1. A. Malone, PhD, Gait Laboratory, Central Remedial Clinic, Vernon Avenue, Clontarf, Dublin 3, Ireland.
2. D. Kiernan, BE, MSc, Gait Laboratory, Central Remedial Clinic.
3. H. French, BPhysio, MSc, PhD, School of Physiotherapy, Royal College of Surgeons in Ireland, Dublin, Ireland.
4. V. Saunders, BSc, School of Physiotherapy, Royal College of Surgeons in Ireland.
5. T. O'Brien, MCh, Gait Laboratory, Central Remedial Clinic.