Liberating Technologies, Inc.

Friction Shoulder Joint - Endoskeletal

Friction Shoulder Joint - Endoskeletal
  • Endoskeletal prosthesis
  • Friction-adjustable flexion/extension joint
  • Friction-adjustable abduction joint
  • Interfaces with the Modular Arm System
  • Light-weight aircraft alloy
  • Replaceable friction elements (flexion/extension)
  • Socket mounting straps


The Friction Shoulder Joint is an endoskeletal joint often used with the Modular Arm system. This light-weight joint provides both flexion/extension and abduction and both movements have adjustable friction. The humeral connection mates with a 17mm humeral tube or could be laminated into the humeral section of an exoskeletal prosthesis.

Additional Information

Product Catalog:


Locking Shoulder Joint(PDF)

Mechanical Locking Elbows(PDF)

Modular Arm System - Endoskeletal(PDF)