The Muscular System course uses scientific and educational references for its anatomy explanations, diagrams, and interactive material. Third-party interactive models are credited separately.
Innerbody's muscular guide covers the major muscle groups from head to foot. It is the interactive muscular-system reference used on the course overview page.
Open Innerbody source →Interactive full-body muscular model by Ruslan Gadzhiev, sculpted in ZBrush as an anatomy study. Licensed under CC Attribution. The model is embedded on the Muscular System course overview page.
Open Sketchfab model →OpenStax diagram showing the anterior and posterior muscles of the human body, used as a visual reference for the course overview lesson.
Open Wikimedia source →Front-view diagram of the body's muscles, used as a visual reference for the upper body muscles lesson.
Open Wikimedia source →Back-view diagram of the body's muscles, used as a visual reference for the lower body muscles lesson.
Open Wikimedia source →Diagram of a sarcomere by David Richfield, illustrating the actin and myosin filaments used as a visual reference for the muscle contraction lesson.
Open Wikimedia source →Blausen Medical illustration of skeletal muscle structure, used as a visual reference for the skeletal muscle structure lesson.
Open Wikimedia source →