I asked Arkley about it, he said that it was "upper body, and muscular in nature" and that Solich wouldn't elaborate but essentially indicated that he was fine.
Ohio recruits toughness first above all else. A recent article about the TEs conveyed that football players are usually dinged-up in some way through the season and can expect to become pain free sometime after the season. I expect to have players to take days off from practice every week to rest and recover. I hope the cats can put the game away early and let the backups have the fourth quarter again.