Muscle Anatomy Quiz

What is the term for the movement away from the midline of the body?

• Adduction

• Flexion

• Abduction

• Extension

What are thin contractile filaments in muscle called?

• Myosin

• Actin

• Collagen

• Elastin

Which muscle opposes the action and relaxes when the agonist is contracted?

• Synergist

• Antagonist

• Protagonist

• Agonist

What does the term "Elevation" refer to in muscle movement?

• Movement downward

• Movement upward

• Movement sideways

• Movement inward

What is the ability of a muscle to respond to a stimulus called?

• Flexibility

• Excitability

• Durability

• Elasticity

What does "External Rotation" mean in terms of body movement?

• Rotation towards the midline of the body

• Rotation away from the midline of the body

• Rotation around the axis of the body

• Rotation within the joint

What are "Fascicles" in muscle anatomy?

• Single muscle fibers

• Bundles of muscle fibers

• Layers of muscle tissue

• Connective tissue

What is the role of a fulcrum in a lever?

• It is the point where the lever is supported.

• It is the force applied to the lever.

• It is the weight that the lever moves.

• It is the length of the lever arm.

What does internal rotation refer to?

• Rotation of a structure away from the midline of the body.

• Rotation of a structure toward the midline of the body.

• Rotation of a structure around its own axis.

• Rotation of a structure in a circular motion.

What is the primary function of the muscular system?

• To produce hormones.

• To facilitate movement and maintain posture.

• To transport nutrients throughout the body.

• To protect the body from pathogens.