Angelika Fritz

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A muscle does not have a unique force-frequency relationship; rather, it is dynamic and depends on the activation history of muscle. The purpose of this study was to investigate the force-frequency relationship of nonfatigued and fatigued skeletal muscle with the use of both catchlike-inducing trains (CITs) that exploited the catchlike property of skeletal(More)
BACKGROUND AND PURPOSE Color Doppler sonography (CDS) suffers from such disadvantages as high interobserver variability and problems with data presentation and storage. We therefore performed a prospective trial to assess the role of three-dimensional CDS (3D-CDS) in the evaluation of internal carotid artery stenosis (ICAS). METHODS We included 32(More)
The objective was to measure muscle fibre conduction velocity (MFCV) in the biceps brachii of normal subjects, and patients with mild myopathies and anterior horn cell diseases. Unisolated steel needles served as stimulation and recording electrodes. By aid of a computer program for data acquisition and analysis, up to 1,400 single fibre potentials could be(More)
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