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Friday, May 1, 2020 | History

2 edition of cutaneous thermoregulatory vasomotor response in healthy subjects and paraplegic men. found in the catalog.

cutaneous thermoregulatory vasomotor response in healthy subjects and paraplegic men.

Lars A. Normell

cutaneous thermoregulatory vasomotor response in healthy subjects and paraplegic men.

by Lars A. Normell

  • 286 Want to read
  • 24 Currently reading

Published by Universitetsforlaget in Oslo .
Written in English

    Subjects:
  • Vasomotor system.

  • Edition Notes

    SeriesScandinavian journal of clinical & laboratory investigation. Supplementum -- no. 138., Scandinavian journal of clinical & laboratory investigation -- no. 138.
    The Physical Object
    Pagination41 p.
    Number of Pages41
    ID Numbers
    Open LibraryOL16598602M

      Studies relating to tetraplegic subjects (cervical spinal lesions) are fewer in number but have consistently shown this population to elicit much faster rates of core and skin temperature increase and thermal imbalance in both cool and warm conditions than paraplegic by:   People with spinal cord injury (SCI) have an altered afferent input to the thermoregulatory center, resulting in a reduced efferent response (vasomotor control and sweating capacity) below the level of the lesion. Consequently, core body temperature rises more rapidly during exercise in individuals with SCI compared with people who are by: 9.

    If ΔS thermoregulatory reflexes are evoked to conserve heat. Thermal stability is maintained through reduction of skin blood flow that can approach zero during maximal vasoconstriction. Reduction in skin blood flow increases the thermal insulation between the body and the environment by minimizing losses through conductive (K. Thermoregulation is a process that allows your body to maintain its core internal temperature. All thermoregulation mechanisms are designed to return your body to : Kimberly Holland.

    Relatively healthy subjects with diabetes mellitus did not show an altered axon reflex portion of the vasodilator response to skin warming, although that is likely to become degraded as the duration and severity of the diabetes increases. More prolonged, direct local heating to 42–45°C was found to cause significantly less vasodilation in. both core temperatures (T c) and skin temperatures (T sk) have afferent input to the thermoregulatory system, and it is generally accepted that changes in T c are more heavily weighted than changes in T sk in triggering autonomic responses that maintain thermal homeostasis ().For example, in the goat, the T c /T sk contribution ratio for metabolic heat production is ().Cited by:


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Cutaneous thermoregulatory vasomotor response in healthy subjects and paraplegic men by Lars A. Normell Download PDF EPUB FB2

Add tags for "The cutaneous thermoregulatory vasomotor response in healthy subjects and paraplegic men.". Be the first. Skin perfusion (blood flow) and cutaneous temperature of forehead skin of healthy men and women are depicted in Figure 2A, B. Figure 1 Typical thermographic image (A) and laser Doppler scan (B) of the right forehead in a healthy male volunteer after application of mild heat (43°C for 60 sec).Cited by: Cutaneous Vascular Response and Thermoregulation in Individuals With Paraplegia During Sustained Arm-Cranking Exercise Article (PDF Available) in International Journal of Sports Medicine.

Normell LA () The cutaneous thermoregulatory vasomotor response in healthy subjects and paraplegic men. Scand J Clin Lab Invest [Suppl] Google Scholar Cited by: A spinal cord injury impairs one's ability to thermoregulate because of: (a) loss of autonomic nervous system control for vasomotor and sudomotor responses in the areas of.

Lars A. Normell has written: 'The cutaneous thermoregulatory vasomotor response in healthy subjects and paraplegic men' -- subject(s): Vasomotor system Asked in Exercise. Thermoregulatory and rhythm‐generating mechanisms governing the sudomotor and vasoconstrictor outflow in human cutaneous nerves.

Recordings of multiunit sympathetic activity were made from human nerve fascicles supplying hairy and glabrous skin of the extremities in healthy subjects exposed to different ambient temperatures. Sudomotor and Cited by:   Measurement of haemodynamic responses, cutaneous blood flow and sweat release during penile vibratory stimulation (PVS) in spinal cord-injured men.

To Cited by: Journal of the Autonomic Nervous System ELSEVIER Journal of the Autonomic Nervous System 53 () Arteriovenous anastomoses and the thermoregulatory shift between cutaneous vasoconstrictor and vasodilator reflexes Anne-Lene Krogstad b, Mikael Elam a., Tomas Karlsson a, B.

Gunnar Wallin a ~' Department of Clinical Neuroscience, Section of Clinical Neurophysiology, Cited by: 5. Ear skin temperature of guinea pigs as an index of thermoregulatory vasomotor reactions in response to pyrogens can thus only be evaluated appropriately at a high ambient temperature in a state of peripheral vasodilation.

by: 5. Convective heat loss from one hand to water-perfused glove provided a continuous measurement of vasomotor response. Heat production, sweating, and vasomotor heat loss were proportional to core temperature. Sweating and vasomotor response were parallel. Vasoconstriction was complete, before the onset of shivering.

by: The Vasomotor Response In The Comparison Question Test Polygraph,Volume 44 (1) 63 published study we could find that did not report a significant effect for at least one feature of the vasomotor response Bell, Raskin, Honts, and Kircher () and Handler () describe the Utah Scoring System criteria for the Size: 1MB.

In addition, the anatomy of the skin relevant to its thermoregulatory function is outlined. The mechanisms by which sympathetic nerves mediate cutaneous active vasodilation during whole body heating and cutaneous vasoconstriction during whole body cooling are reviewed, including discussions of mechanisms involving cotransmission, NO, and other Cited by: Effects of Cooling During Exercise on Thermoregulatory Responses of Men With Paraplegia.

have an altered afferent input to the thermoregulatory center, resulting in a reduced efferent response (vasomotor control and sweating capacity) below the level of the lesion. (separate days). Core body temperature and skin temperature were Cited by: 9. Title:The Effects and Action Mechanisms of Phytoestrogens on Vasomotor Symptoms During Menopausal Transition: Thermoregulatory Mechanism VOLUME: 20 ISSUE: 2 Author(s):Haryati Ahmad Hairi, Ahmad Nazrun Shuid*, Nurul ‘Izzah Ibrahim, Jamia Azdina Jamal, Norazlina Mohamed and Isa Naina Mohamed Affiliation:Department of Pharmacology, Faculty of Medicine, Preclinical Building, Cited by: 2.

skin thermoreceptors. This thermoregulatory structure acts as a “heat preserve center” activating the main thermoregulatory response to cold: decrease in skin blood flow and shivering.

The thermoregulatory centers exhibit hierarchy in integrating thermal information at different levels of the central nervous system. Objective: To compare thermoregulatory responses of highly trained men who are tetraplegic during 40 min exercise at 65% V̇O2 peak and 60 min immersion in Cited by: ROI during a prolonged wheelchair exercise with trained paraplegic men.

Normell [59] indicates that there is a large individual variation of the cutaneous thermoregulatory vasomotor response, specially at the lower spinal lesion levels, highlighting differences in the somatosensory and sympathetic pathways, in the sympathetic outflow response.

During heat stress, our skin contributes to body cooling by the generation and evaporation of sweat, and by dissipation of heat from the blood to the environment [6, 9, 10, 20].Loss of heat from the skin vasculature is facilitated by the large cross-surface area of the vascular networks running parallel to the skin surface (e.g., Fig.

) and by vasodilatation of skin blood vessels to. Reflex cutaneous vasoconstriction. The cutaneous circulation is critical for human thermoregulation. In thermoneutral environments, skin blood flow, assessed via venous occlusion plethysmography, typically approximates 30 mlmin −1 g −1 of skin (, ).This circulation is overperfused relative to its metabolic rate; however, this is beneficial for thermoregulatory function.

Vasomotor symptoms (VMS), including hot flushes and night sweats, are the most common symptoms associated with menopause. Although the physiology of hot flushes is not fully defined, understanding the complex thermoregulatory circuitry that underlies VMS is important for the development of new by: Influence of Thermoregulatory Vasomotion and Ambient Temperature Variation on the Accuracy of Core-temperature Estimates by Cutaneous Liquid-crystal Thermometers You will receive an email whenever this article is corrected, updated, or cited in the by: Reflex cutaneous vasoconstriction.

The cutaneous circulation is critical for human thermoregulation. In thermoneutral environments, skin blood flow, assessed via venous occlusion plethysmography, typically approximates 30 mlmin −1 g −1 of skin (, ).This circulation is overperfused relative to its metabolic rate; however, this is beneficial for thermoregulatory function Cited by: