to be honest the symptoms will depend on which rib is fractured and what forces/mechanism of injury was involved. they body has 12 sets of ribs. the first 7 are called true ribs and are attached at both ends of the bone. the last 5 are called false ribs, and are not attached at the medial ends. they are referred to as "free floating." these ribs can fracture and pierce organs in the thoracic/abdo cavity, most commonly causing an injury to a lung.
symptoms of a fractured rib could include pain to the area where the injury occurs, possible difficulty in breathing or pain upon inspiration, coughing up blood, pain upon palpation or movement.