The Sphinx – position #81 of 100 Kamasutra Sex Positions
The woman lies on her front with her weight on her elbows. She stretches one leg out and bends the other to the side. The man lays on top and can penetrate from behind while leaning on his hands for support.
A tiring position for the man, but worth it for the woman as the pressure of his body on her pelvis helps her to climax.