tummy time là gì

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An infant lying on his stomach.

Tummy time is a colloquialism for placing infants in the prone position while awake and supervised, to lớn encourage development of the neck and trunk muscles and prevent skull deformations.[1][2][3]

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In 1992, the American Academy of Pediatrics recommended babies sleep on their backs to lớn prevent Sudden Infant Death Syndrome (SIDS). Although the rate of SIDS decreased by 50% since the Safe to lớn Sleep chiến dịch started in 1994,[4] an unintended consequence was that babies missed out on the twelve or so sánh hours they used to lớn spend in the prone position while asleep, and there was a sharp increase in plagiocephaly (flat head syndrome) in infants.[2] Along with tummy time, rotating the direction infants lie in their cribs as well as avoiding too much time in siêu xe seats, carriers, and bouncers are behaviors recommended to lớn alleviate the associated risks of infants sleeping in a supine position.

Impact on development[edit]

Infants put to lớn sleep in the supine position have been found to lớn reach motor developmental milestones (e.g. crawling, rolling, and sitting) at a slower rate compared to lớn infants who sleep in the prone position.[5][6] When babies experience tummy time in their waking hours, they are provided with opportunities to lớn strengthen their neck[7] and trunk muscles.[5] Positioning the infant on their stomach while awake will not impact the amount of slow wave sleep[8][9][10][11][12] since tummy time only occurs when an infant is awake.

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Furthermore, tummy time provides infants with opportunities for cognitive and communicative development through interactive play with their supervisor.[13][14]

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Tummy time is recommended to lớn be practiced from birth, first in short sessions of three to lớn five minutes, two to lớn three times a day. As babies grow more receptive towards the sessions, they can be extended and performed more frequently.[1] The World Health Organisation advises that infants under one year of age who are not yet mobile should experience tummy time for at least 30 minutes per day across sessions.[15] Supervision by a parent or caregiver is important during tummy time so sánh that the infant's position can be monitored and to lớn encourage social interaction.[1] Babies who are unaccustomed to lớn frequent tummy time sessions may cry or show noncompliance when it is first introduced,[16] however enjoyment may be increased by providing stimulating objects during sessions, such as preferred toys and videos.[17]

Tummy time may also be used to lớn stabilize the neck in torticollis,[18] and to lớn address hypertonia associated with Down syndrome.[19]

Although sleeping in the supine position without sufficient tummy time may change the physical appearance of the head through plagiocephaly and consequently promote developmental delays,[5][6][13][14] regardless of these effects, it is essential that infants are placed to lớn sleep on their back due to lớn the risk of SIDS.

See also[edit]

  • Sudden infant death syndrome
  • Safe to lớn Sleep Campaign
  • Plagiocephaly
  • Torticollis


  1. ^ a b c "Babies Need Tummy Time!". Safe to lớn Sleep, US Department of Health and Human Services, National Institutes of Health. Retrieved April 30, 2020.{{cite web}}: CS1 maint: url-status (link)
  2. ^ a b
  3. ^ "Doctor Finds Success In Treating Infants With Flat-Head Syndrome". CBS Los Angeles. April 30, 2013. Retrieved November 11, 2013.
  4. ^ "Back to lớn Sleep Public Education Campaign". National Institute of Child Health and Human Development. March 23, 2010.
  5. ^ a b c Majnemer, Annette; Barr, Ronald G (2005). "Influence of supine sleep positioning on early motor milestone acquisition". Developmental Medicine & Child Neurology. 47 (6): 370–6, discussion 364. doi:10.1017/S0012162205000733. PMID 15934485.
  6. ^ a b Davis, B. E.; Moon, R. Y.; Sachs, H. C.; Ottolini, M. C. (1998). "Effects of Sleep Position on Infant Motor Development". Pediatrics. 102 (5): 1135–40. doi:10.1542/peds.102.5.1135. PMID 9794945. S2CID 18553504.
  7. ^ Geyer, Hilda. "How to lớn ensure your baby's neck muscles are strong". Parent. Retrieved 2021-03-19.
  8. ^ Myers, MM; Fifer, WP; Schaeffer, L; Sahni, R; Ohira-Kist, K; Stark, RI; Schulze, KF (1998). "Effects of sleeping position and time after feeding on the organization of sleep/wake states in prematurely born infants". Sleep. 21 (4): 343–9. PMID 9646378.
  9. ^ Sahni, Rakesh; Saluja, Deepak; Schulze, Karl F; Kashyap, Sudha; Ohira-Kist, Kiyoko; Fifer, William P; Myers, Michael M (2002). "Quality of Diet, Body Position, and Time after Feeding Influence Behavioral States in Low Birth Weight Infants". Pediatric Research. 52 (3): 399–404. doi:10.1203/00006450-200209000-00016. PMID 12193675.
  10. ^ Brackbill, Yvonne; Douthitt, Thomas C.; West, Helen (1973). "Psychophysiologic effects in the neonate of prone versus supine placement". The Journal of Pediatrics. 82 (1): 82–4. doi:10.1016/S0022-3476(73)80017-4. PMID 4681872.
  11. ^ Amemiya, Fumiaki; Vos, Johan E; Prechtl, Heinz FR (1991). "Effects of prone and supine position on heart rate, respiratory rate and motor activity in fullterm newborn infants". Brain and Development. 13 (3): 148–54. doi:10.1016/S0387-7604(12)80020-9. PMID 1928606. S2CID 4763777.
  12. ^ Kahn A, Rebuffat E, Sottiaux M, Dufour D, Cadranel S, Reiterer F (February 1991). "Arousals induced by proximal esophageal reflux in infants". Sleep. 14 (1): 39–42. PMID 1811318.
  13. ^ a b Dewey, C.; Fleming, Phường.; Golding, J.; The Alspac Study Team (1998). "Does the Supine Sleeping Position Have Any Adverse Effects on the Child? II. Development in the First 18 Months". Pediatrics. 101 (1): e5. doi:10.1542/peds.101.1.e5. PMID 9417169.
  14. ^ a b Martiniuk, Alexandra L. C.; Vujovich-Dunn, Cassandra; Park, Miles; Yu, William; Lucas, Barbara R. (2017-01-01). "Plagiocephaly and Developmental Delay". Journal of Developmental & Behavioral Pediatrics. 38 (1): 67–78. doi:10.1097/dbp.0000000000000376. ISSN 0196-206X. PMID 28009719. S2CID 39477708.
  15. ^ "To grow up healthy, children need to lớn sit less and play more". World Health Organisation. April 24, 2019.{{cite web}}: CS1 maint: url-status (link)
  16. ^ Graham, John M. (2006-03-01). "Tummy Time is Important". Clinical Pediatrics. 45 (2): 119–121. doi:10.1177/000992280604500202. ISSN 0009-9228. PMID 16528431. S2CID 45672124.
  17. ^ Kadey, Heather J Roane, Henry S (2012). EFFECTS OF ACCESS TO A STIMULATING OBJECT ON INFANT BEHAVIOR DURING TUMMY TIME. The Society for the Experimental Analysis of Behavior. OCLC 810682892.{{cite book}}: CS1 maint: multiple names: authors list (link)
  18. ^ Kaplan, Sandra L.; Coulter, Colleen; Sargent, Barbara (2018-10-01). "Physical Therapy Management of Congenital Muscular Torticollis: A 2018 Evidence-Based Clinical Practice Guideline From the APTA Academy of Pediatric Physical Therapy". Pediatric Physical Therapy. 30 (4): 240–290. doi:10.1097/PEP.0000000000000544. ISSN 1538-005X. PMC 8568067. PMID 30277962. S2CID 52909510.
  19. ^ Boutot, E. Amanda; DiGangi, Samuel A. (2018-02-23). "Effects of Activation of Preferred Stimulus on Tummy Time Behavior of an Infant with Down Syndrome and Associated Hypotonia". Behavior Analysis in Practice. 11 (2): 144–147. doi:10.1007/s40617-018-0212-5. ISSN 1998-1929. PMC 5959811. PMID 29868339.

Further reading[edit]

  • Graham, John M.; Kreutzman, Jeannie; Earl, Dawn; Halberg, Andy; Samayoa, Carlos; Guo, Xiuqing (2005). "Deformational brachycephaly in supine-sleeping infants". The Journal of Pediatrics. 146 (2): 253–7. doi:10.1016/j.jpeds.2004.10.017. PMID 15689919.
  • Kemp, James S. (2006). "Asymmetric heads and failure to lớn climb stairs". The Journal of Pediatrics. 149 (5): 594–5. doi:10.1016/j.jpeds.2006.06.043. PMID 17095324.
  • Elliott, Jane (1 July 2006). "Babies need 'tummy time' to lớn develop". Đài truyền hình BBC News. Retrieved 2007-06-21.
  • Gardner, H. Garry; Sarwark, John F. (2008). "Tummy Time Key to lớn Prevent Delays". Pediatric News. 42 (10): 24. doi:10.1016/S0031-398X(08)70506-X.