The most important thing in Gesture Class is to have FUN! If I get too wrapped up in anatomy and try to capture the 'real' pose the drawings tend to be boring. However it is possible to go too far in the opposite direction. Here's a selection of cartoony poses that came out of the last few sessions.
Alex insists we study the pose for 15 seconds without drawing and decide what it is exactly we want to draw. We write down the attitude we have in mind and let that inform the drawing.