Sever's Disease: Heel Pain in Young Athletes

Every year as kids return to summer and fall sport, a familiar complaint shows up: a nine-to-fourteen-year-old limping off the field, pointing to the back of the heel, sore after practice but often fine the next morning. It worries parents, partly because of the word "disease" in the name. The reassuring reality is that Sever's disease, properly called calcaneal apophysitis, is one of the most common and most benign growth-related conditions in active children.¹

It is not an injury in the way a sprain is, and it is not something the child did wrong. It is a predictable consequence of a growing body meeting a busy sport schedule.

Why it happens

In a growing child, the heel bone has a growth plate at the back called the apophysis, where the Achilles tendon and the plantar fascia attach. That growth plate is softer and more sensitive than the mature bone it will eventually become. During growth spurts, the bones can lengthen faster than the calf muscles and tendons stretch to keep up, which increases the tension pulling on that growth plate. Add the repetitive impact of running and jumping, especially on hard surfaces, and the apophysis becomes irritated.²

So the mechanism is growth plus load. A child hits a growth spurt, plays several sessions of high-impact sport a week, and the tissue simply gets more traction and impact than it can comfortably tolerate for a while. It is most common in the years around puberty and tends to resolve on its own once the growth plate matures and closes.¹

How to recognize it

• Pain at the back or sides of the heel, not under the arch.
• Worse during and after running and jumping; better with rest.
• Often both heels, though one can be worse.
• Tenderness when the sides of the heel bone are gently squeezed.
• Sometimes a limp or toe-walking after activity to offload the heel.

Certain features are worth a proper assessment rather than assuming Sever's: pain that is constant and present at rest, significant swelling, redness or warmth, pain following a single clear injury, or a child who is systemically unwell. Those point away from a simple apophysitis and deserve a look.

What actually helps

The good news is that the evidence, while modest, points toward simple, conservative measures, and toward reassurance that this settles.³ The aim is not to shut the child down completely. It is to bring the load back under what the heel can tolerate while the growth plate does its thing.

• Activity modification, not activity elimination. Turn the volume down rather than off. Fewer high-impact sessions, more rest days, and swapping some running for lower-impact movement usually lets symptoms settle while the child stays active. This is the core principle at work: there are no bad exercises, only too much too soon.⁴
• Calf and heel-cord load. Gentle calf stretching and progressive calf strengthening address the tightness that increases pull on the growth plate. Building calf capacity is part of the longer-term fix, not just symptom relief.
• Footwear and cushioning. Supportive shoes with decent heel cushioning, and sometimes a simple heel raise or cup, reduce the impact reaching the apophysis. Worn-out cleats on hard ground are a common aggravator.
• Ice after activity for comfort when the heel is sore.

Notice what is not on the list: no need for a boot, prolonged crutches, or complete removal from all sport in most cases. The condition is self-limiting, and the goal is to keep the child moving in a way their heel can handle.

The regional picture

It is worth looking above the heel, too. Tight or weak calves, limited ankle mobility, and hip control all change how a child loads the foot. Thinking about the whole leg rather than just the sore spot, the same regional-interdependence logic we apply to adults, often uncovers a contributing factor that makes the difference between a nagging, recurring problem and a clean recovery. Managing a young athlete's overall training volume across a busy season matters just as much, which we cover in managing youth summer sport load.

The timeline, and what to tell your child

The single most useful thing a parent can offer is calm reassurance. Sever's is painful but not harmful. It is not doing damage to the bone, it will not cause lasting problems, and it reliably resolves as the child grows. Most flare-ups settle within a few weeks to a couple of months with sensible load management, though symptoms can come and go across a growth spurt or a busy season.

Framing it honestly helps kids too. "Hurt" here does not mean "harm," and a child who understands that their heel is irritated rather than injured is far more likely to stay active and confident. That distinction between hurt and harm is one of the most useful ideas in all of pain, and we explore it further in our piece on hurt versus harm.

The bottom line

Heel pain in a growing, active child is usually Sever's disease: a benign, self-limiting response to growth plus load. Ease the training volume rather than stopping cold, build calf capacity, sort out footwear, and reassure. Keep an eye out for the red-flag features, but in most cases this is a normal chapter of an active childhood that resolves on its own timeline.

References

1. Wiegerinck JI, Yntema C, Brouwer HJ, Struijs PA. Incidence of calcaneal apophysitis in the general population. Eur J Pediatr. 2014;173(5):677-679.
2. Ramponi DR, Baker C. Sever's disease (calcaneal apophysitis). Adv Emerg Nurs J. 2019;41(1):10-14.
3. James AM, Williams CM, Haines TP. Effectiveness of interventions in reducing pain and maintaining physical activity in children and adolescents with calcaneal apophysitis (Sever's disease): a systematic review. J Foot Ankle Res. 2013;6(1):16.
4. Gabbett TJ. The training-injury prevention paradox: should athletes be training smarter and harder? Br J Sports Med. 2016;50(5):273-280.

Related care at Boreal Spine and Sport: Sports injury treatment in Winnipeg · What we do at the clinic.