I bought a new magazine yesterday, "Drawing Highlights" by American Artist magazine. It features ten drawing articles by Dan Gheno, whose drawings I have greatly admired since I first saw them in print. It's an awesome collection of his articles and work and he's an awesome teacher. If you want to improve your figure drawing or learn from scratch, this is one magazine/book you should get immediately before they're gone from the news stands. (Just for the record, though it may sound like it, I'm not affiliated with the guy at all, just really impressed by his work and teaching!)
When looking at it on screen, I can see that the arm muscle is too small and so is the calf muscle. Gotta work on that. But I do like, and am happy with, the muscle work!
PS - please excuse that little drop of rainwater that dropped onto the page (by the poor guy's head) from the umbrella!
PS #2 - I found his website ---> http://www.dangheno.net/ Check it out!