Block angles/Shin angles diagrams etc.

If someone would be so kind to make a diagram and post it of what correct angles for the legs ( i suppose 90 degrees for the front and 120-130 for the back legs) in the blocks should be I would like to see it. With dartfish I am having trouble knowing how and where to start drawing the angles.

Also does anyone have charts, dartfished video, or basic diagrams for correct shin angles during acceleration?
If so it would be much appreaciated.

thanx guys.