Michigan assistant Mike Hart back on sideline week after collapse

ANN ARBOR, Mich. -- Michigan assistant Mike Hart returned to his duties for Saturday's game against Penn State, a week after suffering a medical emergency on the sideline at Indiana.

Hart, a record-setting Michigan running back, worked with the backs during warmups alongside Fred Jackson, a longtime former Wolverines assistant who stepped in this week during Hart's recovery. When the game kicked off, Hart was in his usual spot on the sideline.

The 36-year-old collapsed during the first quarter of the Indiana game, and was carted off the field and taken to a local hospital in stable condition.

Hart released a statement Monday that he had returned to Ann Arbor and his health was improving. Head…