An appellate panel partially revived a lawsuit filed by a former high school cheerleader who now suffers from long-term headaches and memory issues from three separate falls during cheerleading practice.Kelli Swanson, now 22, sued Consolidated School District 158 in Huntley, athletic director Bruce Blumer and coaches Kimberlee Hoffman, Juliann Brunken and Nathan Schmitt in November 2011, alleging negligence and willful and …