Paul Martino, of United Prosthetics, makes a plaster cast of what remains of Mery Daniel’s left leg, as her physician, Dr. David Crandell, right, watches at the Spaulding Rehabilitation Hospital in Boston, Wednesday, May 29, 2013. Crandell, a physiatrist at Spaulding, has treated fifteen of the sixteen marathon amputees. Behind Crandell is Mery’s husband, Richardson Daniel.