伸肌 Traditional form: 伸肌 Pinyin (reading): shēnjī Definitions: extensor (anatomy) Characters: 伸 - to extend, to stretch out, to open up; to trust 肌 - flesh, skin; muscle, tissue; meat on bones Traditional characters: 伸 - to extend, to stretch out, to open up; to trust 肌 - flesh, skin; muscle, tissue; meat on bones