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Knee position affects medial gastrocnemius and soleus activation during dynamic plantarflexion: no evidence for an inter-muscle compensation in healthy young adults.
Biol Open
December 2024
Department of Kinesiology, Hungarian University of Sports Sciences, Alkotás utca 44-48, Budapest 1123, Hungary.
Knee joint position influences ankle torque, but it is unclear whether the soleus compensates to counteract the reductions in gastrocnemius output during knee-flexed versus knee-extended plantarflexions. Therefore, the purpose of this study was to determine the effects of knee joint position and plantarflexion contraction velocity on ankle plantarflexion torque and electromyography activity of the medial gastrocnemius and soleus in healthy young adults. Healthy male participants (n=30) performed concentric plantar flexions in a custom-built dynamometer from 15° dorsiflexion to 30° plantarflexion at gradually increasing velocities during each contraction at 30, 60, 120, 180, and 210° s-1 in a supine position with the knee fully extended and while kneeling with the knee fixed in 90° flexion.
View Article and Find Full Text PDFEEG biomarkers of Epileptiform Activity in Relation to Alzheimer’s Disease Biomarkers.
Alzheimers Dement
December 2024
National Institute of Mental Health, Neurology and Neurosurgery, Budapest, Hungary
Background: Growing evidence suggests that the imbalance between excitability and inhibitory neural activity is a key aspect of cognitive decline. Subclinical epileptiform activity (SEA) has been indicated as a marker of increased cortical excitability. While SEA is considered as a benign EEG sign in the elderly population, recent studies demonstrated its role in the progression of Alzheimer’s disease.
View Article and Find Full Text PDFThe effect of continuous positive airway pressure therapy on early atherosclerosis in patients with severe obstructive sleep apnea-hypopnea syndrome.
Sleep Breath
January 2025
Faculty of Medicine, Department of Neurology, University of Debrecen, Moricz Zs. str. 22, Debrecen, H-4032, Hungary.
Purpose: Obstructive sleep apnea-hypopnea syndrome (OSAHS) is the most common sleep-related breathing disorder. Longer term, repeated episodes of hypercapnia and hypoxemia during sleep are associated with inflammatory and atherosclerosis-related factors. The aim of this study was to explore the effect of continuous positive airway pressure (CPAP) therapy on cerebral vasoreactivity and early atherosclerosis in patients with severe OSAHS.
View Article and Find Full Text PDFPostneonatal Cerebral Palsy in Europe: Prevalence and Clinical Characteristics According to Contributory Events: An SCPE Study.
Paediatr Perinat Epidemiol
January 2025
Childhood Disability Registry in Haute-Garonne, University Hospital, Toulouse, France.
Background: Postneonatal cerebral palsy (PNCP) is rare and requires large databases to be studied over time.
Objectives: To study the time trend of prevalence of PNCP overall and by cause, and to describe the clinical characteristics of children with PNCP according to cause and compared with children with pre/peri/neonatal CP (PPNCP).
Methods: The Surveillance of Cerebral Palsy in Europe (SCPE) database was used.
Postural Responses in Trauma-Experienced Individuals.
Biomedicines
December 2024
Department of Health and Nursing Sciences, Faculty of Health and Sport Sciences, Széchenyi István University, Egyetem tér 1, 9026 Győr, Hungary.
Balance and proprioception are essential elements in postural control and injury prevention. Proprioception, the body's sense of position and movement, is closely tied to balance, which depends on input from the visual, vestibular, and somatosensory systems. This article explores the link between trauma experiences and proprioceptive dysfunction, emphasizing how heightened muscle tone, dissociation, and altered sensory processing contribute to balance issues and the risk of injury.
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