you so much!
@MekdesLilys
@MekdesLilys 9 ай бұрын
Right because since I started doing the bike workouts my back is in so much pain
@christinelanois7826
@christinelanois7826 2 ай бұрын
Just purchased a Peloton. Thank you so much 😁😁👍
@DrVCatt
@DrVCatt 2 ай бұрын
Enjoy the rides!!!!
@TheQmoney60
@TheQmoney60 8 ай бұрын
Thank you so much, definitely saved me from some future issues. I had the position wrong for the past 3 weeks 🥴
@DrVCatt
@DrVCatt 8 ай бұрын
Really glad it helped you!!
@myrtlebanks4004
@myrtlebanks4004 3 ай бұрын
Thank you, I just got back on my Pelton using your advice and my back, knees and hip thank you. 6 years riding wrong with the suggestion from the Peloton store. They told me exactly to adjust my seat against my hip. Thank you, I wished this video was out 6 Years ago. 😊
@DrVCatt
@DrVCatt 3 ай бұрын
So glad this helped you! Ride on!
@SDA0271
@SDA0271 3 жыл бұрын
This video needs to go viral around the Peloton community! Thank you so much for this no nonsense straight forward guide. In terms of seats, I think most people agree the stock Peloton seat is horrible. I tried 3 aftermarket seats and settled on a Serfas RX Race Ready saddle. I made a small adjustment to that to keep the nose of the seat down slightly, but still allowing me to sit upright hands off the handlebars and still peddle normally. Took pressure off the underneath area. THANK YOU AGAIN!
@samb316
@samb316 3 жыл бұрын
Didn't give yourself enough time to break in your own body to the seat.
@SDA0271
@SDA0271 3 жыл бұрын
@@samb316 I've been riding bikes long enough to quickly know when a seat is going to be good or bad.
@samb316
@samb316 2 жыл бұрын
@@SDA0271 user error.
@erinzupicich5995
@erinzupicich5995 2 жыл бұрын
As soon as I followed your instructions I immediately beat my PR on a 30 min ride. I feel much better and feel I got more out of my workout today than I have for the past 3 months. Thanks, Doc!
@randymartin3856
@randymartin3856 Жыл бұрын
This bike was really easy to assemble kzbin.infoUgkxMesz3KOGEmwmvyKQfLfrRSUXLFzfVHZA and required very few adjustments out of the box. The wheels did not require any truing/adjustments. The frame had some small scratches, but nothing major.I did replace the seat though - the seat it came with was very uncomfortable. The tires need to be re-inflated every 4-5 days, but this appears to be quite common for the narrow 700x25 tires.Overall, in my opinion, this bike looks and rides like a much more expensive bike.
@AC-dz9yq
@AC-dz9yq 3 жыл бұрын
Thank you so much for this-I’m a short woman (five foot four on a good day), and my form never quite felt right. Super helpful explanation, and I used screenshots of Blair’s form for reference! Thank you.
@mitchramer1523
@mitchramer1523 2 жыл бұрын
The way she stares into my soul when he says “bottom of your pelvis” absolutely cracked me up
@kailahgonzalez7757
@kailahgonzalez7757 2 ай бұрын
this helps a lot because there is no explanation from peloton about the relation between handlebars and seat, and so I end up adjusting my seat too low to make handlebars feel better. Been wondering why my hips/hamstrings/shoulders/neck are so tight!
@DrVCatt
@DrVCatt 2 ай бұрын
Very happy this helped you!!! Ride On!
@desireem4524
@desireem4524 3 жыл бұрын
Came here because I was having discomfort in my low back! I was set up very wrong! Thank you for these tips!
@21Patrice
@21Patrice 3 жыл бұрын
Thank you. I noticed a huge difference after I made the adjustment to my Peloton.
@BaraAnne
@BaraAnne Ай бұрын
I'm loving my Peloton. I'm a former road biker and road with the Princeton Freewheelers for years and at 60 I'm at a point where I fear vehicles.
@candacejohnson5661
@candacejohnson5661 Жыл бұрын
I have been using my peloton for a few months now and wondered why the rides felt so difficult. Made the adjustments and the ride felt smooth and I was able to create a new PR on a 45 min ride. My legs feel a whole lot different and I honestly could have taken another class the way this ride felt. Thank you so much!
@DrVCatt
@DrVCatt Жыл бұрын
Ride on!!!! Glad it helped.
@michellee2221
@michellee2221 3 жыл бұрын
This video is better than the explanation in the setup videos! Thank you!
@pianoguitarsinger
@pianoguitarsinger 3 жыл бұрын
I love it! He also sounds like Jim Stoppani.
@greenplant4
@greenplant4 Жыл бұрын
Thanks for this video! I have adjusted from 9/10 to 17 and my knee is already thanking me!
@mckindo64
@mckindo64 Жыл бұрын
If Peloton doesn't have a tutorial like this...they should. I am a month in to riding my Peloton everyday and lately it just has not felt right. Really looking forward to setting it up properly in the morning. My seat was def too low and too far back.
@DrVCatt
@DrVCatt Жыл бұрын
That's so true. Hope the adjustments help.
@GloveBoxGaming
@GloveBoxGaming 3 жыл бұрын
Great video and BLAIR IS BEAUTIFUL!!!
@ashleesandridge
@ashleesandridge Жыл бұрын
Omg!! I just adjust my measurements according to what you said and when I say I haven’t even taken a ride yet and can feel the difference ❤ thank you so much!!
@DrVCatt
@DrVCatt Жыл бұрын
Love this! Fantastic. Enjoy your future rides
@jrambo8784
@jrambo8784 10 ай бұрын
Thank you very simple to follow! Hoping to get rid of my medial knee pain!
@DrVCatt
@DrVCatt 10 ай бұрын
good to hear. let me know how things progress for you
@fiercelyrealchic
@fiercelyrealchic 2 жыл бұрын
Thank you for this information. I’ll be checking my settings tomorrow. My neighbor who cycles at a gym swears by the seat to hip settings. She had to have knee surgery a few months ago. She’ll be surprised when I share this with her.
@seandunderdale
@seandunderdale 8 ай бұрын
I have had some recent hip pain after a lot of peloton riding and after this video I'm pretty sure I was riding to the seat too low.
@DrVCatt
@DrVCatt 8 ай бұрын
Glad this may have shed light on a potential long term issue.
@michaelgriffiths8912
@michaelgriffiths8912 3 жыл бұрын
Great tips, thanks Doc Vince, I'll try those tips.
@bungalowtomcat1
@bungalowtomcat1 5 ай бұрын
GREAT VIDEO THANKS I'm going to be picking up a Spin Bike and I have to Transport it on it's SIDE. It will already be set up to RIDE/USE I will lower the bikes BARS and SEAT. What are your thoughts on lying the bike on it's side In a LARGE 4x4 ??? Will Lots of pillows help from the rocking of the CAR ??? Is it going to reck the INTERNALS of the BIKE ???
@DrVCatt
@DrVCatt 5 ай бұрын
Not even a little. You have a good strategy to transport it. It will be just fine. These bikes are really strong.
@bungalowtomcat1
@bungalowtomcat1 5 ай бұрын
@@DrVCatt so on its side with lots of pillows and cushions Will it damage the brake pad ?,,, Thanks
@DrVCatt
@DrVCatt 5 ай бұрын
Shouldn’t. Just make sure it’s not resting directly on them. Nothing is for sure in this move of the bike but it sounds like you are taking correct precautions.
@rebeccalongmire7951
@rebeccalongmire7951 Жыл бұрын
Thank you SO MUCH! Makes so much sense!!literally game changing for me.
@DrVCatt
@DrVCatt Жыл бұрын
My pleasure. Thank you for the response
@bananka80
@bananka80 Жыл бұрын
Seriously ! As someone with 2 hip arthroscopies, the whole reason for getting the bike was for the hips. Then the bike started giving me nasty neck tension even after 10 min rides. This has been a lifesaver! I no longer have to dread the workouts and every part of my body feels great after riding.
@DrVCatt
@DrVCatt Жыл бұрын
As it should be. Glad you can move forward and stay as fit as you desire
@stephencollins7714
@stephencollins7714 Жыл бұрын
This is great, really helpful, can you talk a little about fore and aft seat adjustment too please, the guides that I have seen suggest using a fingertip to elbow distance as a rule of thumb, is this a suitable proxy?
@DrVCatt
@DrVCatt Жыл бұрын
I’d be happy to. Please email me, kinesiocatt@gmail.com. I’ll elaborate there. Just easier for me
@MsSparkless1
@MsSparkless1 3 жыл бұрын
Thank you! I have been searching for a good video to explain the seating height. Also I’ve been wondering about the shoes. At what level should the hook be on the shoes? There’s different lines on the bottom of the shoes. Additionally, how do I know if I’m ridding correctly when I’m standing? Thank you!
@davidreed2626
@davidreed2626 2 жыл бұрын
good questions. I'd like to see the feedback on those as well
@BostonRoger
@BostonRoger 2 жыл бұрын
I appreciate you! I was riding with my seat height at the propersh height (I'm 6'1 riding at 29/30 depending on the day). The mistake I was making as I measured the seat distance completely wrong. I was WAY too close and my "Vastus Medialis" was KILLING ME, almost felt like I was going to tear something in my knee.
@Michelle12069
@Michelle12069 2 жыл бұрын
Thank you so much for this video!! It had really helped me out!
@DrVCatt
@DrVCatt 2 жыл бұрын
Thank you for sharing. It was my intent to help and I hope your rides bring you much fitness and joy!
@thenightporter
@thenightporter 2 жыл бұрын
I am getting my Peleton next week; I hope that along with cleaner eating, the bike will provide me with a figure like Blair's. 😄
@DrVCatt
@DrVCatt 2 жыл бұрын
It’s all About disciplined nutrition and commitment.
@mbgolash7966
@mbgolash7966 Жыл бұрын
I’ve done this and am in line with all of it, and since I have been having worse hip pain and stiffness
@DrVCatt
@DrVCatt Жыл бұрын
Okay, no worries. Why don’t you send me an email and describe your issues or you can send a short video to drvcatt@outlook.com
@-iIIiiiiiIiiiiIIIiiIi-
@-iIIiiiiiIiiiiIIIiiIi- 2 жыл бұрын
Dr. Vince you lucky dog!
@deannaanzevino
@deannaanzevino Жыл бұрын
Thank you for this!
@nwokobia
@nwokobia 10 ай бұрын
Awesome! Thank You for this!
@DrVCatt
@DrVCatt 10 ай бұрын
Glad it’s helpful to you. Ride well and enjoy.
@shixa101
@shixa101 2 жыл бұрын
Thank you!!! This feels so much better!
@DrVCatt
@DrVCatt 2 жыл бұрын
You're so welcome!
@GeneSquires
@GeneSquires 9 ай бұрын
This is awesome instruction!!
@DrVCatt
@DrVCatt 9 ай бұрын
Glad you think so! Ride on!
@julz2392
@julz2392 Жыл бұрын
This really helped me! Thank you!
@doubtfuldreamer
@doubtfuldreamer 3 жыл бұрын
Thank you, I will try these tips
@gregcalhoun3741
@gregcalhoun3741 2 жыл бұрын
Awesome video. Blair = Gorgeous
@Triathlon.
@Triathlon. 3 жыл бұрын
Thanks for sharing! Training a lot on stationary while we look to buy our first real bike. This helps
@kennylovehannah7312
@kennylovehannah7312 Жыл бұрын
Gym 2023 ❤
@ingridlasalle7313
@ingridlasalle7313 2 жыл бұрын
Thank you for a great video! I’m about to adjust my bike now! 🙌🏽
@DrVCatt
@DrVCatt 2 жыл бұрын
Glad it helped!
@JSmih7
@JSmih7 3 жыл бұрын
Great video, thank you
@StellasVegetablegardens
@StellasVegetablegardens 3 жыл бұрын
thank you i am on road to hip replacement but hopefully i can delay it
@DrVCatt
@DrVCatt 3 жыл бұрын
I just picked up on your post. If you’d like some tips on delaying the replacement maybe I can help. Look me up of FB or email me at drvince@lpfmethod.com
@TicoB88
@TicoB88 3 жыл бұрын
Thanks dr vince
@margueritawebb2083
@margueritawebb2083 3 жыл бұрын
Thank you, excellent demonstration.
@sandysteinbrook
@sandysteinbrook 2 жыл бұрын
Very helpful. Thank you!
@juliewood823
@juliewood823 Жыл бұрын
WOW !!!! Thanks for the info great
@DrVCatt
@DrVCatt Жыл бұрын
Glad you found it helpful
@jesuswong5119
@jesuswong5119 2 жыл бұрын
Would love a follow up on this story.
@jiaweizhang5145
@jiaweizhang5145 3 жыл бұрын
Thank you!
@chantjones33
@chantjones33 3 жыл бұрын
Thank you very helpful
@Specwryter
@Specwryter 2 жыл бұрын
Great video thanks
@DrVCatt
@DrVCatt 2 жыл бұрын
Glad you liked it. Enjoy your ride!!!
@ladykate2012
@ladykate2012 3 жыл бұрын
Thank you so much for this!
@8doctor8
@8doctor8 3 жыл бұрын
Great video!
@motorcityjudy
@motorcityjudy 3 жыл бұрын
Thank you for making this video! Good information!
@MOVIEKICKS
@MOVIEKICKS 2 жыл бұрын
After setting up the bike properly, how do you attain proper posture on the bike so you don't mess up your back?
@snuffles7314
@snuffles7314 2 ай бұрын
Great advice in general but I definitely disagree with one aspect of the handlebar position. New riders and riders in general are actually better served with handlebars raised above the seat. It’s less aggressive and easier to maintain proper form as you go through your workout. I found this out the hard way. 🥴
@DrVCatt
@DrVCatt 2 ай бұрын
Well said and great point. A higher bar set is more slack for the riders upper body (neck, arms, upper back). Thank you for this perspective.
@mikestrophytruck
@mikestrophytruck 2 жыл бұрын
Great video I have a question about hip pain on my bow flex M5 Max trainer elliptical. There are no adjustments for your hands or your feet and was wondering if you seen people getting hip pain from this machine.
@DrVCatt
@DrVCatt 2 жыл бұрын
Send me a video from the back and side as you do the elliptical. Let’s have a look at the mechanics… poplme.co/drvcatt/share
@randomyoutubevideos3503
@randomyoutubevideos3503 4 ай бұрын
Why is the bike so close to the table? Head injuries can be dangerous if you fall over while chipping or unclipping the bike.
@ollielong7768
@ollielong7768 2 жыл бұрын
Hi there, do you have any advice on the angle of the seat?
@DrVCatt
@DrVCatt 2 жыл бұрын
It’s all about pressure in the hands. The more the nose of the seat is tipped down the more forward into your hands the pressure will be. Being that your spinning and not road/MTB racing I’d start with the seat flat, parallel to the ground
@cathleengallo
@cathleengallo Жыл бұрын
Is there anyway you could do a zoom peloton fitting for myself? I am experience numbness and tingling predominately in my pinky and ring finger.
@DrVCatt
@DrVCatt Жыл бұрын
Of course. Let’s meet first to set up the fitting. Here’s a zoom link to put us together calendly.com/drvince/zoom-biz-meeting
@cathleengallo
@cathleengallo Жыл бұрын
Great! All scheduled. Looking forward to it.
@krisgomez4919
@krisgomez4919 3 жыл бұрын
I'm having ourltrageous pain in my knees 😫 I ride my peloton and sadly think it may have caused some of it. I have flat feet and have purchased 3 different biking shoes. I'm still not happy with them. My right foot and left knee are hurting now. Watching this now! Hope this helps. Thank you
@lstein0
@lstein0 3 жыл бұрын
I'm no expert, but my knees hurt when I'm out of the saddle too much, and also, I would play with your cleat settings. I needed to put mine in a position that was more natural for the way my feet "turn". Made ALL the difference.
@latriciawatkins3947
@latriciawatkins3947 2 жыл бұрын
wonderful video. thank you for thorough explanation.
@latriciawatkins3947
@latriciawatkins3947 2 жыл бұрын
this is exactly what my orthopedic surgeon told me. i’m 8 months post achilles rupture and he said to extend your legs more in the seated position -without locking them out. similar to the changes your recommended for her to be more open
@davidreed2626
@davidreed2626 2 жыл бұрын
any tips on how far back/front the seat should be? I feel like everytime i adjust im either waaaay far back or waaaay too close
@DrVCatt
@DrVCatt 2 жыл бұрын
Feet at 3/9 o’clock or horizontal to floor, front foot toe should be even with with the knee in a vertical line. Slide seat back or forth to get right position
@sirownzalotgaming3025
@sirownzalotgaming3025 3 жыл бұрын
Dayum she fine
@DefinitelyNotMyRealName
@DefinitelyNotMyRealName 2 жыл бұрын
Obviously
@TAMMEESWK
@TAMMEESWK 3 жыл бұрын
What seat is that?
@kcampbell3045
@kcampbell3045 3 жыл бұрын
Only saddles I know with that shape are in the Selle SMP line. Just hazarding a guess from looks alone, but I think that is an SMP Trek. As happens, I have seen the Trek recommended a few times in discussions about good Peloton saddle replacements.
@DrVCatt
@DrVCatt Жыл бұрын
Yes it’s an SMP
@paulblake3166
@paulblake3166 3 жыл бұрын
the knee is not in line with the tip of the shoe so that confused me. I took a screen grab of your video and opened it in photoshop, the knee is more in line with area where the toes start.
@DrVCatt
@DrVCatt 3 жыл бұрын
Paul you are correct. ITs why I also mentioned there may be small tweaks (adjustments) you will make to accommodate personal preference. Thank you for being precise. In this game precision is key.
@jaysonl1510
@jaysonl1510 3 жыл бұрын
She dragn' a wagn'
@choocharoo
@choocharoo 3 жыл бұрын
Awkward question but. If you do 1 hr rides and get numbness in the genitalia area, what’s the fix. I’m very tall at 6’3 and weight 240. And I’ve switch to a squishy seat already with same outcome. Thabks
@apocalynds
@apocalynds 2 жыл бұрын
Not an expert by ANY means but have you tried messing with the tilt of the seat? Also make sure your form is such that your sits bones are both making equal contact with the back of the seat, this will require form that engages your core a bit to maintain. else u have like huge nutz or something in which case congrats on the huge nutz
@SeamlessFab
@SeamlessFab Жыл бұрын
“Exquisite hip issues” is a bizarre choice of wording
@DrVCatt
@DrVCatt Жыл бұрын
As intended…
@NYbossmom321
@NYbossmom321 3 жыл бұрын
What is Blair's height? I am 5 foot 1 inches and have been having a tough time figuring out my settings.
@DrVCatt
@DrVCatt 3 жыл бұрын
Blair is close to 5’8” but that doesn’t matter if you follow what I’m coaching to do as a method of fitting yourself... once you get dialed in notate the settings in case you need them
@NYbossmom321
@NYbossmom321 3 жыл бұрын
@@DrVCatt thank you Dr Vince.
@DrVCatt
@DrVCatt 3 жыл бұрын
@@NYbossmom321 When sitting - bring the pedals so that they are parallel to the floor, look down at the front knee, it should not be ahead of the toe - in fact, the knee should be close to plumb or above the toe tip. I must say, this is a general "good start position. You may find little tweaks serve you and your body best.
@DrVCatt
@DrVCatt 3 жыл бұрын
Nicole for a more precise fit we can do one via zoom if you think it would help more effectively.
@NYbossmom321
@NYbossmom321 3 жыл бұрын
@@DrVCatt thank you! I will consider it, if my new numbers don't feel right.
@24james
@24james Ай бұрын
Ummm….I’m completely head over heels in Love with Blair💯♥️🇺🇸🔥🚴🌹💍💥🙏🏾😍
@Kimandy6862
@Kimandy6862 3 жыл бұрын
Thank you!
@user-it5kh5tx4d
@user-it5kh5tx4d Жыл бұрын
Thank you!!
@lorraineferguson231
@lorraineferguson231 Жыл бұрын
thank you!
@arlenehayles1892
@arlenehayles1892 2 жыл бұрын
Thank you 😊.
@DrVCatt
@DrVCatt 2 жыл бұрын
You're welcome 😊
Peloton Bike Fitting with Dr. Tim
24:49
Physio Room Co
Рет қаралды 20 М.
I've Been Suffering For 3 Years // Full Professional BIKE FIT in 6 Steps!
15:03
Perfect Pitch Challenge? Easy! 🎤😎| Free Fire Official
00:13
Garena Free Fire Global
Рет қаралды 86 МЛН
Family Love #funny #sigma
00:16
CRAZY GREAPA
Рет қаралды 52 МЛН
What type of pedestrian are you?😄 #tiktok #elsarca
00:28
Elsa Arca
Рет қаралды 15 МЛН
ТЫ В ДЕТСТВЕ КОГДА ВЫПАЛ ЗУБ😂#shorts
00:59
BATEK_OFFICIAL
Рет қаралды 3,7 МЛН
The Correct Way to Approach Saddle Tilt (& manage saddle discomfort!)
14:48
Adjusting Your Bike | Peloton Support
4:19
Peloton
Рет қаралды 759 М.
Bike Fit on a Peloton Bicycle
6:13
Bike Fit Adviser
Рет қаралды 13 М.
Finding The Perfect Cleat Position For Cycling
11:04
Global Cycling Network
Рет қаралды 153 М.
Peloton Mistakes that Destroy Your Results
4:59
Connect The Watts
Рет қаралды 3,6 М.
What's the Best Stem Height for You? 2 Easy to Follow Bike Fit Tips
12:41
Bulletproof Cycling
Рет қаралды 235 М.
How to Set Your Bicycle Seat Height
4:02
adventuresportu
Рет қаралды 2,8 МЛН
6 Easy Ways To Find Your Perfect Riding Position
6:29
Global Cycling Network
Рет қаралды 983 М.
Perfect Pitch Challenge? Easy! 🎤😎| Free Fire Official
00:13
Garena Free Fire Global
Рет қаралды 86 МЛН