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See Parent Play StyleA cast changes the kickabout, but it does not have to end it.
A child with an arm or leg cast playing football starts with one rule: the child's own doctor or fracture clinic decides what sport is allowed, so everything below is a parent-level idea to confirm with them, not medical advice.
For a long time I assumed a cast meant the kickabout was cancelled until it came off, and only noticed how flat our evenings had gone when I saw how much of the fun was the shouting and counting. Below is a green, amber and red list for the garden and five things to ask at the appointment.

The rule before any game
Advice differs between clinics. One NHS trust leaflet says a child "should not take part in PE, sport or rough play while wearing the cast", and another says "Do not do any PE or games whilst the cast is on". Read one NHS trust's forearm leaflet for children. Read Sheffield Children's upper-limb fracture advice.
NHS guidance says to follow any exercise advice you have been given and to ask a doctor when contact or high-strain sport can restart. Read the NHS guidance on a broken arm or wrist. Read the NHS guidance on a broken leg. So the first job is the appointment, not the garden.
Keep the cast dry, put nothing inside it and do not trim it. Do not put weight on a leg cast unless the clinic has said so, because a cast shoe is only used if you are allowed to put weight through the cast. Read Great Ormond Street's plaster cast advice.
These sources are hospital and NHS guidance for the general case, and a leaflet does not define "games", so the clinic's answer for this child always wins.
Sort tonight's games
These are parent-level suggestions for football games for a child recovering from a fracture, so confirm the whole table with your clinic.
| Light | What it looks like | Why |
|---|---|---|
| Green: ask about | Referee, scorer or goal-setter. The child stays seated, or stands still if only an arm is in a cast, calls the score and places two cones or bags as a goal. | No running, no falls and the cast never goes near play. With a leg cast, stay seated, because no weight goes through the cast unless the clinic says so. |
| Green: ask about | Target holder. A seated child holds a large bucket or laundry basket still while you roll a soft ball gently into it. | Soft, light ball and the cast stays clear of it. |
| Green: ask about | Ball-roller or ball-caller. Rolling a soft ball with the free hand from a seat, or calling which cone to aim at. | Low fall and impact risk. Check first if standing on a good foot. |
| Amber: check first | Standing still and passing with the good foot for an arm cast. | Balance, and a stray ball hitting the cast. |
| Amber: check first | Any throwing or catching with the casted arm, or play near a sling or splint. | Knocks and strain on the healing bone. |
| Amber: check first | A child on crutches collecting the ball, or any game on damp grass, near a hose or in drizzle. | Falls, weight through the cast and a cast that must stay dry. |
| Red: skip for now | Running, chasing, dribbling on a leg cast, keeper dives, heading, chest control and tackling. | Falls, contact and weight through the cast. |
| Red: skip for now | Sibling scrums, trampoline, climbing, two-footed jumps and swinging the cast arm as a shield. | Falls, contact and weight through the cast. |
Keep any ball soft and light, such as a foam or sock ball, on a dry patio with an adult beside the child. Add no pad, wrap or tape to the cast, because the clinic decides on covers. A gentle target game with a soft sock ball can be run from a chair.
Why the clinic comes first
NHS guidance says do not get the cast wet, do not scratch under it and follow any exercise advice. Contact NHS 111 if pain gets worse, the cast breaks or feels too tight or loose, the fingers, wrist or arm go numb, look swollen or turn blue or white, or there is a bad smell or fluid. Read the NHS guidance on a broken arm or wrist. For a leg, the NHS gives 111 for very painful or worsening pain and large swelling or bruising, and 999 or A&E for a twisted or bent leg or a bone showing. Read the NHS guidance on a broken leg.
Great Ormond Street says to contact the hospital immediately for cold white or blue fingers or toes, a painful tight cast, swelling that does not improve when raised, pins and needles or numbness. The same goes for oozing, rubbing, a burning feeling or a cracked or crumbling cast, and it says to go to A&E if you are very concerned. Read Great Ormond Street's plaster cast advice. This is general guidance, silent on sport, and may differ from your own clinic.
Two NHS trust leaflets say no PE, sport, rough play or games while the cast is on. Read one NHS trust's forearm leaflet for children. Read Sheffield Children's upper-limb fracture advice. Each is one trust, one is dated 2018, both cover the forearm and upper limb only, and "games" is not defined.
A 2023 scoping review and survey of return to sport after forearm fractures in children, covering 22 publications and 64 survey respondents mostly in Australia, found that advice is inconsistent and depends most on how stable the fracture is. Read the review of return to sport after forearm fractures in children. It is about return to sport, not play in a cast, and gives no safe date for any child. The NHS quotes usual recovery ranges of about 6 to 8 weeks for an arm or wrist and 6 to 12 weeks for a leg, and says it can take longer, which is not a return-to-play date.
Give them a real job
I once set our patio up with a wobbly laundry basket as the goal and put the child in the cast in charge of the scoreboard. I lost every argument about whether it counted, which was rather the point.
They are not being sidelined. They are the referee, scorer or goal-setter with the final say, so rotate the job every few minutes, let them choose the target cone or bucket, let them invent a scoring rule and end the game when they say.
They may still want to do a red activity. State it calmly as "not till the clinic says".
"Shall we set up the goal together and you be the referee tonight? You get the final say."
When they want to run: "Not with the cast on, and I know that's rubbish. Shall we make the next round a target one instead?"
If the trouble is noise or rules rather than a cast, the additional needs guide covers that.

Quick answers
It depends on the clinic. Some NHS trusts say no PE, sport or rough play while a cast is on, so ask the fracture clinic before anything beyond quiet seated roles. Their answer for your child wins.
Ask the clinic first, then start with roles that need no running or falls, such as referee, scorer or goal-setter, or a seated target game with a soft ball. Skip heading, diving, tackling and anything that could knock the cast.
Keep it seated, with no weight on the cast unless the clinic has allowed it. Roles and target games from a chair are the low-risk end, and running, dribbling and goalkeeping wait for the clinic's go-ahead.
Keep it dry. Choose a dry patio over dewy or rainy grass, and contact the hospital if the cast does get wet.
Call NHS 111 or the fracture clinic if pain gets worse, the cast breaks or feels too tight or loose, fingers go numb, swollen, blue or white, or there is a bad smell or fluid. Go to A&E if you are very concerned, and for a leg go to 999 or A&E if it looks twisted or bent or a bone is showing.
Keep going
Three places to go next, depending on what you are adapting around. If the pain is in the heel rather than a break, child heel pain after football and Sever's disease explains what to look for. For a sprain rather than a break, getting back to football after a sprained ankle has a gentler routine. For a sore knee rather than a break, child knee pain and football covers it.
Play ideas shaped around the grown-up and the child you actually have.
See Parent Play StyleAdapting play for sensory and rule-based needs.
See the additional needs guideGentle football when the grown-up has limits of their own.
See the pregnancy pageTonight's five minutes
Five minutes with the clinic's leaflet, one soft ball, a bucket and a referee with the final say.