Weakness of the dorsiflexor muscles of the ankle or toe, referred to as foot drop, is a relatively common presentation. In most cases, foot drop is caused by a lower motor neuron disease such as peroneal peripheral neuropathy, L4-5 radiculopathic sciatic neuropathy, or polyneuropathy. Although upper motor neuron lesions can present as foot drop, the incidence is very rare. Here, we report an extremely rare case in which foot drop was the only presenting symptom of cerebral infarction.
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http://dx.doi.org/10.3340/jkns.2014.56.3.254 | DOI Listing |
J Am Podiatr Med Assoc
January 2025
†Arbor-Ypsi Foot and Ankle Centers, Ann Arbor, Michigan.
This case report describes an otherwise healthy 43-year-old female who presented with severe pain, foot drop, and critical limb ischemia to her left foot caused by thrombosis of a peripheral artery secondary to antiphospholipid syndrome. Antiphospholipid syndrome is an autoimmune disease that frequently manifests as recurrent arterial and/or venous thrombotic events, ischemic strokes, and miscarriages. Antiphospholipid syndrome affecting primarily the arteries is less common as compared to venous thrombosis.
View Article and Find Full Text PDFInt Orthop
January 2025
Aspetar Orthopedic and Sports Medicine Hospital, Doha, Qatar.
Entrapment neuropathies of the lower extremity are often underdiagnosed due to limitations in clinical examination and electrophysiological testing. Advanced imaging techniques, particularly MR neurography and high-resolution ultrasonography (US), have significantly improved the evaluation and diagnosis of these conditions by enabling precise visualization of nerves and their surrounding anatomical structures. This review focuses on the imaging features of compressive neuropathies affecting the lumbosacral plexus and its branches, including the femoral, obturator, sciatic, common peroneal, and tibial nerves.
View Article and Find Full Text PDFArch Bone Jt Surg
January 2024
Joint Reconstruction Research Center, Tehran University of Medical Sciences, Tehran, Iran.
Flail foot is a condition characterized by a significant weakness in ankle dorsiflexion, resulting in limited or no active mobility in the ankle. To address this issue, we described a novel approach called tenodesis, which has been developed for ankle joint stabilization. This technique utilizes the patient's tendons to minimize potential complications.
View Article and Find Full Text PDFBMJ Neurol Open
January 2025
Research Group experimental Neurosurgery and Neuroanatomy and the Leuven Brain Institute, KU Leuven, Leuven, Flanders, Belgium.
Objective: Diffusion tensor imaging (DTI) showed promising results in diagnosing upper limb neuropathies, but its value in patients with foot drop due to peroneal neuropathy has not yet been investigated. We aim to establish reference values for DTI metrics of the healthy peroneal nerve and to evaluate differences in DTI metrics between patients and healthy controls.
Methods: Diffusion-weighted images (DWI) from 22 pathological nerves, 14 asymptomatic patients' nerves and 65 healthy peroneal nerves were processed for quantitative assessment of fractional anisotropy (FA), radial diffusivity (RD), axial diffusivity and mean diffusivity.
Gait Posture
January 2025
The University of Tokyo, Department of Biological Sciences, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan. Electronic address:
Background: Several foot models have been developed to estimate the behaviors of the plantar aponeurosis (PA) during movements. However, these models did not consider the actual path of the PA, and their validity remains insufficiently investigated due to the absence of direct PA measurement during movements.
Research Question: Would developing a foot model that considers the actual path of the PA improve the accuracy of estimating the PA behavior during movements?
Methods: The foot model was developed based on the CT scans of the six feet with 20 markers attached.
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