Basic Study
Copyright ©The Author(s) 2017.
World J Orthop. Feb 18, 2017; 8(2): 142-148
Published online Feb 18, 2017. doi: 10.5312/wjo.v8.i2.142
Figure 1
Figure 1 12-lead EMG trunk-setup. Single muscles: RAri/le: M. rec. abd. right/left; EOri/le: M. obl. ext. abd. right/left; IOri/le: M. obl. int. abd. right/left; LDri/le: M. latis. dorsi right/left; UESri/le: M. erec. spinae thoracic (T9) right/left; LESri/le: M. erec. spinae lumbar (L3) right/left.
Figure 2
Figure 2 Neuromuscular activity (EMG-RMS; %) of trunk areas for healthy controls (H; Hmatched) and back pain patients for the lifting tasks with 1, 10 and 20 kg (VR/VL: RA, EO, IOri/le; DR/DL: LD, UES, LESri/le). BPP: Back pain patients; VR/VL: Right/left ventral area; DR/DL: Right/left dorsal area.
Figure 3
Figure 3 Polarplot of neuromuscular activity (EMG-RMS; %) of the 12 trunk muscles in healthy controls (H/Hmatched) and back pain patients for lifting of middle load (10 kg).