Exercise Science Questions & Answers
During the knee extension movement in a squat, what pulls actin filaments across itself?
- ANSWERSMyosin
An athlete is performing steady state exercise that has crossed the lactate threshold.
What type of muscle fiber will increase in use after this point? - ANSWERSType II
Which sensory structure within the body is responsible for producing the stretch-
shortening cycle? - ANSWERSMuscle Spindles
What is another name for excess post-exercise oxygen consumption? -
ANSWERSOxygen Debt
Which of the following is not a characteristic of the ideal performance state? -
ANSWERSContinual analysis of performance
When an athlete chooses to react to high arousal levels with excitement and
anticipation, rather than with fear and worry, what theory does this describe? -
ANSWERSReversal Theory
To optimize high-intensity interval training (HIIT) for athletes, the work intervals should
be completed above what percentage of VO2 max? - ANSWERS90%
What does the T-wave represent in an electrocardiogram (ECG)? -
ANSWERSVentricular Repolorization
When someone experiences chronic tachycardia, which structure of the heart is most
likely compromised? - ANSWERSConduction System
The posterior head of the major muscle group of the shoulder is primarily involved in
which of the following actions? - ANSWERSShoulder Extension
When the erector spinae are the agonists, which movement of the lumbar spine occurs?
- ANSWERSExtension
Tendons are connective tissues in the body. Which structures are connected by
tendons? - ANSWERSTendons connect muscle to bone
Chris is an Ironman triathlete and is performing some speed interval training. He is
performing 60-second work intervals at about 65% of his max power. What is his
recommended rest time? - ANSWERS3-4 Minutes