Table 2. Correlation coefficients and phasic differences between the left and right crutch angles of each subject.

Subject	CC	Phasic difference
1	0.85	1%
2	0.95	0%
3	0.95	0%
4	0.90	6%
5	0.91	1%
6	0.93	0%
7	0.93	0%
8	0.98	0%
9	0.95	0%
10	0.89	0%
11	0.90	1%
12	0.87	0%

CC: correlation coefficient. Phasic difference as a percentage of the whole crutch-walking cycle.