Curated OER
Muscular and Skeletal Systems
How do muscles move bones? Find out using a built-in-class model. Pupils construct a hand model with paper and string, then follow a series of directions to explore the movement process. Discover additional information about the muscular...
CK-12 Foundation
Ck 12: Fourth Grade Science: Life Science: The Skeletal System
[Free Registration/Login may be required to access all resource tools.] Discusses the components and functions of the skeletal system; the structure of bone, and how bones grow and develop; and the different types of joints, and how they...
CK-12 Foundation
Ck 12: Life Science: 11.8 Joints
Understand the structure and function of different types of joints in the human body.
Texas Education Agency
Texas Gateway: Forces and Torques in Muscles and Joints
By the end of this section, you will be able to explain the forces exerted by muscles; state how a bad posture causes back strain; discuss the benefits of skeletal muscles attached close to joints; and discuss various complexities in the...