1. Hip adduction is a strengthening exercise for the piriformis muscle. 2. Arytenoid adduction is a surgical procedure used to treat vocal cord paralysis. 3. Arytenoid adduction is often performed in conjunction with medialization thyroplasty. 4. Force is generated by both legs'hip adduction . 5. Adduction of the wrist is also called " ulnar deviation ".6. He was a referee at the Private Adduction Center from 1993 to 1997. 7. Arytenoid adduction is often performed at the same time as a medialization thyroplasty. 8. Arytenoid adduction is more effective than medialization thyroplasty for closing a posterior gap. 9. Thus arytenoid adduction can correct the vertical position of an elevated vocal cord. 10. Arytenoid adduction produces improvements in all of these parameters.