Different Weight-bearing Standing Balance Experimental Study On Effects On Adults

Purpose: Carry a heavy load to the unarmed static erectness as well as three kinds under the way the human body to balance each target differently to carry on the test, discusses the human body in differently to carry a heavy load under the way each balanced target change rule, and carries a heavy load the balance related sports for each kind, the daily labor production provides the reference. Methods: Uses the national natural sciences fund subsidization project"the portable human body center-of-gravity position dynamic examination system"to the Shandong normal university sports institute's 30 student (male student 15, female student 15) carries on the balance test, the experiment divides into four groups (unarmed group, carries a heavy load posture 1, carries a heavy load posture 2, carries a heavy load posture 3), each group divides into the both feet to open eyes, the both feet closes one's eyes, Shan Jia opens eyes, Shan Jia closes one's eyes altogether 4 times, therefore each position must complete trying 4 group of×4 =16 times. Finally intercepts 5s~25s which each time tests is the sampling time, and carries on the statistical analysis to this time section each balanced target. Results: 1.The men and women balance the target difference comparison: Opens eyes, the both feet in the both feet closes one's eyes, Shan Jia opens eyes, Shan Jia closes one's eyes under four conditions, has the male student Y direction long the vacillation path, the vacillation speed is big, female student X direction vacillation path long, vacillation speed big rule, but 11 balanced targets do not have the significance difference after the examination.2.Three kinds carry a heavy load differently the posture to the human body balance target influence: (1) opens eyes when the both feet, carries a heavy load in the posture 1 11 balanced targets only then always to vacillate the speed and the unarmed existence significance difference (P<0.05), in which carries a heavy load the posture 1 total speed for 1.78±0.18, unarmed total speed for 1.9±0.12; Carries a heavy load posture 2 X right, X left, S and unarmed existence significance difference (P<0.05), in which carries a heavy load posture 2 X right for 1.13±0.64, X left for 1.02±0.49, S for 1.75±0.78, unarmed X right for 0.77±0.23, X left for 0.7±0.27, S for 1.2±0.57; Carries a heavy load the posture 3 11 balanced targets and the unarmed existence significance difference (P<0.01), carries a heavy load the posture 3 balanced targets to be higher than the unarmed balanced target obviously. (2) when both feet and closes one's eyes, carries a heavy load the posture 1 11 balanced targets and the unarmed group compares does not have the significance difference; Carries a heavy load posture 2 X right, in front of Y, V, S and the unarmed group have the significance difference (P<0.05), in which carries a heavy load posture 2 X right for 1.19±058, Y front for 1.2±0.36, V for 2.16±0.27, S for 2.47±1.3, unarmed respectively be 0.8±034,0.94±0.25,2.13±0.26,1.57±0.98; Carries a heavy load the posture 3 each balanced target and the unarmed existence significance difference (P<0.01), also each balanced target is higher than the unarmed group identically.When (3) Shan Jia opens eyes, carries a heavy load posture 1 X left for 1.29±0.31, the unarmed group X left for 1.55±0.38, the two assumes the significance difference (P<0.05), carries a heavy load in front of posture 1 Y for 1.58±0.42, in front of unarmed group Y for 2.02±0.4, the two difference is extremely remarkable (P<0.01); Carries a heavy load posture 2 not to have the significance difference with unarmed group each balanced target; Carries a heavy load posture 3 after X right, X left, Y in front of, Y outside, other 7 targets and the unarmed group have the significance difference (P<0.01), also carries a heavy load the posture 3 targets to be bigger than the unarmed group obviously. When (4) Shan Jia closes one's eyes, carries a heavy load posture 1 X right for 2.02±0.38, the unarmed group for 2.52±0.7, after carries a heavy load posture 1 Y for 3.07±0.87, the unarmed group for 4.4±2.21, two targets has the difference obviously (P<0.05); Carries a heavy load posture 2 not to have the significance difference with unarmed group each balanced target; Carries a heavy load posture 3 X left, Ly, Vy, L, V, S and the unarmed group have the significance difference (P<0.05), also carries a heavy load posture 3 to be higher than the unarmed group.3.Three kinds carry a heavy load the posture arrowy axis and the coronal axis balance target comparison: (1) carries a heavy load posture 1 and carries a heavy load posture 2 around to displace the scope to displace difference of the scope with about to be smaller than under four kind of conditions unarmed (2) carries a heavy load posture 1 (opens eyes when the both feet and closes one's eyes) stands, the arrowy axis displacement scope is smaller than the coronal axis, is opposite with the unarmed characteristic; Carries a heavy load posture 2 opens eyes besides the both feet when, under other three kind of conditions same is bigger than the coronal axis with the unarmed characteristic for the arrowy axis; Carries a heavy load the posture 3 displacement scopes with the arrowy axis which unarmed displays to be bigger than coronal axis this characteristic under four kind of conditions to be consistent.