Abstract
Neurological disorders of gait, balance and posture are both debilitating and common. Adequate recognition of these so-called disorders of axial mobility is important as they can offer useful clues to the underlying pathology in patients with an uncertain clinical diagnosis, such as those early in the course of neurological disorders. Medical teaching programmes typically take classic clinical presentations as the starting point and present students with a representative constellation of features that jointly characterize a particular axial motor syndrome. However, patients rarely present in this way to a physician in clinical practice. Particularly in the early stages of a disease, patients might display just one (or at best only a few) abnormal signs of gait, balance or posture. Importantly, these individual signs are never pathognomonic for any specific disorder but rather come with an associated differential diagnosis. In this Perspective, we offer a new diagnostic approach in which the presenting signs are taken as the starting point for a focused differential diagnosis and a tailored search into the underlying neurological syndrome.
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J.N. and B.R.B. wrote the manuscript. All authors contributed substantially to discussions of the article content and to the review or editing of the article before submission.
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Supplementary information
Supplementary video S1
Extreme broad-based gait in a man with spinocerebellar ataxia type 2. The authors affirm that the human research participant provided informed consent for publication of the images in Supplementary information (video) S1. (MP4 23934 kb)
Supplementary video S2
Variable base of support in spinocerebellar ataxia. Variable base of support (including a broadened stance width) in a man with spinocerebellar ataxia type 3, with a clear widening of the base of support during turning. The authors affirm that the human research participant provided informed consent for publication of the images in Supplementary information (video) S2. (MP4 18216 kb)
Supplementary video S3
Broad-based gait in sensory ataxia. Moderate broad-based gait in a woman with sensory ataxia due to diabetic neuropathy. The authors affirm that the human research participant provided informed consent for publication of the images in Supplementary information (video) S3. (MP4 10086 kb)
Supplementary video S4a
Effects of treatment on gait abnormalities. a | Broad-based gait in a man with normal-pressure hydrocephalus. The authors affirm that the human research participant provided informed consent for publication of the images in Supplementary information (video) S4a. (MP4 2822 kb)
Supplementary video S4b
Effects of treatment on gait abnormalities. b | A reduction in the width of the broadened base of support is evident after a spinal tap procedure that removed 35 ml of fluid. In this patient, instrumented gait analysis was used to quantify the effects of this intervention. The authors affirm that the human research participant provided informed consent for publication of the images in Supplementary information (video) S4b. (MP4 2353 kb)
Supplementary video S5
Narrow-based gait in Parkinson disease. Narrow-based gait in a man with idiopathic Parkinson disease. During long-standing disease (onset of symptoms 11 years ago), his gait has remained narrow-based. The authors affirm that the human research participant provided informed consent for publication of the images in Supplementary information (video) S5. (MP4 20203 kb)
Supplementary video S6
Narrow-based gait in spastic paraplegia. Narrow-based gait in a man with hereditary spastic paraplegia. The authors affirm that the human research participant provided informed consent for publication of the images in Supplementary information (video) S6. (MP4 25384 kb)
Supplementary video S7
Gait-scissoring in a functional gait disorder. Gait-scissoring in a woman with a functional gait disorder. This video comes from the collection of Prof Arthur van Gehuchten, a Belgian anatomist (1861–1914). (MP4 34490 kb)
Supplementary video S8
Gait-scissoring in chorea. Gait-scissoring in a woman with Huntington chorea, alternating with a compensatory wide-based and almost ataxic gait. Associated involuntary choreatic movements can also be seen in the limbs. The authors affirm that the human research participant provided informed consent for publication of the images in Supplementary information (video) S8. (MP4 44919 kb)
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Nonnekes, J., Goselink, R., Růžička, E. et al. Neurological disorders of gait, balance and posture: a sign-based approach. Nat Rev Neurol 14, 183–189 (2018). https://doi.org/10.1038/nrneurol.2017.178
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DOI: https://doi.org/10.1038/nrneurol.2017.178
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