Transfer of great toe to thumb. Scheme suggested by May for reconstruction of available tendon attachments. AbH, Abductor hallucis; AbPB, abductor pollicis brevis; ADD, adductor hallucis; EHB, extensor hallucis brevis; EHL, extensor hallucis longus; EPB, extensor pollicis brevis; EPL, extensor pollicis longus; FHL, flexor hallucis longus; FPL, flexor pollicis longus. SEE TECHNIQUE 63.28.