Heroes for Hire: Michael Thigpen's Total Body Transformer

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The upper-body push/lower-body pull workout

The Inner Beast Upper Body Strength and Power Workout

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

Fit Fly II Strength Power Superset Upper Body

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

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