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[Comparative analysis of the effect of weightlessness and its model on the velocity-strength properties and tonus of human skeletal muscles].

Abstract

The effect of various types of support elimination (actual zero-g, water immersion, and head-down tilt) on the strength-velocity properties and tone of leg muscles was investigated. With all the exposures used, there was a high correlation between the tone decrease and the strength potential of antigravitational muscles, as well as the degree of support elimination (immersion and bed rest). This suggests that the tonic changes associated with the decrease of the support input are the major factor responsible for motor disorders during short-term exposures to zero-g.

Authors

, ,

Source

MeSH

Action Potentials
Humans
Leg
Male
Models, Biological
Movement
Muscle Contraction
Muscles
Posture
Space Flight
Time Factors
Weightlessness

Pub Type(s)

Comparative Study
English Abstract
Journal Article

Language

rus

PubMed ID

6513481

Citation

TY - JOUR T1 - [Comparative analysis of the effect of weightlessness and its model on the velocity-strength properties and tonus of human skeletal muscles]. AU - Kozlovskaia,I B, AU - Grigor'eva,L S, AU - Gevlich,G I, PY - 1984/11/1/pubmed PY - 1984/11/1/medline PY - 1984/11/1/entrez SP - 22 EP - 6 JF - Kosmicheskaia biologiia i aviakosmicheskaia meditsina JO - Kosm Biol Aviakosm Med VL - 18 IS - 6 N2 - The effect of various types of support elimination (actual zero-g, water immersion, and head-down tilt) on the strength-velocity properties and tone of leg muscles was investigated. With all the exposures used, there was a high correlation between the tone decrease and the strength potential of antigravitational muscles, as well as the degree of support elimination (immersion and bed rest). This suggests that the tonic changes associated with the decrease of the support input are the major factor responsible for motor disorders during short-term exposures to zero-g. SN - 0321-5040 UR - https://www.unboundmedicine.com/medline/citation/6513481/[Comparative_analysis_of_the_effect_of_weightlessness_and_its_model_on_the_velocity_strength_properties_and_tonus_of_human_skeletal_muscles]_ ER -