Muscle organization

Question 1

In the lever analogy, the [???] are the levers, the [???] are the fulcrum, and [???] provides the force.

Answer 1

Bones
Joints
Muslces

Question 2

A little effort moves a large load over a small distance. Is this mechanical advantage or disadvantage?

Answer 2

Mechanical advantage

Question 3

What are the 3 types of levers?

Answer 3

First class - load-fulcrum-effort - raise head off chest
Second class - fulcrum-load-effort - stand on tip toe
Third class - load-effort-fulcrum - flexing forearm

Question 4

Which type of lever always operates at a mechanical disadvantage?

Answer 4

Second-class

Question 5

Which type of lever are most muscles in the body

Answer 5

Third-class - load-effort-fulcrum

Question 6

Do longer or shorter fibers have greater range of motion?

Answer 6

Longer

Question 7

Do longer or shorter fibers have more power?

Answer 7

Shorter

Question 8

What are the 5 types of fascicle arrangement?

Answer 8

Parallel
Fusiform
Circular
Convergent
Pennate

Question 9

Is parallel or pennate fascicle arrangement more powerful?

Answer 9

Pennate

Question 10

What are the 4 functional types of muscles?

Answer 10

Prime mover
Antagonist
Synergist
Fixator