What does WTF stand for on the Inferno series?
Every time I see WTF Inferno, my mind instantly goes to most popular acronym. Please tell me it isn't so. I am doing a different program so I don't know if they say something in the videos.by: abcmyates
It stands for workout to failure
@Mike4tide is correct. WTF stands for Workout to Failure.
Thank you everyone!
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