Effects of Parent-Delivered Traditional Thai Massage on Gait and Heart Rate Variability in Children with Autism: A Randomized Controlled Trial.

The short version

This randomized trial with 45 children explored whether a traditional Thai massage technique, taught to parents and delivered at home, could help regulate the nervous system and improve walking in kids with autism spectrum disorder (ASD). Many children with ASD have an autonomic nervous system — the part of the body that controls automatic functions like heart rate — that runs a bit "on edge," and some also have subtle walking differences linked to how their brain plans movement. Forty-eight children ages 7-12 at a school in China were randomly assigned to either 8 weeks of Traditional Thai Massage, given by their own parents twice a week for 50 minutes after the parents were personally trained and certified, or to their normal school routine. Researchers used a fingertip sensor to measure heart rate variability (a sign of nervous system balance) and a wearable motion sensor to analyze each child's walking pattern, checking in right after the 8 weeks and again two months later. Children who received the massage showed clear signs of a calmer, better-balanced nervous system compared to the control group — measurements linked to the body's natural "rest and relax" response improved significantly, and this held up even two months after the massage program ended. Their walking also changed in one specific way: their stride length (how far each step covers) got noticeably longer, an improvement that also lasted through the two-month check-in. Other walking measures, like speed and step timing, didn't change significantly. These results suggest that a relatively simple, parent-led massage technique — no expensive equipment or professional therapist required — may help calm the nervous system and improve certain aspects of walking in children with autism, with some benefits lasting months later. Because there was no "pretend massage" comparison group, it's hard to know how much of the effect came from the specific Thai massage technique versus simply the comforting touch and extra parent attention involved. The study also included very few girls, reflecting how autism is diagnosed more often in boys, so it's unclear if the results apply equally to girls. Larger and longer studies would help confirm these promising early findings.

Key findings

• In a randomized trial, 8 weeks of Traditional Thai Massage delivered by trained parents improved measures of nervous-system balance (heart rate variability) in children with autism, with benefits lasting through a 2-month follow-up.
• Children who received the massage also took significantly longer steps while walking than children in the control group, both right after treatment and two months later.
• Other walking measures, like speed and step timing, did not show significant differences between groups.
• Parents were trained and certified by massage experts before delivering the treatment at home, making this a low-cost, family-centered intervention.
• The study did not include a comparison "pretend massage" group, so it's unclear how much of the benefit came from the specific Thai massage technique versus general touch and parent attention.

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