The Valsalva maneuver may elicit which of the following physiological responses during the concentric phase of a resistance training repetition?
a. increased intrathoracic pressure and decreased heart rate
b. decreased systolic blood pressure and increased heart rate
c. increased intrathoracic pressure and increased systolic blood pressure
d. decreased heart rate and increased systolic blood pressure
Answer: c. increased intrathoracic pressure and increased systolic blood pressure