Johan Thörnqvist » Pictures from my phone. The hand. The hands are a notorious source of frustration. This section won't concentrate on the muscle structure, since the hand is very complex in this regard, and knowing this won't help much in drawing them. Instead, we'll look at proportions, range of motion, and possible simplifications. Structure and proportions Figure 2.20. Bone structure and proportions of the hand. Basic face proportions. Neonflames. Art 1. Optical Design. DeviantART muro.