ANSWERS|LATEST !!!!2026|GRADED A+| (EXAM
During the concentric phase of the low bar back squat, which of the following muscles acts
as an antagonist to the gluteus maximus?
a. quadriceps
b. hamstrings
c. psoas major - ANSWER c
Which of the following muscle groups and types of muscle actions are associated with the
downward phase of the dumbbell biceps curl?
a. Primary group- elbow extensors, Primary action- eccentric
b. Primary group- elbow flexors, Primary action- eccentric
c. elbow flexors- concentric - ANSWER b
Which of the following rest periods is most appropriate for a middle distance runner
performing 800m running intervals in 2 min?
a. 2 min
b. 4 min
c. 6 min - ANSWER c
As compared to males, the potential for force production of females per muscle cross-
sectional area is
a. lower
b. similar
1
, c. higher - ANSWER b
Which of the following cardiovascular adaptations to chronic aerobic exercise contributes
the most to improved aerobic endurance performance?
a. increased maximal cardiac output
b. decreased resting BP
c. lowered resting HR - ANSWER a
Which of the following events occurs in the hamstring muscles during the concentric muscle
action of leg (knee) curl exercise?
a. the A band length increases
b. the I band length stays the same
c. the H zone length decreases - ANSWER c
Depletion of which of the following fuel sources hinders marathon performance most?
a. muscle glycogen
b. triglycerides
c. creatine phosphate - ANSWER a
Which of the following situations would most inspire an athlete with a high motive to
achieve success?
a. a very easy competition in which the probability of success is virtually guaranteed
b. a challenging situation in which the probability of success to failure is even
c. an extremely difficult situation in which the probability of success is highly unlikely -
ANSWER b
Which of the following is a characteristic of Type II muscle fibers?
a. slow contraction speed
2
During the concentric phase of the low bar back squat, which of the following muscles acts
as an antagonist to the gluteus maximus?
a. quadriceps
b. hamstrings
c. psoas major - ANSWER c
Which of the following muscle groups and types of muscle actions are associated with the
downward phase of the dumbbell biceps curl?
a. Primary group- elbow extensors, Primary action- eccentric
b. Primary group- elbow flexors, Primary action- eccentric
c. elbow flexors- concentric - ANSWER b
Which of the following rest periods is most appropriate for a middle distance runner
performing 800m running intervals in 2 min?
a. 2 min
b. 4 min
c. 6 min - ANSWER c
As compared to males, the potential for force production of females per muscle cross-
sectional area is
a. lower
b. similar
1
, c. higher - ANSWER b
Which of the following cardiovascular adaptations to chronic aerobic exercise contributes
the most to improved aerobic endurance performance?
a. increased maximal cardiac output
b. decreased resting BP
c. lowered resting HR - ANSWER a
Which of the following events occurs in the hamstring muscles during the concentric muscle
action of leg (knee) curl exercise?
a. the A band length increases
b. the I band length stays the same
c. the H zone length decreases - ANSWER c
Depletion of which of the following fuel sources hinders marathon performance most?
a. muscle glycogen
b. triglycerides
c. creatine phosphate - ANSWER a
Which of the following situations would most inspire an athlete with a high motive to
achieve success?
a. a very easy competition in which the probability of success is virtually guaranteed
b. a challenging situation in which the probability of success to failure is even
c. an extremely difficult situation in which the probability of success is highly unlikely -
ANSWER b
Which of the following is a characteristic of Type II muscle fibers?
a. slow contraction speed
2
