АНАЛИЗ СТРАТЕГИИ ЛОКОМОЦИЙ ЧЕЛОВЕКА ПРИ ВЫПОЛНЕНИИ ХОДЬБЫ В УСЛОВИЯХ РАЗЛИЧНОЙ ВЕСОВОЙ НАГРУЗКИ НА ОПОРНО-ДВИГАТЕЛЬНЫЙ АППАРАТ

The article presents the results of an analysis of the biomechanical characteristics of human walking performed at various gravitational (weight) loads on the musculoskeletal system. 15 healthy men participated in the investigation. They performed a test on the treadmill — walking at the pace of 90 steps/minute with different weight loads on the musculoskeletal system: 100 % of body weight, 38 % of body weight and 16 % of body weight, typical for of human walking on the surface of Earth, Mars and Moon. Change of weight loads on musculoskeletal system produced by the vertical suspension. We analyzed the angles and angular velocities in the joints of the feet (hip, knee, ankle). To evaluate the locomotion strategy, an analysis of phase trajectories in the joints. We analyzed the kinetic energy of rotational motion associated with flexion (negative angular velocities) and extension (positive angular velocities) of the joint. The results of the study indicate changes in the strategy of performing locomotions with a reduced weight load on the musculoskeletal system. Changes in the kinetic energy indices associated with both flexion and with extension in the joints of the lower limbs during walking with different weight load were revealed.