Congenital limb deficiency

1. When does limb development occur in utero?
2. What is the preferred classification system for limb deficiency?
3. What are five syndromes associated with limb deficiency?
*4. What is the most common congenital limb deficiency?
*5. When should the initial upper extremity prosthetic first be fitted? When should a terminal device first be fitted?

Answers:
1. First trimester, day 26 of gestation till 8 weeks.
2. ISPO, which divides deformities into transverse and longitudinal.
3. TAR syndrome, Fanconi's syndrome, Holt-Oram Syndrome, Baller-Gerold Syndrome, VACTERL.
4. Left terminal transradial.
5. First fitting when child achieves sitting balance at 6-7 months. TD provided at 11-13 months, when child begins to walk and performs simple grasp.