BOSTON - NOVEMBER 24: A rack of below the knee prostheses in various stages of prep at United Prosthetics Inc. One of the nations leading fabricators and fitters of artificial limbs. This Dorchester address has the latest in customized prosthetic technology, delivered with personalized and old-fashioned care. It helps that the United team is led by five members of the Martino family, which can now point to four generations of expertise stretching back nearly a century. (Photo by David L. Ryan/The Boston Globe via Getty Images)