| HP:0000006 | Autosomal dominant inheritance | "A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in heterozygotes. In the context of medical genetics, an autosomal dominant disorder is caused when a single copy of the mutant allele is present. Males and females are affected equally, and can both transmit the disorder with a risk of 50% for each child of inheriting the mutant allele." [HPO:curators] |
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| HP:0001257 | Spasticity | "A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes." [HPO:curators] |
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| HP:0001265 | Hyporeflexia | |
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| HP:0001270 | Motor retardation | |
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| HP:0001284 | Areflexia | |
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| HP:0001347 | Hyperreflexia | "The presence of overactive or overresponsive reflexes." [HPO:curators] |
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| HP:0001385 | Hip dysplasia | |
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| HP:0001762 | Talipes equinovarus | "Also called clubfoot typically has 4 main components: inversion and adduction of the forefoot; inversion of the heel and hindfoot; equinus (limitation of extension) of the ankle and subtalar joint; and internal rotation of the leg. Clubfoot is a complex, multifactorial deformity with genetic and intrauterine factors. One popular theory postulates that a clubfoot is a result of intrauterine maldevelopment of the talus that leads to adduction and plantarflexion of the foot. On radiographic projection a clubfoot can be noted as parallel axes of talus and calcaneus." [HPO:curators] |
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| HP:0001771 | Achilles tendon contractures | |
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| HP:0002380 | Fasciculations | "Fasciculations are observed as small, local, involuntary muscle contractions (twitching) visible under the skin. Fasciculations result from increased irritability of an axon (which in turn is often a manifestation of disease of a motor neuron). This leads to sporadic discharges of all the muscle fibers controlled by the axon in isolation from other motor units." [HPO:curators] |
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| HP:0002515 | Waddling gait | |
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| HP:0003273 | Hip contractures | |
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| HP:0003307 | Hyperlordosis | |
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| HP:0003327 | Axial muscle weakness | "Reduced strength of the axial musculature (i.e., of the muscles of the head and neck, spine, and ribs)." [HPO:curators] |
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| HP:0003391 | Gower sign | "A phenomen whereby patients are not able to stand up without the use of the hands owing to weakness of the proximal muscles of the lower limbs." [HPO:probinson] |
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| HP:0003691 | Scapular winging | |
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| HP:0003828 | Variable expressivity | |
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| HP:0006380 | Knee flexion deformities | |
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| HP:0007269 | Spinal muscular atrophy | "Muscular weakness and atrophy related to loss of the motor neurons of the spinal cord and brainstem." [HPO:curators] |
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| HP:0009046 | Difficulty walking, running, climbing stairs | |
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| HP:0040083 | Toe walking | |
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