Now showing items 980-980 of 980

    • The Z-Axis Shoulder Joint - A New Concept 

      Williams, T. Walley, III (1997)
      It is difficult for a shoulder amputee to do anything while sitting at a desk or table with the elbow tucked in against the side. For useful work the elbow needs to move forward 30-45 degrees and out 30-45 degrees to a ...