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Student Center Anatomy and Physiology, Second Edition
The unity of form and function
Kenneth S. Saladin
Student Center

Chapter 11: The Muscular System

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Fill in the Blanks

  1. What are the main actions of the tibialis anterior and the tibialis posteror muscles of the leg? How are they similar? How are they different? Why? (table 11-19)
    Answer

  2. What are the muscles used in producing a great big smile? How would the muscles used for smiling compare with those used for frowning? A grimace? A pout? (figure 11.6 and table 11.2.)
    Answer

  3. A muscle attaches to bone indirectly if its tendon merges into the periosteum and continues into the bone matrix as ____________ fibers.
    Answer

  4. Both the frontalis muscle in the face and the sartorius muscle in the thigh are examples of which type of muscle fascicle orientation? ___________________
    Answer

  5. Your forehead wrinkles when your ________________ muscle elevates your eyebrows.
    Answer

  6. Which muscle do you use to close your eyes?___________________
    Answer

  7. The term labii in depressor labii inferioris and levator labii superioris refers to which facial structure? ______________
    Answer

  8. The sternohyoid, geniohyoid, mylohyoid, and thyrohyoid muscles all have an attachment to the _____________ bone.
    Answer

  9. The most superficial abdominal wall muscle is the __________oblique muscle.
    Answer

  10. The pronator teres muscle ______________ the forearm.
    Answer

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