Where is the map the map will be useful
The correct answer is endorphins.
During strenuous exercise, the brain releases the neurotransmitter called endorphins. Endorphins are known as "feel good" chemicals that produce a feeling of euphoria, reduce anxiety and the ability to experience pain. Endorphins also produce a feeling of happiness and relaxation after an intense exercise session.
This is such a vague question
Answer: Have no effect
Explanation: The contextual interference during exercise is in fact the occurrence that interference during exercise is useful for enhancing and improving skills. However, higher levels of interference during practice result in poorer performance than when it comes to lower levels of interference. Scientific studies have shown that, with increasing levels of interference during practice, performance degradation occurs when it comes to motor skills. Contextual interference in motor learning and enhancement of motor skills is in fact an interference due to some exercise / practice that is within the context of the exercises / practices, that is, an integral part of a larger number of exercises. Thus, one exercise, that is, practice, interferes with other exercises / practices, and when it is at a lower level, then the motor skills increase. But in this case, for people with limited motor skills and exercise experience, a high level of interference that would otherwise reduce the development of motor skills, in this case, will have no effect, since those people have not developed those skills anyway.