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General principles of muscles

Understand the functions, properties, shapes, attachments, and organizational patterns of muscles.

  • 38 explained questions
  • 32 flashcards
  • 102 estimated course minutes

Updated

What you will learn

  • Relate muscle-fiber properties to the roles of muscles in the body.
  • Distinguish smooth, skeletal, and cardiac muscle.
  • Describe a simple skeletal muscle, its attachments, shapes, and architecture.
  • Differentiate fasciae, septa, interosseous membranes, and aponeuroses.

Course outline

  1. One organ, several organizational patterns

    Place muscle as a contractile organ and build an overview of its three main organizational patterns.

    8 min

  2. Muscle roles, properties, and types

    Relate muscle functions to fiber properties and distinguish the three muscle types.

    15 min

  3. Skeletal muscle and its attachments

    Describe the parts of a simple muscle and recognize its attachment surfaces and modes.

    18 min

  4. Naming muscles and describing their shapes

    Apply muscle-naming criteria and distinguish the main external muscle shapes.

    17 min

  5. Fascicle architecture

    Recognize the organization of muscle fascicles and their relationships with tendons.

    13 min

  6. Bellies, heads, and slips

    Classify muscles by the number and arrangement of their bellies, heads, or terminal slips.

    16 min

  7. Coverings, partitions, and muscle compartments

    Differentiate the fibrous structures that surround, separate, or extend muscles.

    15 min

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