04/20/2025
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“Crossing the midline” is a foundational skill in occupational therapy that refers to the ability to reach across the middle of the body with the arms or legs crossing over to the opposite side. This skill is essential for many everyday tasks and is closely linked to bilateral coordination, brain development, and motor planning.
Why Is It Important?
Crossing the midline is crucial for:
• Writing across a page
• Reaching for objects on the opposite side
• Putting on socks or shoes
• Brushing hair
• Tying shoelaces
• Efficient reading and writing (visual tracking)
Difficulty with midline crossing can affect a child’s:
• Academic performance (especially writing and reading)
• Independence in self-care
• Motor coordination
• Cognitive development (because it reflects communication between the brain’s hemispheres)
Activities to Promote Crossing the Midline
Here are some OT-based activities to help develop this skill:
1. Figure 8 Drawing
Have the child draw large horizontal figure 8s (infinity symbols) on a whiteboard or chalkboard.
2. Ball Pass Across the Body
Pass a ball or object from one hand to the other across the body while seated or standing.
3. Windmill Exercises
Standing with feet apart, touch the left hand to the right foot and vice versa.
4. Simon Says with Cross-Body Movements
Include actions like touching the left knee with the right hand or reaching across to the opposite shoulder.
5. Lacing and Threading Activities
Set up materials so the child has to reach across the body to grab items.
6. Twister or Yoga Poses
Encourage whole-body movements that require reaching across the midline.
7. Obstacle Courses
Set up stations that require crossing midline movements — like picking up a bean bag on the left and placing it in a bucket on the right.
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Tips for Parents:
• Observe how a child moves during activities — are they avoiding crossing over?
• Encourage bilateral hand use — such as one hand stabilising while the other works.
• Make it fun and goal-directed — engaging in games helps with motivation
