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Crossing the Midline Activities: 12 Ideas and What It Means

Chaz Bagri, Founder2 October 20268 min read

A child arches into a wheel pose on a green Sun Salutation kids' yoga mat with the engraved poses showing

12 crossing the midline activities from NHS therapy sheets, most needing nothing you'd buy, plus what midline means and the honest answer on age.

Crossing the midline means reaching a hand or foot across an imaginary line down the middle of the body to work on the other side, like touching your left knee with your right hand. Good crossing the midline activities are simple games: cross crawls, big figures of eight on a wall, one-handed balloon tennis and a crossed-over Simon Says. All 12 below come from NHS children's therapy advice sheets.

Perhaps nursery mentioned it, or you've seen your child swap a crayon to the other hand halfway across a page. This guide is for parents of children aged 3 to 8.

What is crossing the midline?

Crossing the midline is a child's ability to move a hand or foot over the centre line of their body and use it on the other side, without swapping hands or turning their whole body. NHS Wales describes it as the ability to "spontaneously move their arms or feet over the midline, rather than each hand working on its own side of the body".

Buckinghamshire Healthcare NHS Trust gives everyday examples: sitting cross-legged, scratching an elbow, and writing from left to right.

Why does crossing the midline matter?

Crossing the midline matters because so many everyday jobs depend on it. Alder Hey Children's NHS Foundation Trust says it's needed for reading, writing, getting dressed and many sports, and names tying shoelaces, using a knife and fork together, drawing and cutting as tasks that get harder without it.

It's also tied up with handedness. NHS Wales says it's important for developing hand dominance. Alder Hey says a child who finds it hard may switch hands during an activity, and that avoiding the midline gets in the way of one hand becoming the dominant one. It sits alongside the whole-body skills in our guide to gross motor skills and milestones by age.

When should kids cross the midline?

There's no official UK age by which a child should cross the midline, and none of the NHS advice sheets in this guide gives one. England's early years guidance places it in the 3 and 4 age band, suggesting big painting and chalking on walls and easels to help children of that age "cross the mid-line" of their bodies.

That guidance is the Department for Education's Development Matters. The same age band lists "show a preference for a dominant hand" among the things 3 and 4-year-olds are learning.

If you see an age quoted online, check its source. The NHS page on coordination difficulties in children notes that children vary widely in their rate of development, so watch the pattern over months rather than one wobbly afternoon.

What are the best crossing the midline activities?

The best crossing the midline activities get a child reaching across their body while they're busy with something more interesting: a game, a picture or a job. All 12 appear on advice sheets from NHS children's therapy services in Somerset, Liverpool, Buckinghamshire, Wrexham and Tayside, and most need nothing you'd buy.

1. Cross crawls

March on the spot, tapping the left knee with the right hand, then the right knee with the left. Somerset puts it first among its whole-body ideas. Alder Hey turns it into a knee-slap walk round the room, then a skip.

2. Simon Says, crossed over

Make every instruction cross the body: "Simon Says touch your left shoulder with your right hand". All five NHS sheets in this guide suggest it: the closest thing this topic has to a universal answer.

3. Lazy eights on the wall

Tape a big sheet of paper to the wall (NHS Tayside suggests old wallpaper) and draw a large figure of eight lying on its side. Your child stands in the middle and traces it in different colours: left hand, right hand, then both, as Somerset suggests.

4. Rainbows on the floor

Your child kneels in front of the middle of a large sheet of paper and draws one huge rainbow with the same hand all the way across. Chalk on the patio is the garden version.

5. Beanbags to the far side

Put a box on each side of your child. The right hand throws into the left box, the left hand into the right. Rolled-up socks make perfectly good beanbags.

6. One-handed balloon tennis

Bat a balloon back and forth with one hand only, sending it wide so your child reaches across to return it. Balloons float slowly enough for small children to get there.

7. Sorting across the body

Put things to sort on one side and the containers on the other, and have your child move them across with one hand. NHS Wales and Somerset suggest pegs, buttons or toy cars. If your child still puts things in their mouth, stick to big items like socks.

8. Windmills

Feet apart, bend at the waist and touch the left foot with the right hand, stand up, then swap. Slow is fine, and bent knees are fine.

9. One-hand bubble popping

Your child pops bubbles with one hand only, reaching across for the ones that drift to the other side. Best outdoors or at bath time.

10. Big sweeping jobs

Wiping the table or helping wash the car, in long strokes from side to side. It's the only activity here that leaves something cleaner.

11. The crossover walk

Walk sideways, crossing one foot over the other, then come back. A strip of masking tape on the floor makes a clear track.

12. Ribbon figures of eight

Swish a ribbon or scarf in big figures of eight, stretching across the body. It's the streamer waving Development Matters lists for 3 and 4-year-olds.

The 12 by what you need

Nothing at all: cross crawls, crossed-over Simon Says, windmills, the crossover walk (tape optional).
Paper and crayons or chalk: lazy eights, floor rainbows.
Things from around the house: socks and two boxes for beanbags, small things to sort, a cloth for sweeping jobs, a ribbon or scarf.
A balloon or bubbles: balloon tennis, bubble popping.

A ten-minute set to try

Two minutes of cross crawls to music, three of crossed-over Simon Says, three of lazy eights on paper taped to the fridge, two of balloon tennis. One balloon, one sheet of paper, one crayon.

Several of our brain breaks for kids, including cross-crawl and eagle, double as two-minute midline games.

Which yoga poses cross the midline?

Yoga poses that cross the midline either wrap one limb over to the other side, like eagle arms, or reach a hand to the opposite foot or knee. Eagle is the clearest example, because both arms cross the centre line. It's pose 13 of the 15 numbered poses engraved on our Sun Salutation kids' yoga mat, and the cue beside it says to bring the elbow into the crook of the opposite elbow. Younger children can wrap the arms only and keep both feet flat. Eagle is also a standing balance in our core strength and balance activities.

Two more mat poses cross over with one change (our variations, not the engraved cues):

Rag doll, crossed. From the floppy forward fold (pose 6), reach the right hand to the left ankle, then swap. A slow windmill.
Cat and cow, plus a tuck. From hands and knees (poses 2 and 3), bring the right elbow under the body towards the left knee, then swap.

What the mat adds is a prompt. The poses are numbered and laser-engraved into the surface, so a child can find number 13 and read the cue beside it without you looking anything up. Each design comes in seven colours, so let your child choose a colour.

It won't speed up a skill on its own, and nothing should promise to. It just gives the practice somewhere to happen.

New to it? Our beginner's guide to yoga for kids covers starting at home.

Why does my child struggle crossing the midline?

Children who find crossing the midline hard tend to work round it: swapping hands halfway across a drawing, turning their whole body to reach, or leaning and moving the paper while they write. NHS Wales, Alder Hey and NHS Tayside all describe these workarounds, and answer them with activities like the 12 above.

Somerset says a child who moves their whole body rather than crossing the midline may find it hard to get really good at using one hand for jobs like writing. Alder Hey adds that it can make it harder to follow a moving object from one side to the other with the eyes.

When should you speak to someone?

Speak to your GP or health visitor if you're worried about how your child moves. For school-age children, the NHS also suggests the school nurse, doctor or special educational needs co-ordinator (SENCO).

That's the NHS advice on coordination difficulties in children. Somerset NHS Foundation Trust adds that if activities like these haven't helped after a few months, you can contact its children's therapy service. Elsewhere, start with your GP or health visitor.

Frequently asked questions

What does crossing the midline mean?

Crossing the midline means reaching a hand or foot across an imaginary line down the centre of the body to work on the other side, such as touching the left knee with the right hand or drawing across a page without swapping hands. NHS therapy services describe it as a coordinated, two-sided skill used in dressing, writing and ball games.

At what age should a child cross the midline?

There's no official UK age. England's Development Matters guidance suggests big painting and chalking on walls to help 3 and 4-year-olds cross the mid-line, and lists a preference for a dominant hand in the same age band. The NHS notes children vary widely in their rate of development, so speak to a GP or health visitor if you're worried.

Why does my child switch hands in the middle of a drawing?

Swapping hands at the middle of the page is one of the workarounds NHS therapy services describe in children who find crossing the midline hard. Their usual suggestions are big floor rainbows, lazy eights and one-handed games. If there's no improvement after a few months of trying, speak to your GP or health visitor.

Is there a free crossing the midline activities PDF?

Yes. Several NHS children's occupational therapy services publish free advice sheets, including NHS Wales in Wrexham, Alder Hey Children's NHS Foundation Trust and NHS Tayside, and Somerset and Buckinghamshire have web versions. All five are linked in the Sources below, and all 12 activities in this guide come from them.

A present that gets used after Christmas

If you're looking for a Christmas or birthday present that gets used after Boxing Day, the Sun Salutation mat is 15 numbered poses, eagle among them. There's nothing to set up and no screen to follow, so it's as easy to unroll on a wet Saturday in January as on Christmas afternoon.

Buying as a grandparent? It's full length at 183 x 61 cm, so you can have a go at eagle too. The length is on purpose: there's room to stretch out at three and still at eight. The trade-off is that if a three-year-old will carry it to nursery on their own every day, a shorter mat is easier for them. It weighs 800 g, rolls up and comes with a carry strap.

It's designed for ages 3 to 8. Three- and four-year-olds copy the poses with a little help, and older children lead their own sessions. Under three, we'd wait. It's non-toxic, PVC-free TPE, according to our supplier's specification, with 6 mm of cushioning. Use it on a dry, flat floor, and wipe it with a damp cloth and a little mild soap, then let it dry flat.

Buying for brothers, sisters or cousins too? Two or more mats are 10 per cent off. For ideas beyond the mat, our screen-free Christmas gifts are sorted by age.

The mat is £34.99 with free UK delivery and 30-day returns. Roll out eagle on the Sun Salutation mat.

Sources

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