AFO Ankle foot orthosis.  Orthosis that traverses the ankle and foot.

AK (Above Knee) Trans-femoral Relating to prostheses or levels of amputation across the long axis of the femur.

Bilateral Of, or pertaining to, both sides of the body.

BK (Below Knee) Trans-tibial Relating to prostheses or levels of amputation across the long axis of the tibia/fibula.

CO Cervical Orthosis. Orthosis that traverses the cervical vertebrae.

CTLSO   Cervical-Thoracic-Lumbar-Sacral Orthosis. Orthosis that traverses the listed areas.

CTO   Cervical-Thoracic Orthosis. Orthosis that traverses the listed areas.

Definitive Prosthesis Prosthesis intended for long-term use containing components suitable for the full range of functional activities the amputee may be able to perform.

EO Elbow Orthosis. Orthosis that traverses the elbow.

FO Finger Orthosis or Foot Orthosis that traverses the finger or the foot.

HKAFO Hip-Knee-Ankle-Foot Orthosis. Orthosis that traverses the listed areas

KAFO Knee-Ankle-Foot Orthosis. Orthosis that traverses the listed areas.

KO Knee Orthosis. Orthosis that traverses the knee.

LSO Lumbar-Sacral Orthosis. Orthosis that traverses the listed areas.

Multi-density Composed of two or more materials of varying shore hardness.

Orthosis Externally applied device used to modify the structural and functional characteristics.

Preparatory Prosthesis A prosthetic device applied to prepare the limb for eventual fitting and to evaluate the appropriateness of selected technology and the patient's ability to use a definitive prosthesis.

Prosthesis Externally applied device used to replace wholly, or in part an absent or deficient body segment.

SO Shoulder Orthosis. Orthosis that traverses the shoulder.

TLSO Thoracic-Lumbar-Sacral Orthosis. An orthosis that traverses the listed areas.

WHO Wrist-Hand Orthosis. Orthosis that traverses the listed areas.