Objective 19

Question 0

What are the effects of Resistance Exercise (typically Anaerobic)?

Answer 0

• Results in muscle hypertrophy, which is an increase in muscle diameter
• Results in increased number of mitochondria (for cell enlargement) and myofilaments; increased glycogen stores and connective tissue

Question 1

What are 3 effects of Aerobic Exercise?

Answer 1

• Leads to increased number of muscle capillaries & mitochondria, increase myoglobin synthesis
• results in greater endurance, strength, and resistance to fatigue
• Possible convert to FG fibers into FO fibers (can change up to 50:50 ratio; the absolute ratio is likely genetically pre-determined)

Question 2

What is hyperplasia?

Answer 2

and increase in the number of cells

Question 3

Do skeletal muscles undergo hyperplasia?

Answer 3

No, skeletal muscles do not undergo hyperplasia (increase in the number of cells