Atalanta wrestles Peleus - painted circa 550 B.C.

http://en.wikipedia.org/wiki/Atalanta

http://www.theoi.com/Heroine/Atalanta.html
By bringing the heroine Atalanta into his first elegy, doesn't Propertius imply that his Cynthia also is such a strong, dominant woman, whom he longs to subdue?