Lord Lucan
Yes indeed dear girl. Judging by the portrait it would appear that good Queen Bess had been spending far too much time in the gymnasium exercising her biceps and triceps. One always finds female bodybuilders to be most uncouth and unfeminine. God only knows why they do it. This will tell you all you need to know:

Mook
This looks like a useful website on the portait. See the books at the bottom which may be of more use. The author of the Wiki page has looked at some good sources. Oh, I see 'Lord Lucan' has cut and paste my source onto his answer at a later date. My, but he is such an original wit!