Fig. 3

Video Intensity (VI) of silk gel implants increased over 18 days. The VI recorded at the hind limb group at day 12, 16 and 18 has significantly increased compared to that at day 0 after surgery. * p < 0.05 versus day 0 of hind limb group. At the same time, the VI recorded the upper back group at day 12, 16 has significance compared to day 0. #p < 0.05 versus day 0 of upper back group