Results 121 to 130 of about 1,978,723 (197)

Neuroanatomy education through the years: Revisiting the teaching slides used by Sir Wilfrid Edward Le Gros Clark

Journal of Anatomy, EarlyView.
This paper examines the life and legacy of British anatomist Sir Wilfrid Le Gros Clark through his neuroanatomical teaching collection at the University of Oxford. The authors catalogued 103 specimens and analyzed selected slides—including cases of multiple sclerosis, amyotrophic lateral sclerosis, tabes dorsalis, syringomyelia, and the pineal gland's ...
Shiva A. Nischal, Kush M. Kale, Katherine Tourigny, Mohammed Abuelem, Gretchen Greene, Rachel Walsh, Zoltán Molnár   +6 more
wiley   +1 more source

DISTAL AND PROXIMAL FASCICLE LENGTH CHANGES IN ACTIVE AND PASSIVE HUMAN GASTROCNEMIUS MUSCLE [PDF]

, 2016
INTRODUCTION Skeletal muscle is composed of structural units of decreasing size, with muscle fascicles as the largest unit and sarcomeres as the smallest unit [1]. Fascicles define the overall muscle architecture.
Fortuna, Rafael, Zhang, Thomas K, Herzog, Walter   +2 more
core   +2 more sources

Description of Flavicapitulum gen. nov. and two new species of Marmoreocelis from thermal habitats in the Americas

Journal of Phycology, EarlyView.
Abstract Three novel taxa in the Coleofasciculales were observed in hot springs in Yellowstone National Park, Wyoming, United States, and in the Tabaconcito thermal springs on the Rio Tabacón in Costa Rica. Flavicapitulum vaporiphilum gen. et sp. nov. was located in a supported clade with Gracilinea and Marmoreocelis.
Jeffrey R. Johansen, Jan Pokorný, Radka Hauerová, Jan Kaštovský   +3 more
wiley   +1 more source

Eight weeks of eccentric training at long-muscle length increases fascicle length independently of adaptations in passive mechanical properties

Eccentric exercise training is believed to induce an increase in muscle fascicle length. However, the mechanisms underlying this adaptation are not fully understood.
Tallio, Tristan, Lacourpaille, Lilian, Cattagni, Thomas, Colard, Julian, Dorel, Sylvain, Andrade, Ricardo J, Nordez, Antoine, Seynnes, Olivier, Sarcher, Aurélie, Andrade, Ricardo, Bizet, Baptiste, Betus, Yohan   +11 more
core   +1 more source

Ariadnema polymorpha gen. et sp. nov. (Scytonemataceae, Cyanobacteria): A new heterocytous cyanobacterium with true and false branching from ruins in the Brazilian Atlantic Forest

Journal of Phycology, EarlyView.
Abstract A novel heterocytous Cyanobacterium, Ariadnema polymorpha gen. et sp. nov., was observed in the northern Brazilian Atlantic Forest (BAF), a globally significant biodiversity hotspot that has microbiome diversity yet to be explored. Isolated from ancient sugarcane mill ruins within the BAF, the new genus (strain CCAPE130) exhibits a unique ...
Jefferson Vitor Melo Cabral, Haywood Dail Laughinghouse IV, Jonatas Mota Paulino, Watson Arantes Gama   +3 more
wiley   +1 more source

Modulation of stretch activation influences the stretch‐shortening cycle effect in in vivo human knee extensors

Physiological Reports
This study investigated the effects of progressively increasing voluntary activation during the stretch phase on force and work production in the stretch‐shortening cycle (SSC) of human knee extensors.
Iseul Jo, Wolfgang Seiberl, Hae‐Dong Lee   +2 more
doaj   +1 more source

Changes in motor unit conduction velocity after unilateral lower‐limb suspension and active recovery are correlated with muscle ion channel gene expression

Experimental Physiology, EarlyView.
Abstract The effects of muscle disuse on the propagation of action potentials along motor unit (MU) muscle fibres, a key process for effective muscle activation and force generation, remain poorly understood. The aim of this study was to investigate changes in action potential propagation and to identify biological factors influencing these changes ...
Giacomo Valli, Fabio Sarto, Francesco Negro, Elena Monti, Giuseppe Sirago, Matteo Paganini, Sandra Zampieri, Martino V. Franchi, Andrea Casolo, Julián Candia, Luigi Ferrucci, Marco V. Narici, Giuseppe De Vito   +12 more
wiley   +1 more source

Alterations to longitudinal muscle morphology and mechanical function following immobilization and recovery in female ovariectomized and intact rats

Experimental Physiology, EarlyView.
Abstract Serial sarcomere number (SSN) is reduced following immobilization of a muscle in a shortened position in male rodents thereby impairing muscle contractile function. However, in female rodents the effects of oestrogen on SSN and mechanical changes following immobilization and re‐ambulation are unknown.
Alexandra Q. Kirkup, Amelia Rilling, Alexander M. Zero, Geoffrey A. Power   +3 more
wiley   +1 more source

In vivo gastrocnemius muscle fascicle length in children with and without diplegic cerebral palsy

, 2008
The effect of spastic cerebral palsy on in vivo gastrocnemius muscle fascicle length is not clear. Similarity of fascicle lengths in children with diplegia and typically developing children, but shortening of fascicle lengths in the paretic legs of ...
Vasilios Baltzopoulos (5171513), Konstantinos A. Giannikas (23976192), Amir A. Mohagheghi (5171519), Constantinos N. Maganaris (7238582), Tahir Khan (3460595), Timothy H. Meadows (23976318)   +5 more
core  

Stretch versus shortening contractions subsequently decrease versus increase neural drive to the human tibialis anterior

Experimental Physiology, EarlyView.
Abstract EMG‐based muscle force predictions are often inaccurate following active muscle stretch or shortening because of residual force enhancement (rFE) or depression (rFD), respectively, which can alter the neural drive to a muscle. However, the extent of neural drive modulation attributable to rFE or rFD remains unknown owing to the limited spatial
Brent James Raiteri, Karla Friederike Bosse, Marta Boccardo, Alain Charles Vandal, Daniel Hahn   +4 more
wiley   +1 more source