Grass is a testing surface for back injuries , given how vital it is to get low to the ball .
Hopefully Bencic is coming back because she is confident the problem is behind her and not because she is panicked at the thought of losing her points .
Grass is a testing surface for back injuries , given how vital it is to get low to the ball , and hopefully Bencic is coming back because she is confident the problem is behind her and not because she is panicked at the thought of losing her points .