Thanks for the warning, I'm around 60kg, 1.82m high. I do a lot of bike, and I'm sort of thin, for example I can join my thumb and any other finger around my wrist. You could consider someone like Hicham El Guerrouj (58/1.762 == 18.7), that 18.5 limit is not really one for some morphologies
Super-star athletes aren't really good examples to learn from. They often have to do unhealthy and extreme things to their body in order to achieve absolute peak performance at one specific task. NFL linemen and sumo wrestlers are unhealthily overweight. Boxers and wrestlers have unhealthy levels of body fat and hydration in order to squeeze into the lowest possible weight class. And long distance runners avoid developing any upper body muscle, because every pound of additional weight costs seconds on their time. That's not something a normal person should do.
60kg at 1.82m strikes me as really fricking thin. I'm your height, and have considered myself a lean, athletic guy, but at 13% bodyfat I weigh 80kg.
Yes, but I'm a developer, why would I need more upper body muscles?
My daily activity doesn't require some more particular strength (although I wouldn't consider myself weak either), it's more about endurance. I've enough core strength to not have any back problem too (I avoid sitting on a chair though, but rather lie down/stretch out in front of my laptop)
