Wall sits have never been my favourite. In fact, bar the times my PT would make me do them years ago, I could count on one hand how many times I’ve done them, but it turns out they tick all my boxes ...

For FITBOOK, yoga instructor Nina Ponath conducted a special self-test: wall sit every day for 14 days. She reveals how much willpower she needed to persevere and what the daily wall sit did to her ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Knee injuries are often ...