Anyone who spends a lot of the day sitting could probably stand to strengthen their glutes. And the clam shell exercise is an excellent way to do just that. But it also offers a whole lot more. This ...
Lynes, Barbara Buhler, "Georgia O'Keeffe: catalogue raisonne," New Haven: Yale University Press, with the National Gallery of Art and the Georgia O'Keeffe Foundation, 1999, no. 538. "Celebrating ...