Fig. 5

 A Immunohistochemical images of tendinous protein staining in tendon samples from the different groups in the 4th week and 8th week after treatment. B (a–f) Quantitative analysis of IHC staining. (a, b) SCX expression. (c, d) TNMD expression. (e, f) TNC expression. (n = 3 *p < 0.05, **p < 0.01, ***p < 0.001). (g-h) Evaluation of the tension of tendons in the different groups (n = 3 *p < 0.05, **p < 0.01, ***p < 0.001). C Microstructure of tendon collagen fibres under a transmission electron microscope