We continue our rapid-fire question-based review of pediatric orthopedics with focusing on Brachial plexus injuries (Mainly Erb & Klumpke's palsy) with some high-yield review of over-all upper extremity innervation; We follow that with Nursemaid's elbow and Anterior shoulder dislocation; We then begin our discussion of spine disorders with cervical spine: Torticollis, Atlantoaxial instability, and Klippel-Feil syndrome; We follow the rest of spine disorders (including Kiphosis & scoliosis) as well as important Differential Diagnoses of Low-Back pain among children in the next episode.