Transcript text: A nurse promotes the prevention of lower back pain by teaching clients at a community center. Which statement($) would the nurse include in this education? (Select all that apply.)
"Wear flat instead of high-heeled shoes to work each day."
"Participate in an exercise program to strengthen back muscles."
"Keep your weight within $\mathbf{2 0 \%}$ of your ideal body weight."
"Purchase a mattress that allows you to adjust the firmness."
"Avoid prolonged standing or sitting, including driving."