Wigan Athletic boss on Max Power injury
Latics' vice-captain was a surprise omission from the matchday 18, having played 90 minutes in midweek against Bolton before slotting home his penalty in the Carabao Cup shoot-out.
Richardson says the player was stood down to prevent the issue becoming more serious - with a fortnight's break now until the next league game.
Advertisement
Hide AdAdvertisement
Hide Ad"He felt his hamstring on Tuesday night, heading into the back end of the week.
"That will be assessed going into the next fortnight, and fingers crossed it's not too bad."
Although they face Wolves Under-21s on Tuesday in the Papa John's Trophy, Latics' scheduled league trip to Fleetwood next Saturday has been postponed due to international call-ups.
They're next in league action when Doncaster visit the DW on September 11.
Get 20% off our sports subscription package and stay up to date with all the latest Wigan Athletic news with a year’s subscription to WiganToday for less than 9p a day. Use promo code TRANSFER20