Abstract:
BACKGROUND AND PURPOSE:This study had 2 purposes: (1) to compare the emergence of reaching in infants born full-term and infants born at less than 33 weeks of gestational age and (2) to evaluate the effectiveness of a movement training program on the emergence of reaching in this preterm population. PARTICIPANTS:Twenty-six infants born at less than 33 weeks of gestational age and with a birth weight less than 2,500 g were randomly assigned to receive 20 minutes of daily movement training (PT-M group) or daily social training (PT-S group) and were compared with 13 infants born full-term (FT-S group). METHODS:Reaching and hand-object interactions were tested every other week for 8 weeks. At each visit, infants were allowed six 30-second opportunities to contact a midline toy. RESULTS:The FT-S and PT-M groups reached earlier and more consistently than the PT-S group. Specifically, the subjects in the FT-S group contacted the toy for longer durations and with an open, ventral surface of their hand. The PT-M group demonstrated increases in the number of hand-object contacts, the number of consistent reaches, and the percentage of time interacting with the toy and the surface of hand-object contact. DISCUSSION AND CONCLUSION:This project demonstrates that there are early gross motor skill differences in infants born at less than 33 weeks of gestational age. A caregiver-based daily training program, however, is effective at lessening some, but not all, of these differences over the short term.
journal_name
Phys Therjournal_title
Physical therapyauthors
Heathcock JC,Lobo M,Galloway JCdoi
10.2522/ptj.20070145subject
Has Abstractpub_date
2008-03-01 00:00:00pages
310-22issue
3eissn
0031-9023issn
1538-6724pii
ptj.20070145journal_volume
88pub_type
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