Effect of training and sudden detraining on the patellar tendon and its enthesis in rats

Table 2 Histomorphometric scores of PT in Untrained, Trained and Detrained rats

Group	Score	Tendon thickness (μm)
	Mean ± SD	Mean ± SD
Untrained		538 ± 155
PT insertion site	1
PT methacromasia	0.5 ± 1.03
PT fiber organization/alignement	1.75 ± 1.18
TOTAL	3.10 ± 0.53*
Trained		807 ± 138 ^a
PT insertion site	1
PT methacromasia	1.25 ± 0.68 ^{a, b}
PT fiber organization/alignement	2.87 ± 0.44 ^{a, c}
TOTAL	4.86 ± 0.53**
Detrained		612 ± 170
PT insertion site	1
PT methacromasia	0.4 ± 0.51
PT fiber organization/alignement	0.9 ± 1.19
TOTAL	2.33 ± 0.36

* p < 0.05 (untrained vs detrained); ** p < 0.0005 (trained vs detrained; trained vs untrained).
^a p < 0.05 (trained vs untrained);^b p < 0.05 (trained vs detrained); ^c p < 0.0001 (trained vs detrained)

ISSN: 1471-2474