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General Physiology

The Math of salt loss

Slowtwitchers of the long distance variety: Are you ready for a varsity-level discussion on the balance between hydration-dehydration and hyponatremia-hypernatremia?

How Much is Enough?

In a study just released, trace amounts of steroid ingestion can trigger a positive drug test, illustrating the ease by which athletes can end up on the wrong side of anti-drug programs.

The Winter months

It's January. What now? Let's take stock. You're fat, out of shape, and your motivation ebbs and flows. Perfect. We have you right where we want you. Time to start training.

How much is too much?

Our Sport's elite have subjected themselves to physical stresses in ways unequaled by any group of people in human history. How often have these athletes gone over the edge and into the abyss? How do you know when you've done too much? And how do you come back from it?

Measuring Power and Using the Data

In the third of our trilogy on the physics of moving the bike, Rick Ashburn delves into training with power, including the use of power measuring devices.

The Mathematics of Race Fueling

When you’ve got no feed in the stable you can’t ride your horse to town.

Intro to Power

This is the first of monthly installments on the physics of bike riding, with an emphasis on training and racing using power meters. We'll present our first two intro-to-power articles back-to-back.

Aerobic points system

There's an aerobic value to your training, a conversion to a common currency allowing you to determine the relative worth of our workout.