Three months ago, she started working out at The Ladies Gym in Houston and, under the supervision of instructor Moses Vincent, has begun triceps exercises to strengthen her backhand, trunk curls to help her lower back, and short sprints and jumping jacks to improve her lateral motion on court. Her goal for this year is to break into the top three, and those who work closely with her say she'll make it—if not this year, then in the next two or three.
Recently, John Wilkerson sat shading his eyes beneath a hot Houston sun as he watched Navratilova roll over yet another human obstacle on the way to yet another tournament victory. "Did you ever notice that the more successful Martina is, the lighter her hair gets?" he asked.
Sandra Hughes, one of Wilkerson's pupils, nodded and said, "Now that you mention it, I think Zina's hair is turning blonde, too."
They laughed and resumed watching the match.