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Table 14 COP RMS along AP direction in the elderly

From: Effect of local somatosensory stimulus on postural sway during sit-to-stand movement in the elderly

STS phase None stimulation 180 Hz 190 Hz 250 Hz
PP 0.232 0.244 0.236 0.241
±0.025 ±.024 ±0.024 ±0.023
RP 0.144 0.147 0.141 0.144
±0.015 ±0.022 ±0.022 ±0.031
SP 0.087 0.088 0.090 0.0843
±0.014 ±0.032 ±0.040 ±0.037
TP 0.839 0.831 0.844 0.866
±0.105 ±0.096 ±0.093 ±0.095
  1. *: p < 0.05. None stimulation versus stimulation, mean ± standard deviation (cm)