STUDY OF INFLUENCE OF SIMULATED WEIGHTLESSNESS AND LUNAR GRAVITY TO BIOMECHANICAL PARAMETERS OF HUMAN WALKING
2016
: The paper presents the results of a comparative analysis of the biomechanical characteristics human's walking before and after a stay in a long-term head-down bed rest at a -6 degrees angle simulating a microgravity (the HDBR-group) and in head-up bed rest (HUBR) at a +9.6 degrees angle as a analogue of lunar gravity (the HUBR-group). The biomechanical characteristics of the walking on a treadmill pace of 60 steps/minute before and after bed rest were analyzed. We investigated also the electromyographic characteristics of leg muscles and recorded the angles in the following joints: hip joint, knee joint and ankle joint. The most pronounced effect on the parameters of the humans walking was found in the HDBR-group. It was manifested in the changes of angles in the leg joints at various phases of a step change and in an electromyographic activity of muscles. Similar, but less pronounced changes of walking biomechanical characteristics were found after bed rest in the HUBR-group.
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