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Hypertonia of the Big Toe Revealing Parkinson's Disease: A Case Report.
Cureus
April 2024
Medicine, Mohamed I University, Oujda, MAR.
Despite being less commonly discussed than other motor symptoms such as tremors and bradykinesia, hypertonia of the hallux holds diagnostic and prognostic significance in Parkinson's disease (PD). This motor anomaly is dissected within the context of the broader clinical spectrum of PD symptoms, emphasizing its importance alongside its cardinal symptoms. This case report underscores the importance of accurate clinical assessment especially thorough neurological evaluation in discerning hallux hypertonia, potentially enabling early disease recognition and intervention.
View Article and Find Full Text PDFAnkle and Foot Spasticity Patterns in Chronic Stroke Survivors with Abnormal Gait.
Toxins (Basel)
October 2020
Department of Physical Medicine and Rehabilitation, McGovern Medical School, University of Texas Health Science Center, Houston, TX 77030, USA.
Chronic stroke survivors with spastic hemiplegia have various clinical presentations of ankle and foot muscle spasticity patterns. They are mechanical consequences of interactions between spasticity and weakness of surrounding muscles during walking. Four common ankle and foot spasticity patterns are described and discussed through sample cases.
View Article and Find Full Text PDFGait Initiation in Parkinson's Disease: Impact of Dopamine Depletion and Initial Stance Condition.
Front Bioeng Biotechnol
March 2020
Department of Neurology, University Hospital Würzburg and The Julius Maximilian University of Würzburg, Würzburg, Germany.
Article Synopsis
- Postural instability during gait initiation is a key factor affecting the quality of life for individuals with Parkinson's disease (PD) because it leads to falls.
- A study involving both unmedicated PD patients and healthy controls revealed that PD patients had decreased movement metrics like center of pressure displacement and first step length, which are linked to dopaminergic function in the putamen and improved with levodopa treatment.
- The findings highlight the role of dopamine in the initial phases of posture control, while indicating that other factors such as foot placement specifically impact later phases of gait initiation.
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