: This is the most critical concept. It describes how one muscle group integrates or "wedges" into another, ensuring the figure looks like a single unit rather than stacked parts.
The book includes nearly 500 illustrations covering every body part, from detailed hand studies to the complex mechanics of the torso. Constructive Anatomy – Dover Publications Dover Publications
: He abstracts the body into three primary masses—the head, chest, and hips—often represented as simple geometric boxes or cylinders.
: Bridgman compares joints and bones to mechanical functions, such as hinges or pivots, to show how they rotate and support movement.
Bridgman’s approach is famous for its "constructive" nature—treating the body like a machine with parts that twist, turn, and lock together.