for the past 2 days ive been having really bad abdominal pain..i went to the doc yesterday becasue i felt something swollen near my groin..thought it was a lymph node...doc said it was just a muscles...but since that day ive had bad abdominal pain...dont know if its from indigestion or from exercising and mabey pulled a muscle...but can a pulled or strained ab muscles affect indigestion