The mechanical twisting of the forearm is a primary source of sculpting errors. This action involves two distinct positions: supination and pronation. Supination (Palm Up)
For beginners, focus on the "masses" first—think of the arm as a series of connected cylinders before adding the specific muscle details shown in the book. If you'd like to dive deeper, I can help you find: arm and hand in motion by anatomy for sculptors pdf full
One of the most difficult forearm movements to capture is the twisting of the wrist. The mechanical twisting of the forearm is a
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