The Skeletomuscular Unit

The skeletomuscular unit (Figure 5-3) is a working concept of muscle and skeleton producing motion. The components of an S-M unit are: bones, a joint, and skeletal muscle(s).

Human Physiology
Figure 5-3. The skeletomuscular unit. a. Bones. Bones act as levers and as attachment sites for skeletal muscles.

b. Joint (Articulation). The joint is the center, fulcrum, point, or axis of motion.

c. Skeletal Muscle(s). Skeletal muscles apply the forces for motion. Any given motion utilizes a group of muscles working together.

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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