The Muscular System 10.1-10.4

What is another name for a prime mover aka muscle that is responsible for an action

• antagonist

• agonist

• synergist

• fixator

What opposes or reverses the action of an agonist?

• agonist

• fixator

• synergist

• antagonist

Which helps a prime mover by adding extra force to the same movement?

• fixator

• antagonist

• synergist

• agonist

If a muscles crosses on the anterior side of a joint, which movement will it produce?

• flexion

• extension

• adduction

• abduction

Which of the following is not a criteria used to name muscles?

• shape

• size

• color

• number of origins

Which fascicle arrangements describes a mm with a broad origin meeting at a single tendon?

• circular

• pennate

• parallel

• convergent

Which fascicle arrangement best describes the biceps brachii muscle?

• parallel

• fusiform

• pennate

• circular

If effort is farther than the load from the fulcrum does it operate at a mechanical advantage?

• yes

• no

A seesaw is a good example of a _________ class lever

• 1st

• 2nd

• 3rd

• 4th

Which class of lever is the most mechanically advantageous?

• 1st

• 2nd

• 3rd

• 4th