Relationship between fidgety movement and frequency of movement toward midline: An observational study

Sermpon, Nisasri; Gima, Hirotaka

doi:10.1016/j.earlhumdev.2023.105718

Cited by 1 publication

(2 citation statements)

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“…We aimed to assess the frequency of these occurrences and understand the patterns exhibited with rate per min. The MTM occurrence rate per min was calculated and divided into three groups: total MTM occurrence rate per min, lower-limb MTM occurrence rate per min (FF, FL, and pedipulation), and upper-limb MTM occurrence rate per min (HH, HF, HM, HT, HL, manipulation, and fiddling) [ 15 ].…”

Section: Methodsmentioning

confidence: 99%

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Correlation between pose estimation features regarding movements towards the midline in early infancy

Sermpon,

Gima

2024

PLoS ONE

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In infants, spontaneous movement towards the midline (MTM) indicates the initiation of anti-gravity ability development. Markerless 2D pose estimation is a cost-effective, time-efficient, and quantifiable alternative to movement assessment. We aimed to establish correlations between pose estimation features and MTM in early-age infants. Ninety-four infant videos were analysed to calculate the percentage and rate of MTM occurrence. 2D Pose estimation processed the videos and determined the distances and areas using wrist and ankle landmark coordinates. We collected data using video recordings from 20 infants aged 8–16 weeks post-term age. Correlations between MTM observations and distance values were evaluated. Differences in areas between groups of videos showing MTM and no MTM in the total, lower-limb, and upper-limb categories were examined. MTM observations revealed common occurrences of hand-to-trunk and foot-to-foot movements. Weak correlations were noted between limb distances to the midbody imaginary line and MTM occurrence values. Lower MTM showed significant differences in the lower part (p = 0.003) and whole area (p = 0.001). Video recording by parents or guardians could extract features using 2D pose estimation, assisting in the early identification of MTM in infants. Further research is required to assess a larger sample size with the diversity of MTM motor behaviour, and later developmental skills, and collect data from at-risk infants.

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Section: Methodsmentioning

confidence: 99%

“…The frequency of MTM occurrences may be associated with sensory-motor exposure. A lower frequency may signify diminished motor-sensory input, while a higher frequency could imply limited movement patterns due to increased repetition and monotony [ 15 ].…”

Section: Introductionmentioning

confidence: 99%