Muscles of the human body

Question 1

What are the 3 types of muscles in our body?

Answer 1

1: Skeletal 2: Cardiac 3: Visceral (Smooth)

Question 2

What is the job of the skeletal muscle?

Answer 2

External and primarily used for movement of the skeleton. Often occur in layers with “Deep” muscles lying underneath “superficial” muscles.

Question 3

Where would you find the cardiac muscles?

Answer 3

Found only in the heart, used to force blood into the circulatory vessels.

Question 4

Where would you find the Visceral (Smooth) muscles?

Answer 4

They lie internally and has several functions. They force food through the digestive system and squeezing blood throughout the circulatory system via arteries and arterioles.

Question 5

What is each muscle?

Answer 5

Each muscle is an organ that contains muscle tissue, connective tissues, nerves and blood vessels.

Question 6

What covers the body more than 430 skeletal muscles?

Answer 6

Fibrous connective tissue or epimysium (elastic tissue)

Question 7

What are the 3 properties of the skeletal muscle?

Answer 7

1: Extensibility 2: Elasticity 3: Contractibility

Question 8

What does the property extensibility do for the skeletal muscles?

Answer 8

Has the ability of muscle tissue to lengthen when contacting and provide effort required to mover the level system producing co-ordinated movement.

Question 9

What does the property elasticity do for the skeletal muscle?

Answer 9

Gives the ability of muscle tissue to return to its normal resting length, once it has been stretched.

Question 10

What does the property contractibility do for the skeletal muscle?

Answer 10

Refers to the capacity of muscle to contract or shorten forcibility when stimulated by nerves and hormones.

Question 11

What are the functions of the skeletal muscles?

Answer 11

1: Movement 2: Support & posture 3: Heat production
4: Venous Return.

Question 12

What does the function movement do for the skeletal muscles?

Answer 12

Attached to bone which they pull to enable movement.

Question 13

What does the function support and posture do for the skeletal muscles?

Answer 13

Muscles aren’t often fully relaxed and are often in a state of slight contraction.

Question 14

What does the function heat production do for the skeletal muscles?

Answer 14

The contraction of skeletal muscles involves the production of energy. Breaks down glycogen to provide energy, heat is realised.

Question 15

What does the function of venous return do for the skeletal muscle?

Answer 15

Muscle pump is a mechanism through which rhymic muscle contractions aid the Venus return of blood to the heart.

Question 16

What are the 3 types of muscle action?

Answer 16

1: Agonist 2: Antagonist 3: Synergist

Question 17

What is the role of the muscle action agonist?

Answer 17

prime mover muscle, primarily responsible for movement.

Question 18

What is the role of the muscle action antagonist?

Answer 18

Muscles that oppose the prime movers.

Question 19

What is the role of the muscle action synergist?

Answer 19

Muscles that assist the prime movers

Question 20

What are the 3 basic types of muscle action?

Answer 20

1: Concentric 2: Eccentric 3: Isometric muscle action

Question 21

What is Concentric muscle action?

Answer 21

This is when the muscle shortens because the contractile force is greater than the resistive force.

Question 22

What is eccentric muscle action?

Answer 22

It is when muscles lengthens as the contractile force is less than the resistive force.

Question 23

What is isometric (Static) Muscle Action?

Answer 23

It is when the muscle act without moving.