Positional plagiocephaly is associated with sternocleidomastoid muscle activation in healthy term infants

2017 ◽  
Vol 33 (4) ◽  
pp. 617-624 ◽  
Author(s):  
Amy Leung ◽  
Allison Mandrusiak ◽  
Pauline Watter ◽  
John Gavranich ◽  
Leanne Johnston
2018 ◽  
Vol 30 (3) ◽  
pp. 454-456
Author(s):  
Jong-Hoon Moon ◽  
Jin-Hwa Jung ◽  
Suk-Chan Hahm ◽  
Kyoung-Sim Jung ◽  
Hye Rim Suh ◽  
...  

2021 ◽  
Vol 14 (1) ◽  
pp. e239236
Author(s):  
Lee K Rousslang ◽  
Elizabeth A Rooks ◽  
Adam C Smith ◽  
Jonathan R Wood

Fibromatosis colli, also known as ‘sternocleidomastoid tumour of infancy’ or ‘pseudotumour of infancy’, is a rare condition involving fibrosis and swelling, or ‘tumour’ of the sternocleidomastoid muscle in newborns that typically occurs after a traumatic delivery. Although usually self-limited, fibromatosis colli can lead to congenital muscular torticollis and positional plagiocephaly due to uneven forces on the neonatal skull. Ultrasound is the diagnostic imaging modality of choice and can prevent additional imaging and unnecessary intervention.


2020 ◽  
Vol 33 ◽  
Author(s):  
Samile dos Santos Barros ◽  
Renata Santiago Reges ◽  
Kaísa Trovão Diniz ◽  
Rafael Moura Miranda ◽  
José Eulálio Cabral Filho

Abstract Introduction: The electric activity of muscles can be assessed using electromyography to determine their function and help identify possible delays in motor development. Objective: Determine the amplitude of the electromyographic activity of the head and trunk flexor and extensor muscles of term and preterm newborns. Method: This is a longitudinal pilot study where 20 preterm and 20 term newborns admitted to the Prof. Fernando Figueira Institute of Comprehensive Medicine were assessed. All the newborns were evaluated between 24 and 72 hours after delivery, with the premature children assessed a second time when term equivalent age was reached at 40 weeks. Data were recorded using a surface electromyograph and the electrodes were attached to the muscle bellies of the sternocleidomastoid, upper portion of the trapezius, rectus abdominis and erector spinae muscles. Results: Comparison of the electromyographic activity between the preterm newborns showed significantly higher values in all the muscles when the group reached term equivalent age. Additionally, the electromyographic activity of the term group was greater than that obtained by the preterm newborns. Conclusion: With advancing age and maturation of the physiological systems, including the muscle system, preterm newborns tend to exhibit a similar muscle activation behavior to that of the term infants, resulting in better motor development.


2018 ◽  
Vol 177 (10) ◽  
pp. 1547-1554 ◽  
Author(s):  
Elisa Ballardini ◽  
M. Sisti ◽  
N. Basaglia ◽  
M. Benedetto ◽  
A. Baldan ◽  
...  

2007 ◽  
Vol 16 (4-5) ◽  
pp. 187-191 ◽  
Author(s):  
Brandon Isaacson ◽  
Emily Murphy ◽  
Helen Cohen

The objective of this study was to assess the effects of different methods of sternocleidomastoid muscle (SCM) activation on vestibular evoked myogenic potentials (VEMP). Forty normal volunteers were tested using three different methods of SCM activation: sitting with the head turned away from the test ear (SIT), supine with the head held straight up (SHU), and supine with the head held up and turned away from the test ear (SHT). Dependent measures were latency, and amplitude. Head and body position significantly affected the amplitude of the VEMP, but had no significant effect on latency. Testing subjects in the supine position with the head up and turned toward the non-test ear yielded the most robust amplitude response and sternocleidomastoid EMG activity. When amplitude measures where corrected according to tonic electromyographic (EMG) activity no significant difference was noted between the three different test positions. The increased amplitude in the supine with head turned position can be directly attributed to increased tonic SCM EMG activity.


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