Module 3 Biological Basis of Muscle Hypertrophy

Question 1

What best describes the term Myoplasticity?

A) None of the above
B) Increase in stiffness in the muscle fiber
C) The capacity for skeletal muscle to undergo adaptive change
D)Changes in protein accretion

Answer 1

C) The capacity for skeletal muscle to undergo adaptive change

Question 2

What percentage of the skeletal muscle is composed of proteins?

A) 50%
B) 30%
C) 20%
D) 10%

Answer 2

C) 20%

Question 3

As we get older we predominately start to see a reduction in what muscle fiber type?

A) Type 2
B) Type 1

Answer 3

A) Type 2

Question 4

The level of any protein in the muscle is governed by what?

A) The half-life of proteins
B) The degradation ratio
C) The type of training

Answer 4

B) The degradation ratio

Question 5

What factors influence the microenvironment within in a cell that can impact the ability of the muscle to undergo adaptive change?

A) Inadequate energy intake
B) All of the above
C) Load recruitment
D) Hormones

Answer 5

B) All of the above

Question 6

In particular, phosphorylation of what kinase is commonly used as a common marker of protein synthesis?

A) None of the above
B) AMPK
C) P13K
D) P70 S6K

Answer 6

D) P70 S6K

Question 7

Of the four mechanisms to influence hypertrophy discussed in the lecture which mechanism seems to be the most important?

A) Hormone
B) EIMD
C) Muscular tension
D) Metabolic Factors

Answer 7

C) Muscular tension