​​​​Streamline Orthopedic, Inc. 

Call Us:  916-488-1478

Glossary of Terms: 


Abduction:  The movement of a limb away from the media, or midline, of the body.


Accreditation:  A determination by the American Board for Certification in Orthotics and Prosthetics, Inc., that an eligible organization satisfactorily complies with all applicable standards.


Adduction:  The movement of a limb toward the media, or midline, of the body.


Americans with Disabilities Act:  Federal legislation passed in 1990 prohibiting discrimination on the basis of disability in employment, public services and  accommodations and telecommunications.


Ankle/Foot Orthosis (AFO):  An orthosis utilized for the treatment of disorders of the ankle and foot below the knee joint.


Ankle Orthosis (AO):  An orthosis utilized for the treatment of disorders only involving the ankle.


Anterior:  The front of the body.


Cerebral Palsy:  Any neuromuscular disability caused by lesions in the brain occurring before birth, at birth, or during infancy.


Certification:  A determination by the American Board for Certification in Orthotics and Prosthetics Inc., that an eligible organization satisfactorily complies with all applicable patient management standards.


Cervical Orthosis (CO):  An orthosis utilized for the treatment of disorders only involving the cervical spine.


Cervical/Thoracic/Lumbosacral Orthosis (CTLSO):  An orthosis utilized for the treatment of disorders involving the cervical, thoracic and/or lumbosacral spine.


Cervical/Thoracic Orthosis (CTO):  An orthosis utilized for the treatment of disorders involving the cervical and/or thoracic spine.


Circumduction:  The circular motion of a limb that is created when the movement of flexion, extension, abduction, and adduction are sequentially performed.


Continuing Education:  Education and experiences beyond initial professional preparation that are relevant to the type of patient care delivered; providing current knowledge relevant to the individual's discipline of practice.


Credentialing:  The verification of an individual's education, training, and experience from primary sources.


Custom-Designed Orthoses:  Orthoses which are custom made and designed from an anatomical positive model, specific anatomical measurements, and/or contour drawings of the affected limb, torso, or spine for the purpose of providing support and/or control of complex neuromuscular and/or musculoskeletal disorders.


Custom-Fitted Orthoses:  Orthoses which are pre-made in specific anatomical sizes and are modified and custom fitted to the effected limb or spine to control moderate or complex neuromuscular and/or musculoskeletal disorders.


Diplegia:  Paralysis of all four extremities with the lower extremities more severely involved than the upper extremities.


Distal:  A structure that is located farther away from the attached end of a limb.


Dorsal Surface:  The top of the foot and the back of the hand.


Dorsiflexion:  Bending the wrist so the dorsal service of the hand points toward the forearm; bending the ankle so the foot points upward.


Edema:  An excessive accumulation of fluid in the tissue spaces; commonly known as swelling.


Elbow Orthosis (EO):  An orthosis utilized for the treatment of disorders only involving the elbow.


Elbow/Wrist/Hand Orthosis (EWHO):  An orthosis utilized for the treatment of disorders of the elbow, wrist, hand, and/or fingers below the shoulder joint.


Eversion:  The outward rotation of the plantar surface, or sole, of the foot so that it faces away from the median, or midline, of the body.​


Extension:  The act of straightening a limb at a joint.


Fabric or Neoprene Orthoses:  Orthoses fabricated of cloth fabrics or neoprene as the primary materials in the design of the device.


Facility:  Applies to the professional office which a practitioner uses as a base to provide orthotic and/or prosthetic patient care.


Facio-Scapulo-Humeral Muscular Dystrophy:  The second most common type of muscular dystrophy; it usually occurs in adolescent females and males, and is not as disabling as the childhood type.


​Flexion:  The act of bending a limb at a joint, thus forming an angle.


Foot Orthosis (FO):  An orthosis utilized for the treatment of disorders of the foot below the ankle joint.


Genu Recurvatum:  Condition in which the knee is hyperextended.


Genu Valgum:  Commonly known as knock knee.


Genu Varum:  Commonly known as bowlegs.


Hand Orthosis (HO):  An orthosis utilized for the treatment of disorders of the hand and/or fingers below the wrist joint.


Hemiplegia:  Paralysis of one half of the body, specifically the upper and lower extremities on the same side, and half the trunk of the body.


Hip/Knee/Ankle/Foot Orthosis (HKAFO): An orthosis utilized for the treatment of disorders of the hip, knee, ankle, and foot.


Hip Orthosis (HO): An orthosis utilized for the treatment of disorders only involing the hip.


Hyperextension:  Extending the extremity beyond anatomical position.


Inversion:  The inward rotation of the plantar surface, or sole, of the foot so that it faces toward the median, or midline, of the body.


Knee/Ankle/Foot Orthosis (KAFO):  An orthosis utilized for the treatment of disorders of the knee, ankle, and foot below the hip joint.


Knee Orthosis (KO):  An orthosis utilized for the treatment of disorders only involving the knee.


Kyphosis:  Exaggerated posterior, or backward, curvature in the thoracic region.


Lateral (External) Rotation:  The rotation of a body part away from the median, or midline, of the body.  Also referred to as external rotation.


Lordosis:  ​Exaggerated anterior, or forwrard, curvature of the lumbar or cervical regions.


Lumbosacral Orthosis (LSO): An orthosis utilized for the treatment of disorders only involving the lumbosacral spine.


Medial (Internal) Rotation:  The rotation of a body part toward the median, or midline, of the body.  Also, referred to as internal rotation.


Median Plane:  The vertical plane that divides the body into right and left halves.


Metal & Leather Orthoses:  Orthoses fabricated of metal and leather as the primary materials in the design of the device.


Molded Plastic & Metal Orthoses:  Orthoses fabricated of either thermoplastic or thermoset resin plastics and metal joints as the primary materials in the design of the device.


Molded Plastic Orthoses:  Orthoses fabricated of either thermoplastic or thermoset resin plastics as the primary material in design of the device.


Monoplegia:  Paralysis of any one extremity.


Muscular Dystrophy:  A hereditary disease involving progressive destruction of the skeletal and cardiac muscles.


Musculoskeletal:  Pertains to the muscles and skeleton.


Necrosis:  Cellular or tissue death within the living body, such as with gangrene.


Neuromuscular:  Pertains to the nerves and the muscles.


Orthosis:  Custom-designed and/or fitted anatomical devices applied externally on the human body which are intended to provide support and/or control of disorders associated with neuromuscular and/or musculoskeletal dysfunctions.


Orthotics:  The practice of science and providing orthotic rehabilitation engineering services related to the assessment, design, and development of external assistive, supportive, and/or corrective anatomical devices, referred to as orthoses, for the purpose of restoring specific neuromuscular and/or musculoskeletal disorders of the human body.


Orthotist:  An allied health practitioner specifically trained in providing orthotic services at the direction of, and in consultation with, a licensed practicing physician.


Palmar (Volar) Flexion:  Bending the wrist so the palmar surface of the hand points toward the forearm.


Palmar (Volar) Surface:  The front, or palm, of the hand.  Also referred to as the volar surface.


Paralysis:  Complete loss of the ability to control muscular activity in various locations.


Paraplegia:  Paralysis of one half of the body, specifically the lower portion of the trunk and both lower extremities.


Pedorthics:  The practice and science of providing pedorthic rehabilitation engineering services related to the design, manufacture, modification, and fit of shoes and foot orthoses to alleviate foot problems caused by disease, congenital defect, overuse, or injury.


Pedorthist:  An allied health practitioner specifically trained in providing pedorthic services at the direction of, and in consultation with, a licensed practicing physician.


Pes Calcaneus:  Present when the ankle is dorsiflexed and the toes are elevated.  This causes the weight to be borne primarily on the heel.


Pes Cavus:  The exaggerated height of the longitudinal arch of the foot.


Pes Equinus:  Present when the ankle is plantar flexed and the heel is elevated.  This causes the weight to be borne primarily on the toes.


Pes Planus (Planovalgus):  Commonly know as flatfoot, the foot looks flat and is almost always bent out-ward.  Also refered to as planovalgus.


Pes (Talipes) Valgus:  An acquired deformity where the weight is born on the inner border of the foot and the sole is turned outward.  Also refered to as talipes valgus.


Pes (Talipes) Varus:  A deformity in which the weight is born on the outer border of the foot and the sole of the foot is turned inward.  Also referred to as talipes varus.


Plantar Flexion:  Bending the ankle so the foot points downward.


Plantar Surface:  The bottom or sole, of the foot.


Posterior:  The back of the body.


Pre-Fabricated Orthosis:  An orthosis which is pre-made in general anatomical sizes: i.e. small, medium, and large, and are fitted to the effected limb or spine to control mild neuromuscular and/or musculoskeletal disorders or for the purpose of evaluating the need for a custom-designed orthosis.


Pronation Upper Extremity:  The movement of the forearm so that the hand rests palm down on a surface.


Prosthesis:  Custom-designed and/or fitted anatomical devices app[lied externally to the human body for the purpose of restoring congenital and/or acquired neuromuscular and musculoskeletal dysfunctions of the human body associated with the complete or partial absence of a limb.


Prosthetics:  The practice and science of providing prosthetic rehabilitation engineering services related to the assessment, design, and development of external assistive, supportive, and/or corrective anatomical devices, referred to as prostheses, for the purpose of restoring neuromuscular and musculoskeletal functions of the human body associated with the congenital and/or acquired absence of a limb.


Prosthetist:  An allied health practitioner specifically trained in providing prosthetic services at the direction of, and in consultation with, a licensed practicing physician.


Protraction:  The forward movement of a body part such as the shoulder.


Proximal:  A structure that is located closer to the attached end of a limb.


Pseudohypertrophic Muscular Dystrophy (Duchenne's Disease): Childhood muscular dystrophy which displays a false athletic-type enlargement created by extensive fatty deposits in the degerating calf and shoulder; most common type of muscular dystrophy.  Also referred to as Duchenne's Disease.


Quadriplegia (Tetraplegia): Paralysis of all four extremities and the trunk. Also referred to as tetraplegia.

Referral Sources: Those individuals or organizations qualified to refer a patient for orthotic/prosthetic treatment.

Residual Limb: The portion of the limb remaining after amputation.

Retraction: The backward movement of a body part such a the shoulder.

Rotation: A circular or turning movement of a body part, such as the back or head, around its axis.

Sacral Orthosis (SO): An orthosis utilized for the treatment of disorders only involving the sacrum.


Scoliosis: Lateral, or outward, curvature of the spine in the thoracic and/or lumbar regions.

Shoulder/Elbow/Wrist/Hand Orthosis (SEWHO): An orthosis utilized for the treatment of disorders of the shoulder,
elbow, wrist, hand, and/or fingers.

Shoulder Orthosis (SO): An orthosis utilized for the treatment of disorders only involving the shoulder.

Spina Bifida: A congenital malformation of the vertebral column. In prenatal life, the column fails to develop and
close normally, and a portion of the bony spine remains separated in two sections.

Supination Upper Extremity: The movement of the forearm so that the hand rests palm up on a surface.

Talipes Equinovarus:   In this disorder the foot has a small, elevated heel;  a broad twisted forefoot; and a curved outer border.  Commonly known as clubfoot.

Thoracic/Lumbosacral Orthosis (TLSO): An orthosis utilized for the treatment of disorders involving the thoracic and lumbosacral spine.

Triplegia: Paralysis of any three extremities.

Valgus: Deformity of the foot resulting in the outward rotation of the plantar surface, or sole, of the foot so that it faces away

from the median, or midline, of the body.

Varus: Deformity of the foot resulting in the inward rotation of the plantar surface, or sole, of the foot so that it faces toward the median, or midline, of the body.

Wrist/Hand Orthosis (WHO): An orthosis utilized for the treatment of disorders of the wrist, hand, and/or fingers below the elbow joint.

Wrist Orthosis (WO): An orthosis utilized for the treatment of disorders only involving the wrist.