Rare diseases · Sign or symptom
Spastic gait
Spastic walk
HP:0002064
What it means
Spasticity is manifested by increased stretch reflex which is intensified with movement velocity. This results in excessive and inappropriate muscle activation which can contribute to muscle hypertonia. Spastic gait is characterized by manifestations such as muscle hypertonia, stiff knee, and circumduction of the leg.
Rare diseases that can present with this49
Very common80–99%
17- Autosomal dominant spastic paraplegia type 31
- Autosomal dominant spastic paraplegia type 36
- Autosomal dominant spastic paraplegia type 38
- Autosomal dominant spastic paraplegia type 41
- Autosomal dominant spastic paraplegia type 42
- Autosomal dominant spastic paraplegia type 73
- Autosomal dominant spastic paraplegia type 9A
- Autosomal recessive spastic paraplegia type 14
- Autosomal recessive spastic paraplegia type 43
- Autosomal recessive spastic paraplegia type 45
- Autosomal spastic paraplegia type 30
- Autosomal spastic paraplegia type 72
- Hereditary continuous muscle fiber activity
- Intellectual disability, Buenos-Aires type
- Juvenile primary lateral sclerosis
- Spastic paraplegia type 2
- Spastic paraplegia type 7
Common30–79%
24- Adrenomyeloneuropathy
- Autosomal dominant spastic ataxia type 1
- Autosomal dominant spastic paraplegia type 12
- Autosomal dominant spastic paraplegia type 13
- Autosomal dominant spastic paraplegia type 17
- Autosomal dominant spastic paraplegia type 3
- Autosomal dominant spastic paraplegia type 8
- Autosomal dominant spastic paraplegia type 9B
- Autosomal recessive spastic paraplegia type 23
- Autosomal recessive spastic paraplegia type 28
- Autosomal recessive spastic paraplegia type 48
- Autosomal recessive spastic paraplegia type 54
- Autosomal recessive spastic paraplegia type 56
- Autosomal recessive spastic paraplegia type 59
- Autosomal recessive spastic paraplegia type 60
- Autosomal recessive spastic paraplegia type 66
- Autosomal recessive spastic paraplegia type 67
- Autosomal recessive spastic paraplegia type 71
- Autosomal recessive spastic paraplegia type 9B
- Maternal uniparental disomy of chromosome 4 syndrome
- Ocular anomalies-axonal neuropathy-developmental delay syndrome
- Primary lateral sclerosis
- Spastic paraplegia-neuropathy-poikiloderma syndrome
- Spinocerebellar ataxia type 42
Sometimes5–29%
7- 5q22microdeletion syndrome
- Adult-onset autosomal dominant leukodystrophy
- Autosomal dominant spastic paraplegia type 19
- Autosomal dominant spastic paraplegia type 37
- Autosomal recessive spastic paraplegia type 20
- Autosomal recessive spastic paraplegia type 62
- Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.