(nyt) Two days after he was paralyzed during a game, and one day after doctors described his condition as potentially life-threatening, Buffalo Bills tight end Kevin Everett was moving his arms and legs Tuesday. The doctor who performed surgery on Everett, Andrew Cappuccino, said Everett’s condition had “improved.” Another doctor, who has consulted with Cappuccino, said Tuesday that Everett could eventually walk out of the hospital. On Monday, team doctors said Everett, a 25-year-old backup tight end, was paralyzed from the shoulders down and in life-threatening condition after a collision Sunday during a 15-14 loss to the Denver Broncos.