Treatment for tendon pain. In a British Journal of Sports Medicine (Feb. 1, 2004) study of chronic Achilles tendon pain, each in a sample of 25 patients with chronic Achilles tendinosis was treated with heavy-load eccentric calf muscle training. Tendon thickness (in millimeters) was measured both before and following the treatment of each patient. The experimental data are reproduced in the next table and saved in the TENDON file. Use a nonparametric test to determine whether the treatment for tendonitis tends to reduce the thickness of tendons. Test using α = .10.
Patient | Before Thickness (millimeters) | After Thickness (millimeters) |
1 2 3 4 5 6 7 8 9 10 11 | 11.0 4.0 6.3 12.0 18.2 9.2 7.5 7.1 7.2 6.7 14.2 | 11.5 6.4 6.1 10.0 14.7 7.3 6.1 6.4 5.7 6.5 13.2 |
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