This whole idea is pretty weird. Not surprising it comes from Russia. It is very reminiscent of the idea promoted both by the Nazis and communists that citizens should be fit for the state.
I just wish they didn't do situps. Situps are terrible for your back. There are so many better options - just make people hold a plank for a minute.
I do agree with your sentiment BTW, here in Norway there's been quite a bit of talk about similar programs through the years, but there are just too many pit-falls on the way, usually doesn't even get past the "Rights for X" organisations' whining.