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Cerebral Palsy
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Parents & carers

Cerebral Palsy Glossary of Terms

Plain-English definitions of AFO, AAC, GMFCS, dyskinetic, hemiplegia, SALT, SENDIASS, spasticity and more.

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A short, plain-English dictionary of the terms you will hear most often from doctors, therapists and schools.

TermMeaning
AACAugmentative and Alternative Communication. Tools/strategies that support communication, from symbols to high-tech devices.
AFOAnkle Foot Orthosis. A brace/splint often used to support foot and ankle position.
AtaxiaMovement/balance coordination difficulty often causing unsteady or shaky movement.
ContractureShortening/tightening of muscles or tendons that limits joint movement.
DiplegiaCP pattern where legs are affected more than arms.
DyskineticInvoluntary/fluctuating movements and muscle tone.
Education, Health and Care Plan. Legal plan for children/young people up to 25 needing more support than Support.
GMFCSGross Motor Function Classification System. Describes functional mobility levels in CP.
HemiplegiaOne side of body affected more than the other.
Hip surveillanceMonitoring hip development/position in children at risk of hip displacement.
OrthoticsService/equipment such as splints, braces and specialist footwear.
Postural careSupport to maintain safe, comfortable body position across the day and night.
QuadriplegiaAll four limbs affected; usually more complex physical support needs.
Speech and Language Therapy, including communication and eating/drinking/swallowing support.
Local impartial Special Educational Needs and Disabilities Information, Advice and Support Service.
SpasticityIncreased muscle tone/tightness.
ToneThe level of tension in muscles; can be high, low or fluctuating.

Sources: , NICE (NG62 & NG119), Scope, Contact, GOV.UK, , Citizens Advice. Always check linked organisations for the latest information.

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