Effects of different loads of training on stroma of Achilles tendons in Guinea pigs / 中华创伤杂志

ABSTRACT

Objective To investigate the changes of collagen and proteoglycan of Guinea pig’s Achilles tendon suffering from different loads of training. Methods Achilles’ tendons of Guinea pigs were harvested after training, stained by picrosirius and toluidine blue respectively. Collagen Ⅰ, Ⅲ and proteoglycan were observed by polarization microscopy and atomic force microscopy (AFM) and analyzed semiquantitatively. Results After enforced training, the relative content of collagen Ⅲ was(16.71?1.37)% in Group A and (13.43?3.16)% in Group B, that were significantly increased compared with (9.57?1.90)% in control group (P