Sudbury, Ma-May 26, 2011- Globe photo by Stan Grossfeld-         Michael Shron (cq) does a backflip to celebrate a Lincoln         Sudbury boys volleybal victory over Framingham in the regional         semifinals at Lincoln Sudbury Regional High School avenging         their only loss of the season to Framingham. Chatting with         friends (center - All-Access tee shirt) is Jessie Bursma.