These figure sketches are only my personal copy exercises based on the book "Dynamic Figure Drawing" (author: Burne Hogarth) and "Anatomie fur Zeichner" (author: Joseph Sheppard) . You can check out the following links about the author Joseph Sheppard 's books on other sites:

Anatomie fur Zeichner on amazon.de

Art Anatomy Complete Guide f Artists SC Joseph Sheppard