Then about halfway through, during the whole "there's progress now where there once was none" bit, to prove how strained they are there's an intense montage of the guys all showing their exertion via exaggerated faces. To me it just looks like they're having sex.
Particularly Howard Donald.
Oh, wait—that's probably what they want you to think so you'll buy their music. OK, I'm off to have a shower now. And where'd I put my wallet?
Damn you, Take That!