The Inner Beast Upper Body Strength and Power Workout

Fit on the Fly Power Punches

The upper-body push/lower-body pull workout

The Best Yoga Poses for Post-Workout Recovery: Upper Body

Heroes for Hire: Greg Petitto's Upper-Body Bulk-Up

The upper-body inner-beast workout for big, strong, and shredded shoulders, pecs, and triceps

Body Control, Power, and Flow with The Flying Steps of Red Bull Flying Bach

Challenge Accepted: Spartan Ultra Iceland, Part 2

Challenge Accepted: Spartan Ultra Iceland, Part 1

All the gear you need to crush a Spartan Ultra in Iceland

Challenge Accepted: Spartan Ultra Iceland, Part 3

Watch: Exclusive preview of 'The Redeemed and the Dominant: Fittest on Earth'

Simple, healthy Valentine's Day desserts couples can make together