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. 2009 Jul 7;8:6. doi: 10.1186/1472-6955-8-6

Figure 5.

Figure 5

Mean and standard error of compression force when averaged at 15 second intervals. a = 15 & 30 sec were different from 45 sec thru 10 min. b = 45 sec was different from 1.5 min thru 10 min. c = 1 min was different from 1 min 45 sec thru 10 min. d = 1 min 15 sec was different from 2 min 30 sec thru 10 min. e = 1 min 30 sec was different from 3 min thru 10 min. f = 1 min 45 sec was different from 3 min 15 sec thru 10 min. g = 2 min was different from 3 min 15 sec thru 10 min. h = 2 min 15 sec was different from 3 min 30 sec thru 10 min. i = 2 min 30 sec and 2 min 45 sec were different from 5 thru 10 min. j = 3 min was different from 5 min 30 sec thru 10 min.