Over the past several years, many parents and teachers have noticed the same pattern.
Kids seem less steady in their bodies than they used to be. They slump in chairs. They lean on desks. They fidget constantly. Some even fall while sitting still. This shows up most often in preschool and elementary-aged children, but we see it in younger teens as well.
This isn’t bad behaviour. And it isn’t a discipline problem. It’s usually a movement problem.
Most children today aren’t lacking effort or intelligence. What many are missing is enough of the kind of movement their bodies need to develop balance, posture, and body awareness properly.
The systems kids rely on to stay upright
Two sensory systems do most of the behind-the-scenes work when a child sits, stands, or moves through space.
Proprioception is the body’s internal sense of position and movement. It allows a child to know where their body is without looking and how much force they are using. This supports posture, coordination, and controlled movement.
The vestibular system, located in the inner ear, plays a central role in balance and orientation. It helps children stay upright, stabilise vision during movement, and adjust posture when changing direction or position.
These systems don’t develop by being told to sit still. They develop through movement. Climbing. Rolling. Spinning. Crawling. Losing balance and finding it again.
Why this matters more now than it used to
Neuroscience and rehabilitation research shows that vestibular and proprioceptive input are fundamental to posture control and coordinated movement. When children receive less of this input, balance and stability are affected.
Public health guidelines reflect this reality. In Canada, children ages 5 to 17 are recommended to get at least 60 minutes of moderate-to-vigorous physical activity per day, while limiting prolonged sitting and recreational screen time.
Many children simply aren’t getting this kind of movement consistently, especially movement that challenges balance and body awareness.
What clinicians have been saying for years
This isn’t just coming from research papers.
Pediatric occupational therapists have been describing this shift for a long time. In her book Balanced and Barefoot, Angela Hanscom explains that children develop balance, posture, and body awareness through full-body movement such as climbing, rolling, spinning, and navigating uneven terrain.
Drawing on decades of clinical experience, she describes seeing more children struggle with basic stability, coordination, and the ability to sit comfortably, not because of behavioural issues, but because their bodies haven’t had enough movement experience.
Her work resonates because it aligns closely with what many parents and educators are seeing in real classrooms and homes.
What it looks like when movement is missing
When balance and body awareness are underdeveloped, children often:
- tire quickly when sitting upright
- appear clumsy or uncoordinated
- shift constantly to stay comfortable
- fall more easily during everyday activities
Balance does not automatically improve with age alone. Research shows it improves through practice and challenge.
Where martial arts fits in
Well-taught martial arts classes address many of these gaps quietly and effectively.
Stances, stepping patterns, turns, weight shifts, and controlled kicks all challenge balance in a structured way. A controlled study found that preschool children who participated in Chinese martial arts (similar to Japanese Karate training) showed meaningful improvements in balance and motor skills compared to children in unstructured free play.
Striking pads, holding positions, and working with partners provide strong proprioceptive input. Children learn how to regulate force and control their bodies without overthinking it. Research on martial arts such as judo shows sensorimotor adaptations that support balance and body awareness.
Posture improves not because children are told to “sit up straight,” but because their bodies are better supported. Movement builds strength, coordination, and endurance in ways that make upright posture easier.
There is also a regulation component. Activities that combine balance, coordination, and focus have been shown to support motor control and self-regulation.
Many parents notice their children become calmer and more settled, not more hyper, when they get this kind of movement consistently.
Why this applies at every age
Preschool years are a critical window for developing balance and body awareness. What is built here supports confidence later on.
Elementary-aged children face longer sitting demands and more complex coordination challenges. Strong movement foundations make school feel easier.
Younger teens can still benefit, especially if early movement opportunities were limited. The body remains adaptable.
The Takeaways From All This
Children aren’t broken.
Childhood has simply changed.
When kids get consistent, purposeful movement, balance improves. Posture improves. Confidence improves. Often without anyone trying to “fix” behaviour.
If your child already trains with us, this is likely one of the quieter benefits you’re already seeing.
If you’re new, the simplest way to understand the difference structured movement can make is to experience it.
Our Quick Start Package offers a supportive way for children to build balance, coordination, confidence, and focus, one class at a time.
No pressure. Just good movement, done well.
Written by Scott Campsall, head instructor at Okami Kai Martial Arts & Fitness in Uxbridge, Ontario. Reflections drawn from years of teaching children and teens, supported by current research on movement and development.