Applied Bionics and Biomechanics / 2018 / Article / Tab 1 / Research Article
Effects of Dental Occlusion on Body Sway, Upper Body Muscle Activity and Shooting Performance in Pistol Shooters Table 1 Results of the COP parameters and EMG muscle activity on the three experimental conditions. AP—anterior posterior; ML—medium lateral; OS—occlusal splint; N—normal condition; PS—placebo splint.
Variables (unit) 500 ms 200 ms 100 ms 300 ms OS N PS valueOS N PS valueOS N PS valueOS N PS valueCOP parameters Total distance (cm) 55.3 ± 24.4 53.5 ± 21.2 55.6 ± 22.2 0.583 35.5 ± 15.9 34.2 ± 13.5 35.6 ± 14.2 0.682 26.5 ± 10.7 26.0 ± 9.9 27.5 ± 10.3 0.583 44.5 ± 18.8 43.2 ± 16.6 45.3 ± 17.3 0.633 AP distance (cm) 33.1 ± 15.8 32.7 ± 15.1 31.9 ± 13.2 0.695 21.3 ± 10.7 21.0 ± 9.9 20.4 ± 8.9 0.754 25.8 ± 7.4 15.9 ± 7.1 16.1 ± 6.4 0.968 26.7 ± 12.8 26.5 ± 12.1 26.3 ± 10.7 0.976 ML distance (cm) 40.6 ± 23.4 38.3 ± 21.4 41.2 ± 25.1 0.394 26 ± 14.9 24.3 ± 13.5 26.9 ± 15.9 0.464 19.6 ± 10.2 18.6 ± 10 20.1 ± 11.7 0.531 32.8 ± 17.8 30.9 ± 16.7 33.2 ± 18.6 0.492 AP amplitude oscillation (cm) 0.7 ± 0.2 0.7 ± 0.2 0.7 ± 0.2 0.538 0.5 ± 0.2 0.4 ± 0.2 0.4 ± 0.1 0.687 0.4 ± 0.4 0.5 ± 0.4 0.6 ± 0.5 0.068 0.7 ± 0.4 0.8 ± 0.4 0.8 ± 0.5 0.199 ML amplitude oscillation (cm) 0.5 ± 0.4 0.5 ± 0.2 0.5 ± 0.2 0.710 0.4 ± 0.3 0.3 ± 0.2 0.3 ± 0.2 0.926 0.5 ± 0.5 0.6 ± 0.6 0.6 ± 0.6 0.368 0.7 ± 0.6 0.8 ± 0.6 0.7 ± 0.6 0.584 Oscillation area (cm2 ) 0.3 ± 0.1 0.5 ± 0.9 0.4 ± 0.5 0.472 0.1 ± 0.8 0.4 ± 0.01 0.3 ± 0.6 0.338 0.2 ± 0.4 0.7 ± 0.9 0.3 ± 0.7 0.472 0.2 ± 0.2 0.4 ± 0.4 0.3 ± 0.7 0.435 Total oscillation velocity (cm/s) 0.05 ± 0.02 0.05 ± 0.02 0.06 ± 0.02 0.583 0.04 ± 0.01 0.03 ± 0.01 0.04 ± 0.01 0.682 0.03 ± 0.01 0.03 ± 0.01 0.03 ± 0.01 0.583 0.04 ± 0.02 0.04 ± 0.02 0.01 ± 0.02 0.589 AP oscillation velocity (cm/s) 0.03 ± 0.02 0.03 ± 0.02 0.03 ± 0.01 0.740 0.02 ± 0.01 0.02 ± 0.001 0.02 ± 0.001 0.754 0.02 ± 0.01 0.02 ± 0.01 0.02 ± 0.01 0.968 0.03 ± 0.01 0.03 ± 0.01 0.03 ± 0.01 0.959 ML oscillation velocity 0.04 ± 0.02 0.04 ± 0.02 0.04 ± 0.02 0.413 0.03 ± 0.01 0.02 ± 0.01 0.03 ± 0.01 0.464 0.02 ± 0.01 0.02 ± 0.01 0.02 ± 0.01 0.531 0.03 ± 0.02 0.03 ± 0.02 0.03 ± 0.02 0.470 EMG (%) Medial deltoid 53.0 ± 10.2 53.9 ± 7.5 51 ± 9.8 0.376 50.6 ± 12.2 50.5 ± 10.8 50.9 ± 10.7 0.412 49.7 ± 12.7 48.9 ± 10.8 50.1 ± 11.1 0.663 50.3 ± 11.9 49.5 ± 10.2 50.7 ± 10.2 0.630 Upper trapezius 38.9 ± 16.4 41.8 ± 14.5 39.5 ± 15.6 0.058 38.4 ± 16.4 41.7 ± 14.9 39.1 ± 15.6 0.060 38.6 ± 16.4 41.6 ± 15.2 36.6 ± 16 0.185 38.1 ± 15.9 41.2 ± 14.5 38.6 ± 15.3 0.054 Biceps brachii 31.6 ± 12.4 34.3 ± 11.3 32.9 ± 12.2 0.088 31.7 ± 12.8 34.3 ± 11.7 33.4 ± 12.9 0.197 32.6 ± 12.8 35.3 ± 11.9 34.1 ± 12.8 0.188 37.9 ± 12.6 34.4 ± 11.6 33.5 ± 12.7 0.129 Flexor digitorum 30.2 ± 22.7 28.7 ± 22.7 31.3 ± 22.6 0.666 30.3 ± 22.7 28.6 ± 22.6 31.4 ± 22.6 0.158 31.9 ± 21.6 30.8 ± 21.8 33.4 ± 21.2 0.071 30.4 ± 22.7 28.9 ± 22.6 31.5 ± 22.6 0.657 Extensor digitorum 28.3 ± 12.8 29.0 ± 12.9 28.3 ± 12.6 0.980 28.5 ± 12.3 29.2 ± 13.2 28.46 ± 12.9 0.657 29.9 ± 14.2 28.3 ± 12.8 28.2 ± 12.9 0.08 28.7 ± 13.1 29.1 ± 12.8 27.6 ± 12.6 0.911