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  • pathways
  • An important gene associated with Periodic Paralyses is SCN4A (Sodium Voltage-Gated Channel Alpha Subunit 4), and among its related pathways/superpathways are Cardiac conduction and Dopamine-DARPP32 Feedback onto cAMP Pathway . (malacards.org)
  • ventricular
  • The progressive accumulation of interstitial collagen fibers in both chronic cardiacdiseases may be expected to decrease myocardial compliance and disrupt synchronous contractions of theventricles during systole, contributing to a spectrum of ventricular dysfunction that involve eitherthe diastolic or systolic phase of the cardiac cycle or both. (medscimonit.com)
  • 9. The method of claim 1 further comprising calculating conduction delays with respect to a third ventricular location. (google.de)
  • changes
  • Then, during prolonged activity, Phase II changes involve the opening of ClC-1 and K ATP channels, increasing G M to four to five times its value in quiescent fibers. (rupress.org)
  • in this issue), we demonstrated the significance of this G M regulation for subthreshold electrical properties in muscle fibers, and from this predicted the effects of such G M changes upon their excitability. (rupress.org)
  • Bigland-Ritchie B, Woods JJ (1984) Changes in muscle contractile properties and neural control during human muscular fatigue. (springer.com)
  • The full recovery in force after 15 minutes (which is seldom seen) was attributed to a warm-up effect as indicated by stereotypical changes associated with an increase in muscle temperature. (sdsu.edu)
  • Changes in muscle strength and EMG median frequency after anterior cruciate ligament reconstruction. (edu.pl)
  • Results using a single probe demonstrate that directional changes in the in-plane principal deformation axes can help locate the bulging area due to LAD ligation, which matched well with corresponding Evans Blue staining, and strains, or strain magnitude, based on principal stretches can characterize heart muscle contractility. (pubmedcentralcanada.ca)
  • measurements
  • Passive conduction properties of the novel model agreed with established linear circuit analysis and previous experimental results, while key simulations of AP firing were tested against focused experimental microelectrode measurements of membrane potential. (rupress.org)
  • To determine which of these models gave the best representation of the electrical properties of rat extensor digitorum longus (EDL) muscle fibers in which the G M regulation has been observed, experimental measurements of membrane impedance properties were compared with the electrical characteristics of the cable models. (rupress.org)
  • It seems therefore advisable to use monopolar EMG measurements on penniform muscles. (frontiersin.org)
  • system
  • In keeping with its clinical characteristics, PVFS may be referred to as myalgic encephalomyelitis (ME), thus reflecting involvement of muscle tissue and the central nervous system. (meactionuk.org.uk)
  • Clinical neurophysiology deals with the detection, recording and interpretation of bioelectric currents arising from the nervous system and from muscles. (vin.com)
  • Progression of conduction system (special muscle fibers that conduct electrical impulses throughout the muscle of the heart) disease to complete atrioventricular block (impairment of the conduction between the atria and ventricles of the heart) is the presumed cause of sudden death in a high proportion of patients. (redorbit.com)
  • fatigue
  • A series of short contractions of the first dorsal interosseous muscle were performed pre- and post-fatigue at 20% MVC, and again following a 10-min recovery period, by 12 chronic stroke survivors. (frontiersin.org)
  • Rahnama N, Reilly T, Lees A, Graham-Smith P (2003) Muscle fatigue induced by exercise simulating the work rate of competitive soccer. (springer.com)
  • This study examined the recovery in strength following local muscular fatigue in the tibialis anterior muscle in males (N = 14). (sdsu.edu)
  • To examine whether or not median frequency surface electromyographic (MF-EMG) back muscle fatigue monitoring would be able to identify alterations in back muscle function in elderly muscles, if a protocol was used that allowed optimum standardization of the processes underlying electromyographic fatigue, and whether these tests were reliable from day to day. (biomedcentral.com)
  • The MF-EMG fatigue method is able to elucidate alterations of aging back muscles. (biomedcentral.com)
  • structures
  • Pain can arise from different musculoskeletal structures (e.g. muscles, joints, ligaments, or tendons), and differentiating the origin of pain from those different structures is a challenge. (wildapricot.org)
  • sudden
  • 8. The method of claim 1 further comprising providing a warning upon a sudden change in the calculated conduction delay. (google.de)
  • isometric
  • The isometric peak torque was significantly decreased in TA muscles subjected to more than 10 eccentric contractions, compared with control TA muscles. (lww.com)
  • angle
  • The peak torque joint angle increased (i.e. shifted toward shorter muscle length) in hamstrings in eccentric at 60 deg s −1 (ES = 1.35) and at 300 deg s −1 (ES = 0.71) and in concentric modality at 300 deg s −1 (ES = 0.50) but not at 60 deg s −1 (ES = 0.23). (springer.com)
  • The muscle fibers are on an angle with respect to the skin surface. (frontiersin.org)
  • sEMG
  • Conclusions: There are no differences in SEMG of quadriceps muscle between both lower limbs. (edu.pl)
  • electrical stimulation
  • The right tibialis anterior (TA) muscles of anesthetized male wistar rats (n = 4-6, each group) were subjected to 1, 5, 10, 20, 30 or 40 controlled eccentric contractions induced by electrical stimulation. (lww.com)
  • distal
  • A type 3 injury describes disruption of both ligaments whereas a type 4 injury entails complete disruption of both ligaments with posterior displacement of the distal clavicle into the trapezius muscle. (brainscape.com)
  • The purpose of this study was to compare the correlation and coherence of EMG-currents within and between proximal and distal compartments of the medial gastrocnemius muscle, which reflect underling synchronization of motor units. (frontiersin.org)
  • eccentric
  • The TA muscles subjected to 1, 5 and 10 eccentric contractions exhibited slight muscle damage (under 2.3% damaged fibers). (lww.com)
  • In contrast, TA muscles subjected to 20 (43.4 ± 12.8%), 30 (48.4 ± 12.5%) and 40 (44.2 ± 15.3%) eccentric contractions exhibited intense muscle damage. (lww.com)
  • The results indicated that I) the extent of muscle fiber damage does not depend on the increased number of eccentric contractions, 2) the decline of muscle force after eccentric exercise is related to the extent of muscle fiber damage and decreased iEMG signal. (lww.com)
  • torque
  • A significant correlation was recognized between peak torque and percentage of muscle damage (r = −0.62). (lww.com)
  • Upon
  • 5. The method of claim 4 further comprising stopping pacing before calculation of a conduction delay upon a command received from an external programmer. (google.de)
  • Activity
  • Lastly, a decreased level of antagonist (soleus) muscle activity (9%) relative to the agonist was seen during recovery. (sdsu.edu)
  • Background: The aim of the study was to estimate differences in bioelectrical activity between rectus femoris (RF) and vastus medialis (VM) muscles of each lower limb. (edu.pl)
  • injury
  • Hägglund M, Waldén M, Ekstrand J (2013) Risk factors for lower extremity muscle injury in professional soccer. (springer.com)
  • effects
  • 7. Gondin J, Guette M, Ballay Y, Martin A. Electrostimulation Training Effects on Neural Drive and Muscle Architecture. (edu.pl)