C. At all times. You need to communicate from beginning to the end. He/She wll be assisting with posture, asking if the weights are to much or should your load be lightened a lil. They will ask about your comfort. So communication should happen throughout.
"every person has their limitations which prevent us from accomplishing something. some are better than mathematics for example and some are worse. those people who are worse might never be able to become mathematicians, but that does not mean that they would not be great at doing something else."
Answer from: Quest
Idont understand what youre askimg
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