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Bike FTP test on trainer odd results
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 2016-07-15 2:10 PM |
Master  2760     Los Angeles, CA |  Subject: Bike FTP test on trainer odd resultsHello everyone, I did a bike FTP test on my trainer yesterday morning using the following method on a KK Road Machine: 1. Few minutes easy spinning at 80-100rpm small ring 2. 3x0:30/0:30 warmup at low Z4 to warm up legs more in big ring 3. 1x3:00/3:00 @ Z5a @ 85-90rpm big ring 4. 3x1:00/1:00 @ Z5a @ 90-95rpm big ring 5. 1x20:00 ^Z4 to Z5abc 88-98rpm big ring (gradually increased effort) 6. Cool down easy spinning in small ring I'm 41 years old and weigh 148lbs. For that 20 minute lap my average HR was 5bpm less than the test I ran about 6-7 weeks ago but my FTP was 5watts higher. I also took a 1 and a half week vacation and did virtually no training 3 weeks ago. After the test was done, I felt totally ready to get off the bike. What are your thoughts about this? Thanks for reading and your replies, Roland  |
| 2016-07-15 2:33 PM in reply to: kloofyroland |
Not a Coach 11473  Media, PA | Subject: RE: Bike FTP test on trainer odd results Sounds like you probably put down a good effort since you put out 5w more than last time. Not exactly sure what you are asking though. What was 'odd' about it in your mind? |
| 2016-07-15 3:03 PM in reply to: kloofyroland |
Extreme Veteran 5722 | Subject: RE: Bike FTP test on trainer odd results Originally posted by kloofyroland using the following method on a KK Road Machine: power meter or virtual power ? if virtual power, how do you ensure tire tension is consistent ? but i just think you are fitter :-) |
| 2016-07-15 3:35 PM in reply to: JohnnyKay |
Master 2760 Los Angeles, CA | Subject: RE: Bike FTP test on trainer odd results Originally posted by JohnnyKay Sounds like you probably put down a good effort since you put out 5w more than last time. Not exactly sure what you are asking though. What was 'odd' about it in your mind? Oh! My question was how can my new LTHR decreased by about 5% when my FTP increased by about 2.5%? Seems odd to me. I thought LTHR would either go up or stay the same. The conditions were the same (early morning bike trainer workout indoors, same nutrition and hydration). |
| 2016-07-15 3:40 PM in reply to: marcag |
Master 2760 Los Angeles, CA | Subject: RE: Bike FTP test on trainer odd results Originally posted by marcag Originally posted by kloofyroland using the following method on a KK Road Machine: power meter or virtual power ? if virtual power, how do you ensure tire tension is consistent ? but i just think you are fitter :-) Virtual power and yup, the tension was set the same (spin at 20mph to 0mph in about 15 seconds). Fitness gains ftw! Thanks! But more watts at lower LTHR? That seems really weird to me. |
| 2016-07-15 3:40 PM in reply to: kloofyroland |
Champion 9407 Montague Gold Mines, Nova Scotia | Subject: RE: Bike FTP test on trainer odd results Originally posted by kloofyroland Oh! My question was how can my new LTHR decreased by about 5% when my FTP increased by about 2.5%? Seems odd to me. I thought LTHR would either go up or stay the same. The conditions were the same (early morning bike trainer workout indoors, same nutrition and hydration). Assuming and accurate test, the answer is you got fitter. Shane |
| 2016-07-15 3:42 PM in reply to: kloofyroland |
Pro 6582 Melbourne FL Gold member | Subject: RE: Bike FTP test on trainer odd results Originally posted by kloofyroland Your much more rested even though you did nothing for awhile? I stopped monitoring HR on the trainer, unlike outdoors I found it to be a lot more inconsistent on the trainer. Originally posted by JohnnyKay Oh! My question was how can my new LTHR decreased by about 5% when my FTP increased by about 2.5%? Seems odd to me. I thought LTHR would either go up or stay the same. The conditions were the same (early morning bike trainer workout indoors, same nutrition and hydration). Sounds like you probably put down a good effort since you put out 5w more than last time. Not exactly sure what you are asking though. What was 'odd' about it in your mind? |
| 2016-07-15 4:04 PM in reply to: kloofyroland |
Extreme Veteran 5722 | Subject: RE: Bike FTP test on trainer odd results Originally posted by kloofyroland Originally posted by marcag Originally posted by kloofyroland using the following method on a KK Road Machine: power meter or virtual power ? if virtual power, how do you ensure tire tension is consistent ? but i just think you are fitter :-) Virtual power and yup, the tension was set the same (spin at 20mph to 0mph in about 15 seconds). Fitness gains ftw! Thanks! But more watts at lower LTHR? That seems really weird to me. 5w innaccuracy at high wattage is pretty easy to get with VP IMO Also, I sometimes find the first 10min are different but usually the last 5 min of the test are pretty similar. |
| 2016-07-15 4:31 PM in reply to: Donto |
Master 2760 Los Angeles, CA | Subject: RE: Bike FTP test on trainer odd results Originally posted by Donto Originally posted by kloofyroland Your much more rested even though you did nothing for awhile? I stopped monitoring HR on the trainer, unlike outdoors I found it to be a lot more inconsistent on the trainer. Originally posted by JohnnyKay Oh! My question was how can my new LTHR decreased by about 5% when my FTP increased by about 2.5%? Seems odd to me. I thought LTHR would either go up or stay the same. The conditions were the same (early morning bike trainer workout indoors, same nutrition and hydration). Sounds like you probably put down a good effort since you put out 5w more than last time. Not exactly sure what you are asking though. What was 'odd' about it in your mind? Interesting point. But on a trainer indoors, aren't the conditions more controlled so HR wouldn't be so inaccurate? |
| 2016-07-15 4:40 PM in reply to: marcag |
Master 2760 Los Angeles, CA | Subject: RE: Bike FTP test on trainer odd results Originally posted by marcag Originally posted by kloofyroland Originally posted by marcag Originally posted by kloofyroland using the following method on a KK Road Machine: power meter or virtual power ? if virtual power, how do you ensure tire tension is consistent ? but i just think you are fitter :-) Virtual power and yup, the tension was set the same (spin at 20mph to 0mph in about 15 seconds). Fitness gains ftw! Thanks! But more watts at lower LTHR? That seems really weird to me. 5w innaccuracy at high wattage is pretty easy to get with VP IMO Also, I sometimes find the first 10min are different but usually the last 5 min of the test are pretty similar. I'll keep a log of the tests I do this year before my race in October. |
| 2016-07-15 4:49 PM in reply to: kloofyroland |
Extreme Veteran 5722 | Subject: RE: Bike FTP test on trainer odd results Originally posted by kloofyroland But on a trainer indoors, aren't the conditions more controlled so HR wouldn't be so inaccurate? For me, when doing indoor intervals my HR will be +/- 5bpm for threshold or below intervals. Hydration and caffeine make the difference. Good day/bad day also. It will be pretty consistent for above threshold intervals. I'll usually always end the last interval at the same place |
| 2016-07-18 6:46 AM in reply to: kloofyroland |
Expert 1183 Fort Wayne, IN | Subject: RE: Bike FTP test on trainer odd results I think you just got fitter. |
| 2016-07-18 10:49 AM in reply to: kloofyroland |
Pro 6582 Melbourne FL Gold member | Subject: RE: Bike FTP test on trainer odd results Originally posted by kloofyroland FYI, I read and have seen some PM correlation data that showed when the unit is cold a coast down of ~ 12 sec best matches the published power curve. After ~10 min of warmup the coast down will be ~2 sec longer or ~14 sec. Doesn't matter though as long as you are consistent with the setup.Originally posted by marcag Virtual power and yup, the tension was set the same (spin at 20mph to 0mph in about 15 seconds). Fitness gains ftw! Thanks! Originally posted by kloofyroland using the following method on a KK Road Machine: power meter or virtual power ? if virtual power, how do you ensure tire tension is consistent ? but i just think you are fitter :-) But more watts at lower LTHR? That seems really weird to me. |
| 2016-07-18 1:26 PM in reply to: Donto |
Master 2760 Los Angeles, CA | Subject: RE: Bike FTP test on trainer odd results Originally posted by Donto Originally posted by kloofyroland FYI, I read and have seen some PM correlation data that showed when the unit is cold a coast down of ~ 12 sec best matches the published power curve. After ~10 min of warmup the coast down will be ~2 sec longer or ~14 sec. Doesn't matter though as long as you are consistent with the setup. Originally posted by marcag Virtual power and yup, the tension was set the same (spin at 20mph to 0mph in about 15 seconds). Fitness gains ftw! Thanks! Originally posted by kloofyroland using the following method on a KK Road Machine: power meter or virtual power ? if virtual power, how do you ensure tire tension is consistent ? but i just think you are fitter :-) But more watts at lower LTHR? That seems really weird to me. Thanks! I'll adjust my tension to that cold coast down time. |
| 2016-08-25 12:51 PM in reply to: kloofyroland |
Master 2760 Los Angeles, CA | Subject: RE: Bike FTP test on trainer odd results Hi guys! Sooooo, I did another FTP test this morning and achieved an FTP increase of 7.1% over my test done on July 14, yay!!! My average HR during the test averaged 2.8% higher than the last test. So this time my HR average went up, hehe. Suffering on the bike trainer and on long weekend rides really works!!! =^.^= Roland |
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