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Abstract
Maiti, S.K., Kumar, N., Singh, G.R., Pawde, A.M., Hoque, M. and Singh, R. 2004, Effect of ultrasound therapy on muscular injury in rabbits. J. Appl. Anim. Res., 26: 67–72.
The effect of ultrasound therapy on the healing of muscular injury was studied in 12 adult New Zealand white rabbits divided equally into two groups. A longitudinal incision of 8–10 cm long was made in the middle of biceps femoris muscle under Ketamine-Xylazine anesthesia. The muscle was bluntly separated until the underlying femur was visible. The incised muscle and skin were sutured and treated by standard procedure. Ultrasound therapy at the rate of 0.5 w/cm2 was given daily for 5 min starting 48 h after injury for 7 days in group A. The inflammatory swelling, lameness, pain, respiration and rectal temperature rose significantly for the first 3 consecutive days in both the groups. Resolution of inflammatory swelling, pain and weight bearing was earlier in group A followed by group B. There was complete bridging of incised wounds with persistent and moderate fibroblastic and angioblastic activity in test group. The degree of regeneration of muscle fibers was quicker in therapy group than control. Special staining of muscle biopsy samples further confirmed the clinical, ultrasonographical and histiopathological findings that ultrasound therapy helped healing.