The effects of in-flight dynamic exercise during shuttle missions on improving exercise responses after flight was evaluated on:
Show Hint
Spaceflight studies typically use shuttle crew members (astronauts) to evaluate how exercises performed in-flight affect the body after returning to Earth.
Step 1: Understanding the context
The question refers to research on how dynamic exercise during shuttle missions affects the exercise responses of individuals after they return from flight. The study focuses on the effects of exercise performed in space (in-flight dynamic exercise) and the subsequent effects on physical performance post-flight. Step 2: Evaluating the options
- (A) 30 Athletes: This group is not related to shuttle missions, as they are typically involved in terrestrial research.
- (B) 30 shuttle crew members: This is the correct answer, as spaceflight studies are typically conducted with astronauts or shuttle crew members who undergo controlled exercise regimens to assess their physical responses post-flight.
- (C) 30 graded cyclists: Cyclists are not relevant in the context of spaceflight research on shuttle missions.
- (D) 30 ungraded cyclists: Again, cyclists are unrelated to shuttle missions and spaceflight research. Step 3: Final Answer
Therefore, the correct answer is (B) 30 shuttle crew members.