To battle obesity, we must understand the mathematics of weight loss and learn to look beyond the numbers.

Reinforce how the body’s various systems “share responsibility” for producing stable motion with maximal efficiency.

Research is uncovering a link between our lifestyle, our genes, and a means to overcome the unhealthy connection between food and addiction.

Ex Rx: Clearing up the confusion about the psoas muscles, which are buried deep in the trunk.

Ex Rx: Eight practical keys to understanding and training connective tissue.

Profit Center: Supercharge your business with an innovative training format.

Here’s a look at popular, enduring formats and programs as IDEA turns 30.

Ebb: Incorporate these four stretches into your cool-downs to keep participants looking and feeling younger.

Class Take-Out: Add a stability challenge to your boot camp.

Is it time for the fitness industry to add happiness to the health equation?

Feeling frenzied? Implement these 6 "Rules of Order" and watch your creativity, productivity and emotional well-being improve. Your clients will thank you!

Inner IDEA: Recognize and correct common misalignments in the lower body.

Research: A lack of proper sleep can put you at risk for a number of negative consequences.

Research: Exploring the sources of power at the molecular level.

Research: Tips for trainers working with survivors of powerful emotional traumas.

From the food pyramid to The Biggest Loser, these 10 factors have profoundly impacted the way we view and consume food.

Nutrition: How to help clients make healthier choices when dining out.

Nutrition: How to turn flexibility, social interaction and wellness vision into a winning fitness strategy.