All the following are Causes of hypotonia in a 2 year old child except
Trisomy 21
Spinal muscular atrophy
Congenital muscular dystrophy
Cerebral Palsy
All the above causes presents exclusively with hypotonia (either central or peripheral), except cerebral palsy (CP). Cerebral palsy commonly presents with hypeonia, though hypotonic CP is a known entity; its occurrence is uncommon than hypeonic CP.
JIPMER 2019