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Figure 2 | BMC Musculoskeletal Disorders

Figure 2

From: Adaptation to altered balance conditions in unilateral amputees due to atherosclerosis: a randomized controlled study

Figure 2

Representative stabilograms indicating AP (y) and ML (x) excursions of COP. A: COP excursion of a patient who had left lower leg amputation. The correlation coefficient is Rxy = 0.75 (p <0.001). The regression line tends from the (left) prosthesis heel towards the right (intact) sole and the angle of regression line is  a = 53°. B: COP excursion of a right leg amputee. The correlation coefficient is: Rxy = 0.72 (p <0.001) and the angle of regression line is    a = -48°. The regression line trends from the (right) prostheses heel towards the left intact sole. The quadrants of the coordinate system are marked with numbers: 1, 2, 3 and 4.

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