Training in Exercise Activities and Motion for Growth

Inclusion Criteria: * Hospitalized infants with SV physiology * \>37 weeks gestation * \<30 days of age * Hemodynamically stable (as defined by the attending physician) after surgical or interventional palliation with closed sternum * Parent or guardian willing to comply with protocol and provide written informed consent Exclusion Criteria: * Intrauterine growth restriction * Chromosomal or recognizable phenotypic syndrome of non-cardiac congenital abnormalities associated with growth failure (for example Trisomy, Noonan or Turner syndromes) * Unstable hemodynamics as defined by the attending physician * Non-cardiac diagnosis associated with growth failure * Severe neurologic injury resulting from stroke or intracranial hemorrhage confirmed by head CT/ MRI or cranial ultrasound * Anticipated discharge within 14 days of screening