He says the amount of pain from an Achilles injury can vary. “The Achilles tendon down at the bottom doesn’t have a very good blood supply, so it doesn’t tend to swell as much,” Dr. Linz said.

Indiana Pacers guard Tyrese Haliburton lies on the court after an Achilles injury in Game 7 of the NBA Finals on Sunday. Oklahoma City won, 103-91. (Nate Billings / Associated Press) ...