International Journal of Aerospace Engineering / 2018 / Article / Fig 7

Research Article

Long-Term Microgravity Effects on Isometric Handgrip and Precision Pinch Force with Visual and Proprioceptive Feedback

Figure 7

HGD power spectral density (PSD). (a) HGD-PSD for 0–20 Hz frequency window. (b) Test session 64. HGD-PSD 4–20 Hz frequency window. (c) Test session 109. HGD power spectral density (PSD) 4–20 Hz frequency window. Data acquired at 25% MVC.