- Floppy infants have globally decreased muscle tone, but can be either ‘weak’ or ‘strong’ corresponding to lower or upper motor neuron lesions respectively.
Weak and floppy infant
- Werdnig-Hoffman spinomuscular atrophy
- Congenital myotonic dystrophy
- congenital myopathies
- neonatal myaesthenia
Strong and floppy infant
- hypotonic cerebral palsy
- Down syndrome
- neonatal/ infantile CNS lesion (trauma, tumor)
References and Links
Journal Articles and Textbooks
- Talley NJ, Oâ€™Connor S. Clinical Examination: A Systematic Guide to Physical Diagnosis. MacLennan and Petty. 3rd edition, 1998.