Christian Jonsson has been mainly competing in OCR since 2013. He has always been into all kinds of sports and for the next couple of years, he’s planning to go into CrossFit with the aim to evolve into an even better all-round athlete. But, he will never leave the mud and trail running because that’s where his heart belongs.
Why Your Go-To Core Exercises Don’t Work
Obstacle course racer, CrossFit athlete Christian Jonsson explains how to break the monotony of sit-ups and crunches with effective core exercises.