Foerster scored two goals, one on the power play, and added an even-strength assist in Sunday's 7-6 loss to the Penguins.
Foerster (foot) will return to action Saturday against the Rangers.
Foerster (lower body) is practicing in a regular jersey Friday, Bill Meltzer of NHL.com reports.
Foerster (lower body) is not expected to play Wednesday versus the Blackhawks, Jackie Spiegel of The Philadelphia Inquirer reports.
Foerster (lower body) is expected to miss a few more days, the Flyers report Wednesday.
Foerster (lower body) will not play Monday against Arizona and the team is "hoping to have him back by the weekend."
Foerster (lower body) may not be available to play Monday versus the Coyotes after blocking a shot in Saturday's 3-2 win over Seattle, according to Adam Kimelman of NHL.com.
Foerster scored a goal on two shots in Thursday's 4-1 victory over Winnipeg.
Foerster earned a power-play assist in Thursday's 4-1 win over the Canucks.
Foerster notched an assist against the Wild on Thursday.