Training

WORKOUT ROUTINES

A boxing champ shares his ultra-intense fat-burning routine.
10 dumbbell routines to try when you can't get to the gym.
Which one of these fitness personas do you identify with?

BUILD MUSCLE

20 insanely effective monkey bar exercises.

ENDURANCE

200 athletes to run up the 1,576 steps of the Empire State Building.
The most popular songs streamed on Spotify in 2015.
Here's how extreme temperatures affect your workouts.

CARDIO

Plus six more reasons you should try high-intensity intervals.
Everything you need to know about running when it's freezing.

PRO TIPS

The scientific reason you have to change up your workouts.
Moves that soothe neck, back, and knee aches.