3. What likely effect would a decrease in ATP availability have
on muscle contraction force? Why? a. Increase b. Decrease c. No
effect

4. What likely effect would an increase in the mutation of
myosin heads (decreased ability to attach to actin) have on
exercise performance? Why? a. Increase b. Decrease c. No effect

5. Why are individuals with Type II fibers more likely to excel
at speed and power events?