This Christmas I decided the best way to celebrate the birth of Jesus Christ was to inflict a large amount of pain on my person by doing five different FTP (functional threshold power) tests. This ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Whether you’re seasoned amateur racer or a keen rider who is just beginning to add more structure to your training, setting fitness baselines and keeping track of your progress is extremely important.

If you use a training app like Training Peaks, Peloton, or Zwift, your zones will automatically be set after you input your functional threshold power (FTP). Don’t guess at your FTP or base it on your ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Functional threshold power a.k.a. FTP is a metric familiar to many cyclists. Measuring the average power ...