Phillip William Berg alias The Infant Nervous-System Whisperer

Phillip William Berg is not licensed or approved by Minnesota Board of Chiropractic Examiners to advertise Early evaluation is suggested for infants with side preference, tummy-time difficulty, stiffness, discomfort, or movement asymmetry. as within their scope of practice.

Early evaluation is suggested for infants with side preference, tummy-time difficulty, stiffness, discomfort, or movement asymmetry.

Supports

The influencer’s claim is broadly supported by pediatric and rehabilitation guidelines and observational studies that emphasize early detection and referral when infants show side preference, neck or trunk asymmetry, difficulty with tummy time, or abnormal tone and movement patterns. ^[2][6] Clinical practice guidelines for congenital muscular torticollis state that newborns should be assessed within the first 2–3 days of life for neck and cranial asymmetry and that infants identified with postural preference, reduced cervical range of motion, sternocleidomastoid masses, or craniofacial asymmetry should be referred to a primary care provider and pediatric physical therapist as soon as asymmetry is noted, which aligns directly with early evaluation for side preference and movement asymmetry. ^[8][9][12] Early-identification pathways for motor delays from pediatric bodies specify that motor symmetry is expected and that persistent asymmetry or delay in gross motor skills should trigger further evaluation, supporting early assessment when stiffness, discomfort, or asymmetric movement is observed. Research on positional preference, torticollis, and deformational plagiocephaly recommends identifying infants with positional preference early and considering referral to pediatric physical therapy in the first weeks of life to prevent more severe deformity, and these programs explicitly incorporate early and frequent prone positioning (tummy time) as part of assessment and management, supporting concern when an infant has significant tummy-time difficulty. ^[3][10] Longitudinal data and emerging RCT protocols on tummy time indicate that prone positioning is associated with better gross motor development and head control, so resistance or marked intolerance to prone position has been proposed as a marker of possible motor delay, again supporting early evaluation in infants who struggle significantly with tummy time. ^[11] Clinical guidelines for assessment of neonatal tone and movement note that infants should have symmetric, smooth, and spontaneous movements in all limbs and that persistent asymmetry, abnormal stiffness, or hypotonia warrants further diagnostic evaluation, which supports early workup when parents or clinicians notice movement asymmetry or stiffness.

Contradicts

There is little high-quality evidence directly testing whether early evaluation specifically for mild side preference, tummy-time dislike, or subtle asymmetry in otherwise typical infants improves long-term outcomes, so the strength of the evidence behind universally recommending formal medical or therapy evaluation for every such case is limited. ^[2][3][9] Observational studies differentiate idiopathic positional preference and asymmetry (which often has a benign course) from symptomatic conditions such as torticollis or underlying neurologic disease, and many infants with mild preference or transient tummy-time resistance may not require specialist evaluation if they are otherwise developing normally and respond to simple positioning advice; this weakens a blanket implication that any side preference or tummy-time difficulty always mandates formal early evaluation. ^[10][11][12] There are no major randomized controlled trials or meta-analyses demonstrating that early evaluation for these signs alone, in the absence of objective restriction of movement, motor delay, or cranial deformity, reduces specific adverse outcomes such as developmental delay or need for later intensive therapy, so the evidence base is more inferential than directly causal. Some guidelines focus on early caregiver education and routine surveillance rather than automatic referral, implying that monitoring and promoting tummy time and varied positioning may be sufficient in many infants without overt torticollis, significant asymmetry, or delayed milestones, which contradicts a very strong interpretation of the claim that all such infants must be formally evaluated immediately. ^[8]

Mainstream view

The mainstream pediatric and rehabilitation position is that infants should be routinely screened for musculoskeletal and neurologic abnormalities, including head and neck positional preference, craniofacial asymmetry, abnormal tone, and gross motor symmetry, and that early evaluation is appropriate when these findings are persistent, pronounced, or associated with other concerns such as motor delay, cranial deformity, or feeding problems. ^[6][9][12] Current clinical practice guidelines for congenital muscular torticollis and positional plagiocephaly endorse early identification and referral to pediatric physical therapy or appropriate medical specialists when there is a clear side preference, restricted cervical range of motion, head tilt, craniofacial asymmetry, or intolerance to prone positioning that limits motor development, and they encourage early tummy time and positional management as both preventive and therapeutic measures. ^{[3][8][10][11]} Standard developmental surveillance recommendations emphasize that infants should show relatively symmetric movement and progressively improving head control and tolerance of prone positioning; if a clinician or caregiver observes persistent side preference, stiffness, discomfort with handling or tummy time, or asymmetric limb or trunk movement, the mainstream approach is to perform a focused history and physical examination and either initiate early intervention (such as physical therapy) or refer for further neurologic or orthopedic evaluation depending on severity. However, the mainstream view also recognizes that mild positional preferences and brief tummy-time resistance are common and often benign, so providers typically combine parental education, positional strategies, and short-interval follow-up rather than automatically labeling

In their own wordsWatch sourceArchived copy

“If you’ve noticed your baby: • preferring one side • struggling during tummy time • seeming stiff or uncomfortable • or having movement asymmetries …it may be worth having things evaluated early.”

Rule: Minnesota Chiropractic Practice Act (scope limited to musculoskeletal/spine care)