a-vO2 diff
... that you can improve your maximum a-vO2 diff through aerobic exercise?
... that you can improve your maximum <b id="mwDeg"><a href="./Arteriovenous_oxygen_difference" id="mwDek" rel="mw:WikiLink" title="Arteriovenous oxygen difference">a-vO<sub id="mwDeo">2</sub> diff</a></b> through <a href="./Aerobic_exercise" id="mwDes" rel="mw:WikiLink" title="Aerobic exercise">aerobic exercise</a>?