Anatomy Chapter 11

Which of the following is unique to the muscles of facial expression?

• They all originate from the scalp musculature.
• They insert onto the cartilage found around the face.
• They only insert onto the facial bones.
• They insert into the skin.

Which of the following helps an agonist work?

• a synergist
• a fixator
• an insertion
• an antagonist

Which of the following statements is correct about what happens during flexion?

• The angle between bones is increased.
• The angle between bones is decreased.
• The bone moves away from the body.
• The bone moves toward the center of the body.

Which is moved the least during muscle contraction?

• the origin
• the insertion
• the ligaments
• the joints

Which muscle has a convergent pattern of fascicles?

• biceps brachii
• gluteus maximus
• pectoralis major
• rectus femoris

A muscle that has a pattern of fascicles running along the long axis of the muscle has which of the following fascicle arrangements?

• circular
• pennate
• parallel
• rectus

Which arrangement best describes a bipennate muscle?

• The muscle fibers feed in on an angle to a long tendon from both sides.
• The muscle fibers feed in on an angle to a long tendon from all directions.
• The muscle fibers feed in on an angle to a long tendon from one side.
• The muscle fibers on one side of a tendon feed into it at a certain angle and muscle fibers on the other side of the tendon feed into it at the opposite angle.

The location of a muscle’s insertion and origin can determine ________.

• action
• the force of contraction
• muscle name
• the load a muscle can carry

Where is the temporalis muscle located?

• on the forehead
• in the neck
• on the side of the head
• on the chin

Which muscle name does not make sense?

• extensor digitorum
• gluteus minimus
• biceps femoris
• extensor minimus longus