VIDEO: Olynyk and Humphries engage in sideline karate

Life is fun when you're 19-39 and getting spanked on the road by the Utah Jazz!

It appears to be, at least, for Boston Celtics forwards Kris Humphries and Kelly Olynyk, who engaged in some lighthearted sideline karate on Monday night:

Good for them, able to make the best of a bad situation, we guess.