“…1 This model has since been extensively used in various strain combinations to test the efficacy of new immunosuppressive drugs. 3,4 In 1970, Tamai et al 5 developed a technique for free rectus femoris muscle transplant in the dog. Thereafter, numerous models of free muscle transfer in the rat have been described, including the use of the latissimus dorsi and serratus anterior, 6 pectoralis major, 7 gracilis, 8 gastrocnemius, 9 and rectus abdominis.…”