Define general origins, insertions, and actions of muscles throughout the body.

Definition should include

  • muscles in the trunk
  • upper extremity
  • lower extremity.

Process/Skill Questions:

  • Why is it important to know the origins and insertions of muscles?
  • Why is it important to know the cardinal planes when studying joint actions?
  • Where is it more common for a muscle to tear—at the origin or at the insertion?