I have set up a spreadsheet using athletic records as a measure of female and male physical strength. Using wikipedia and the canadian paralympic website, I claimed that some events are purely upper or lower body activities. I figured that athletic world records represent the maximum possible output of the human female/male body. This analysis has some assumptions namely: a) all of the athletes are in peak form and should have similar body types (the optimal body type and weight for their event) b) rules are enforced so that for example a wheelchair athlete cannot contribute to their success with their legs
Although this spreadsheet is inconclusive especially taking standard deviation into account it looks like Laura's intuition is right.