Hernandez worked away from his teammates on Monday due to suffering from muscular fatigue.
His absence was described as precautionary and so it proved as the 29-year-old striker went to work with the rest of Juan Carlos Osorio’s squad in Adler.
Mexico faces Germany at Sochi’s Fisht Stadium on Thursday and the ex-Manchester United favorite will be a familiar face for many of the opposition, having plied his trade in the Bundesliga with Bayer Leverkusen for the past two seasons.
