6. During the fastball pitch in baseball, which three musclegroups are predominantly activated?
- The triceps, hamstrings, and calf muscles
- The biceps, quadriceps, and lower back muscles
- The forearm, quadriceps, and upper back muscles
- The forearm, the calf, and the quadriceps
- The forearm, abdominals, and lower back muscles
34. Which muscle is least likely to atrophy with aging?
a) biceps
b) triceps
c) quadriceps
d) hamstrings
e) gastrocnemius
43. What is the approximate time it takes for full recovery ofthe anaerobic glycolytic energy system?
a) 3 minutes
b) 10 minutes
c) 30 minutes
d) one hour
e) two hours
56. During a progressive treadmill exercise test, you determinethat a runner’s heart rate is 120 beats per minute at the anaerobicthreshold. What heart rate target should they use during a 10 kmrace to ensure they are running at an appropriate intensity?
a) 100 beats per minute
b) 115 beats per minute
c) 120 beats per minute
d) 130 beats per minute
e) 150 beats per minute