What is an orthosis? What are the basic functions of orthoses?

What is an orthosis?

Orthopedics refer to the general term of external instruments assembled on limbs and trunk of human body, whose purpose is to prevent or correct the deformity of limbs and trunk, or to treat bone and joint and neuromuscular diseases and compensate their functions.

What are the basic functions of orthoses?

Mainly includes the following aspects:

(1) Stability and support: by limiting the abnormal movement of limbs or trunk, the stability of joints can be maintained, and the bearing capacity or movement ability can be restored.

(2) Fixation and correction: for deformed limbs or trunks, fix the diseased parts to correct the deformity or prevent the deformity from aggravating.

(3) Protection and load-free: By fixing the diseased limbs or joints, limiting their abnormal activities and keeping the normal alignment between limbs and joints, the long bearing weight of the lower limb bearing joints can be reduced or exempted.

(4) Compensation and assistance: some devices, such as rubber bands and springs, are used to provide power or energy storage, compensate the lost muscle function, or give certain assistance to the weak part of muscle strength to assist limb activities or make paralyzed limbs move.

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