Recently hatched domestic chicks control their upright bipedal posture, at least in part, with respect to the flow of visual information at the retina, as do human infants when they first acquire control of the head, of sitting, and of standing. Some implications of the similarity of the proprioceptive function of vision in chicks and in humans for the origins and development of postural control are discussed.
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http://dx.doi.org/10.1068/p200381 | DOI Listing |
Commun Biol
January 2025
Department of Neurology, Peking University First Hospital, Beijing, People's Republic of China.
Persistent Postural-Perceptual Dizziness (PPPD) is a common cause of chronic vestibular syndrome. Although previous studies have identified central abnormalities in PPPD, the specific neural circuits and the alterations in brain network topological properties, and their association with dizziness and postural instability in PPPD remain unclear. This study includes 30 PPPD patients and 30 healthy controls.
View Article and Find Full Text PDFJ Electromyogr Kinesiol
January 2025
Centro Polifunzionale di Scienze Motorie, Università degli Studi di Genova, Genoa, Italy; Department of Experimental Medicine, Section of Human Physiology, Università degli Studi di Genova, Genoa, Italy.
This study investigated proprioceptive acuity using the conventional joint position reproduction (JPR) task and a modified version, the Dynamic JPR task (D-JPR), during Concentric and Eccentric muscle contractions. Seventeen participants were recruited and received a tactile stimulus indicating the position cue at Initial (INI), Intermediate (INT), and Final (FIN) phases of movements, during either the concentric or eccentric phases. After the movement, they replicated the position where they received the stimulus.
View Article and Find Full Text PDFJ Clin Med
January 2025
Department of Trauma Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany.
: Tactile gnosis derives from the interplay between the hand's tactile input and the memory systems of the brain. It is the prerequisite for complex hand functions. Impaired sensation leads to profound disability.
View Article and Find Full Text PDFInt J Environ Res Public Health
January 2025
Porto Biomechanics Laboratory (LABIOMEP), University of Porto, 4200-450 Porto, Portugal.
Background: Postural changes are considered a public health issue and have gathered significant interest in both research and clinical practice.
Aims: To evaluate the effectiveness of Global Postural Reeducation (GPR) in improving postural changes and postural stability in healthy young adults. Additionally, this study aims to identify the main postural changes in the sample population.
Int J Environ Res Public Health
December 2024
Grupo de Investigación en Educación Física, Salud y Calidad de Vida (EFISAL), Facultad de Educación, Universidad Autónoma de Chile, Temuco 4780000, Chile.
(1) Background: Aging is associated with a progressive decline in physical capacity, which is further exacerbated by conditions such as arthritis and chronic joint pain. This study aimed to compare the effects of aquatic and land-based exercise on the functional fitness of older adult women. (2) Methods: Sixty older women (mean age 66.
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