asthenia/accident vascular cerebral

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Stroke patients have selective muscle weakness in shortened range.

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Weakness is recognized as a major problem after stroke. This study examined the torque-angle curves of stroke individuals and compared them with those of neurologically normal controls to determine (i) if stroke patients were selectively weak when their muscles were placed in a shortened range and

Neural and muscular determinants of dorsiflexor weakness in chronic stroke survivors.

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Few examined the contribution of neural and muscular deficits to weakness in the same stroke subject. We determined maximal voluntary contraction (MVC) and 50 Hz torques, activation (twitch interpolation), electromyographic (EMG) amplitude and antagonist coactivation, and muscle volume using

Transcranial magnetic stimulation study of expiratory muscle weakness in acute ischemic stroke.

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BACKGROUND Expiratory muscle weakness due to cerebral infarction may contribute to reduced airway clearance in stroke patients. METHODS Transcranial magnetic stimulation (TMS) at the vertex and over each hemisphere and magnetic stimulation over the T(10-11) spinal roots (Tw T(10)) and the phrenic

Early diagnosis by diffusion-weighted MRI of pure motor stroke limited to finger weakness.

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Pure motor neurologic deficits occur among 3%-14% of all patients with ischemic stroke. Pure motor monoparesis occurs among 2%-22% of patients with pure motor stroke. The authors report the case of a 73-year-old woman with isolated finger weakness as the sole manifestation of a small

Stroke: influence of patient's sex and side of weakness on outcome.

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This study investigated the importance of the side of weakness and sex of the patient in patient outcome after stroke. It was based upon 162 consecutive acute stroke patients attending a rehabilitation unit. Results suggest that functional recovery was not influenced by the factors investigated,

Weakness of Eye Closure with Central Facial Paralysis after Unilateral Hemispheric Stroke Predicts a Worse Outcome.

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BACKGROUND Upper facial dysfunction is not generally considered a feature of central facial paralysis after unilateral hemispheric stroke; however, weakness of eye closure (WEC) has been observed in some cases. We aimed to investigate the frequency and characteristics of WEC in unilateral stroke and

Pure motor upper limb weakness and infarction in the precentral gyrus: mechanisms of stroke.

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BACKGROUND Pure arm monoparesis is an uncommon presentation of stroke. Localization of the lesions is variable, including cortical, subcortical or deep brain infarcts. No particular risk factors or unifying mechanisms have been clearly identified. METHODS Seven patients (5 women, 2 men) presented

Recovery of proximal and distal arm weakness in the ipsilateral upper limb after stroke.

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Conservation of the ipsilateral upper limb function is important in stroke subjects with contralateral hemiplegia, because often it must serve as a compensatory tool for activities of daily livings (ADLs). However, the amount of functional loss and/or the recovery pattern of the ipsilateral upper

Cerebral infarct site and affected vascular territory as factors in breathing weakness in patients with subacute stroke

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Objective: A better understanding of factors influencing breathing weakness in stroke survivors would help in planning rehabilitation therapies. The main objective of this study was to determine whether the location of cerebral infarct is

Same or opposite? Association of head-movement weakness with limb paresis in stroke.

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OBJECTIVE The precise innervation of the sternocleidomastoids is uncertain. Of clinical interest is whether a unilateral hemispheric lesion leads to an ispilateral or contralateral sternocleidomastoid weakness. METHODS Sternocleidomastoid strength was assessed in 124 consecutive acute stroke

Is isolated hand weakness associated with subtypes of stroke?

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Isolated hand weakness is an uncommon condition in stroke patients. It is frequently confused with peripheral nerve system (PNS) pathologies; misdiagnosis may delay identification of the etiology and treatment of stroke. Herein, we aimed to underline the necessity of keeping the

Diffusion-weighted MRI diagnosis of pure motor stroke limited to primarily distal leg weakness.

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Pure motor stroke (PMS) manifesting as distal weakness of a single extremity has rarely been described. The authors report a 59-year-old man with PMS who had primarily distal weakness of a single lower extremity, which to the authors' knowledge has not been previously described. Four days after

Contributions of voluntary activation deficits to hand weakness after stroke.

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Hemiparetic stroke survivors often exhibit profound weakness in the digits of the paretic hand, but the relative contribution of potential biomechanical and neurological impairment mechanisms is not known. Establishing sources of impairment would help in guiding treatment. The present study sought

Weakness is the primary contributor to finger impairment in chronic stroke.

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OBJECTIVE To assess the relative contributions of several neurologic and biomechanic impairment mechanisms to overall finger and hand impairment in chronic hemiparetic stroke survivors. METHODS Repeated-measures design. METHODS Clinical research laboratory. METHODS Thirty stroke survivors with

Community-dwelling individuals with stroke, who have inspiratory muscle weakness, report greater dyspnea and worse quality of life.

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The objective of the present study was to investigate if different levels of inspiratory muscle strength would be associated with dyspnea, walking capacity, and quality of life after stroke. For this exploratory study, the dependent outcome was strength of the inspiratory muscles, measured by

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