I believe its for nutrition.
Answer:
Misinformation or Placebo.
Explanation:
As it relies on placebo and the mental effects of thinking something is working, it is unethical at best for a cash grab. A placebo is an effect on the mind of you believing something not real until it is real, such as people being given sugar pills (not real medication) for sickness then miraculously feeling better.
Either seek new friends or suggest an alternative
Hi lovely,
The answer you're looking for would be A)
It's important to for these gymnasts to bend their knees slightly before taking the jump; if they don't their knees might lock and that would force them to land and possibly break their legs.