Understanding Handwriting Difficulties in Children: It’s More Than Just “Strengthening hands”

Many parents and teachers report and notice that their children find handwriting challenging. It is easy to assume that a child who struggles with writing has “weak hands” or lack of practice. In reality, handwriting is a complex skill that develops over time and relies on the speed and fluidity of many different body systems working together. From an occupational therapy perspective, handwriting is not just a fine motor task. It is a whole-body activity which depends on posture, strength, coordination, sensory processing, and cognitive skills all working in harmony. This helps us to understand that strengthening hands (while often valuable), might not be enough to help a child who struggles to write.

 

1. Posture, Core Strength and “Proximal Stability”

Before a child can control a pencil, they need to feel that their bodies are a stable base which makes moving with control possible. This central aspects to this are core strength and postural control. Poor endurance, low muscle tone and weakness or fatigue often results in the act of sitting upright being too demanding to allow a child to exert enough effort on the act of writing. 

This may present as a child that slumps over the page, slides down in their chair or fidgets and wiggles while they are trying to write. It may also show up as a child that struggles to control their arm movements when writing – resulting in sloppy or messy handwriting or colouring. 

Occupational therapy describes this as “proximal stability for distal mobility”—meaning the closer parts of the body (trunk and shoulders) must be stable so that the hands and fingers can work effectively. 

2. Shoulder Girdle Stability (The Foundation for Hand Control)

The shoulders form the stable platform from which the arm and hand function. This is where the arm attaches to the body and if we look at an x-ray of a shoulder – we will see that a lot of what keeps the joint in its position – are muscles! 

The muscles of the shoulder provides the joint and arm with stability. When shoulder stability is reduced, children may:

  • Move their whole arm instead of using controlled finger movements 
  • Press too lightly or too heavily on the page 
  • Tire quickly during writing tasks 
  • Struggle with smooth, coordinated pencil movements 
  • Complain of a sore neck / shoulder or hand after writing or colouring for a prolonged time

Good shoulder stability allows the hand to perform fine, precise movements such as forming letters and controlling spacing. 

3. Arm, Wrist and Hand Coordination

Handwriting requires more than just finger strength. The entire arm works as a system, and often the muscles that move the part of the arm / hand sit at a different point than where you see the movement.

  • The shoulder stabilises movement of the whole arm
  • The wrist provides a steady base, but its muscles are in the forearm – near the muscles responsible to move the fingers.
  • The fingers perform refined movements 

If any of these components are underdeveloped, handwriting may appear slow, effortful, or inconsistent. This means that working on strength, endurance and coordination in the whole arm, may be necessary to help children write with more ease. 

4. Fine Motor Skills and Pencil Control

Fine motor skills refer to the small, precise movements of the hands and fingers needed for tasks such as holding a pencil, forming letters, and controlling pressure.

However, fine motor control develops in context with posture, shoulder stability, and visual-motor integration, as we explained in the above paragraph. When these foundations are in place, children find it easier to:

  • Hold a pencil comfortably 
  • Form letters consistently 
  • Maintain spacing and alignment 
  • Write without excessive fatigue 

5. Coordination and Visual-Motor Integration

Handwriting also requires the ability to coordinate what the eyes see with what the hands do. This is known as visual-motor integration.

Children with difficulties in this area may find it challenging to:

  • Copy from the board 
  • Keep letters on the line 
  • Space words evenly 
  • Maintain consistent letter size 

These skills develop gradually through play, drawing, and structured practice. 

A Reassuring Message for Parents

Handwriting is one of the most complex skills children learn and achieve at school. It draws on multiple systems including motor, sensory, perceptual, and cognitive abilities working together. 

If your child is experiencing difficulty, it does not mean they are not trying hard enough or that they are “behind.” It simply means that one or more of the underlying building blocks of handwriting may still be developing.

With the right support—through play-based activities, movement opportunities, and occupational therapy input—children can make meaningful progress in their writing skills over time.

 

When to Seek Support

It may be helpful to consult an occupational therapist if handwriting difficulties:

  • Affect school performance or confidence 
  • Cause significant fatigue or frustration 
  • Do not improve with classroom support and practice 

Early support can help identify which underlying skills need strengthening and provide targeted, practical strategies.

 

Extra :

Homemade Playdough Recipe 

Ingredients

  • 2 cups flour 
  • 1/2 cup salt 
  • 2 tablespoons cooking oil 
  • 2 tablespoons cream of tartar (optional but makes it softer and last longer)
  • 1½ cups boiling water 
  • Food colouring (optional)

This recipe uses common pantry ingredients and is considered non-toxic for children, though kids should still not eat large amounts because of the salt. 

Method

  1. Mix the flour, salt, and cream of tartar in a bowl. 
  2. Add the oil. 
  3. Slowly pour in the boiling water while stirring. 
  4. Add a few drops of food colouring if you want colours. 
  5. Mix until it forms dough. 
  6. Once cool enough, knead for 2–3 minutes until smooth. 

If it feels:

  • too sticky → add a little flour 
  • too dry → add a teaspoon of water or oil 

 

 

 

Budget Tips for Durban Families

  • You can skip cream of tartar to save money. The dough still works fine, just won’t last as long. 
  • Use cheap store-brand flour and salt – playdough is not food and won’t be eaten
  • Instead of food colouring, try: 
    • turmeric for yellow (but remember it will stain clothes)
    • cocoa powder for brown 
    • beetroot juice for pink (this will stain as well)

Child Safety Tips

  • Best for ages 2+ with supervision. 
  • Avoid glitter or strong essential oils for toddlers. 
  • Store in an airtight container or plastic tub in the fridge. 
  • Usually lasts 2–4 weeks. 

 

Extra Soft Toddler Version (Lower Salt)

If your child still puts things in their mouth a lot, try this lower-salt version:

  • 1 cup flour 
  • 1 tablespoon oil 
  • ½ tablespoon cream of tartar or 1 tablespoon vinegar 
  • ¾ cup warm water 
  • tiny pinch of salt or no salt at all 

This version is softer and safer for little toddlers.  

Published:
31st May 2026
©2017 Broughton & Jonck
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