
How to Administer and Analyze a Heart Rate Drift Test
Heart Rate Drift Test This test has become our go-to test for all our coached athletes. We like it…

Talking Health, Performance, and Longevity, with Jesse Charles, M.D
Scott Johnston is joined by Doctor Jesse Charles, M.D. Jesse is a rural medical doctor and longtime adherent to the…

Nose in a Day in the Time of COVID-19
Our Nose in a Day project wasn’t supposed to take so long. COVID closures, issues with training, the California wildfires—nothing…

Breath Intensity Monitoring Physiology
In this article about the physiology of intensity monitoring, we define terms and explain the underlying metabolic processes that determine…

How Myelination Can Make You a Better Athlete
Watching a master’s seemingly effortless performance of any high-skill activity, from dance to music to athletics, leaves us slack-jawed time…

Debriefing a Climb (or Ski)
#AlpinePrinciples Debriefing a complicated climbing day can be one of the best ways to learn and strengthen your climbing partnerships.…

Unstructured Consequences: Luke Nelson’s Hard-Earned Lessons in Planning
The heat was oppressive, no shade to be found. I was 40 miles into the Bear 100 and felt terrible.…

10 Tips for Training Your Core for Ski Mountaineering
We rely heavily on something we call Scott’s Killer Core Routine, as detailed in Training for the New Alpinism. This…

Heart Rate Drift: A Functional Measure of Aerobic Fitness
Back in the day, coaches and endurance athletes noticed that during prolonged training, an athlete’s heart rate would slowly climb…