Yes. The bigger the muscle, the lower the flexibility and elasticity. As muscle increases, range of motion descreases, effecting overall flexibility.
Eustress is a type of good stress,, which helps motivate one to do certain things. knowing this,, your correct answers are going to be that it improves performance and that it helps you maintain motivation and focus you energy. the rest of your options have to do with negative effects of stress,, which is not what eustress is.
let me know if you have any further questions
:)
