Pulled hamstrings generally aren't serious, so you can often treat them at home. If pain and swelling get worse, or you can't walk, call your doctor right away. Resting muscles after exercise and ...

What an unfortunate start to training camp for the 49ers rookies. Fourth-round pick Jacob Cowing pulled his hamstring this week and missed Saturday's practice. It's unclear when he will return. Same ...

More bad news for the 49ers. All pro wide receiver Deebo Samuel pulled his hamstring Sunday against the Kansas City Chiefs, according to head coach Kyle Shanahan. The 49ers list Samuel as day to day. ...

Mets star slugger Yoenis Cespedes left Thursday's game against the Braves after aggravating his left hamstring. He doubled in the bottom of the fourth inning but pulled up lame on his way to second ...