PBS
Pbs Learning Media: Tetrapod Limbs
This illustration from Evolution by Monroe W. Strickberger shows the remarkable similarities between the bones in the forelimbs of various tetrapods, all of whose limbs serve very different functions.
OpenStax
Open Stax: Appendicular Muscles of the Pelvic Girdle and Lower Limbs
This site provides interactive information regarding the appendicular muscles of the pelvic girdle and lower limbs.
Other
Get Body Smart: Human Anatomy and Physiology: Skeletal System
Students can learn about the human skeletal system through this easy-to-access tutorial. Sections include an introduction, organization of the skeleton, appendicular skeleton, and the axial skeleton. Interactive quizzes for each section...