How a Muscle Works

Bryana Williams

  • $7.00

Our muscles do so much more than move our arms and legs. They are complex, finely tuned anatomical systems. This challenging and detailed lesson will teach you more about the types of muscle fibers, as well as the theories and discoveries around how they work.

Page Count:  8


Please Note: Practitioners or group users should choose "Professional Use" from the drop-down menu of license types if they intend to use the lesson with multiple students in a professional context. Single use licenses only extend copyright permission for use with one student or in the home setting.

Professionals may also purchase single licenses, and later upgrade for professional use by emailing

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