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. Author manuscript; available in PMC: 2013 Jun 1.
Published in final edited form as: Gait Posture. 2012 Apr 3;36(2):254–259. doi: 10.1016/j.gaitpost.2012.03.002

Figure 4. The effect of age, visual condition and stroke on posturo-respiratory synchronization.

Figure 4

The strength of posturo-respiratory synchronization during eyes-open and eyes-closed standing has been presented for each subject. The strength of synchronization increased as a function of age for (A) healthy older adults and (B) chronic stroke patients in both visual conditions (p < 0.01). This relationship was similar between groups and visual condition. With all subjects combined, the strength of posturo-respiratory synchronization was not different between groups during standing with eyes open (C). Closing the eyes increased the strength of synchronization in both groups, and this increase was significantly greater in subjects with chronic stroke as compared to controls. * indicates a significant interaction between the effects of group and visual condition (p = 0.01).