Federer's forehand 2012
I've noticed this year Federer sometimes hits his forehand in a similar motion to Nadal, in particular the follow through.
Rather than following through by swinging over his left shoulder, half the time he brings the racquet up vertically above his right shoulder, very similar to Nadal's follow through?
Does anyone know the reason for this? I guess it may be something to do with him trying to conserve energy as he's getting older?