I just found out how important "warm-up" sketches are - that is, sketches of just about anything before you start whatever it is you're intending to sketch which just get you in the right mode for art for the thing you actually want to draw, so I've been doing them, and they really do help (although I still do have those off days where nothing helps!).
But the past few days I've done my warm-up sketches using the 30 (or 45) second gesture study flash tool on this website: http://www.posemaniacs.com/thirtysecond
AND I FEEL SO GOOD AFTER I DO IT!
I set it for 45 seconds, just because I feel I need a little longer than 30 seconds.
Basically