When older adults (60+) do strength training, men and women gain muscle and get stronger in basically the same way—no big differences between the sexes.

When older men and women over 60 do strength training, the men tend to get stronger in their arms and legs than the women do, even when they’re doing the same workouts.

When older men and women over 60 do strength training, men tend to gain more total muscle mass than women, but when you account for their starting size, both sexes improve at about the same rate.

When older men and women over 60 start lifting weights, women tend to get stronger faster relative to how strong they were at the start—especially in their arms and legs—compared to men doing the same workout.

Whether you're new to weightlifting or have been doing it for years, men and women still gain muscle at similar rates compared to each other—experience doesn't change that difference.

When older men do heavy weight training, some get much stronger and build more muscle than others—even when they do the same workout—and those differences are bigger than any mistakes we might make when measuring them.