Dr. Jordan Metzl, a longevity and sports medicine doctor, runs home after work and strength trains in the park.

Strengthen and reduce fracture risk with this routine that combines weight-bearing, resistance, and impact exercises.

Taking magnesium before a workout may delay lactate build-up and improve performance. It supports muscle recovery and eases soreness and fatigue.

These expert-picked footwear finds are perfect for even your most intense workouts.

You thought last week's was bad?

Al Roker shares his morning workout routine, which includes sled pushes for a full-body, low-impact cardio and strength exercise that strengthens knees.

This article, This Is The Biggest Pre-Workout Supplement Mistake That's Preventing Gains, was first published on SportStarsMag.com.