Pistol squats are among the bodyweight strength world’s most impressive feats, right next to things like backflips or a perfect handstand. Well, I can’t do those other two, but I can knock out a bunch ...

I discovered wall angels shortly after I realised that reaching down to pick something up off the floor made me groan. Now in my 40s, my back feels stiffer than when I was younger, and my desk job has ...