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Every socket is made individually to fit a person. Measurements and possibly a cast will be taken of the residual limb, also known as 'stump'. Sockets can be made of different materials and need to be strong enough to withstand the forces created during waking on the prosthesis. They must also protect the skin, bone and tissues encased within.

The prosthetist will endeavour to ensure that the pressure through the socket is applied to skin areas that can tolerate pressure and that sensitive areas are off-loaded. It will still take time for the skin and other tissue such as muscle and bone, to build up the tolerance to weight bear through the socket. For upper limb prostheses, the skin needs to be able to tolerate the suspended weight of the limb.

If the socket fits snugly, it will be comfortable and you will be able to use your muscles more effectively. This will enable you to control the prosthesis better.

Suspension

The socket will be held on by a type of suspension. This can be in the form of a liner with a mechanical lock or 'suction' created by a sleeve. Sometimes other or supplementary mechanisms such as a belt, harness or elasticated stocking will be used.