A bone stress injury happens when a bone is loaded faster than it can recover, and caught early it usually heals well.
If you’re a runner, walker or field-sport athlete with shin or foot pain that’s creeping up week by week, this one’s for you. Bone stress injuries are common, often mistaken for “shin splints” or a sore muscle, and much easier to manage when they’re picked up early.
How they happen
Bone is living tissue. Every run or jump causes tiny amounts of damage, and your body repairs it, leaving the bone a little stronger. Problems start when the damage builds faster than the repair.
Bone stress injuries sit on a spectrum:
- Bone stress reaction: the bone is irritated and painful, but there’s no crack.
- Stress fracture: a small hairline crack has formed.
A stress reaction generally heals faster than a stress fracture. That’s why getting it checked early matters: the sooner it’s managed, the shorter the recovery tends to be.
Who’s at risk?
Anyone doing repetitive impact can develop one, but the risk rises with:
- A sudden jump in training. More kilometres, more sessions, faster pace or hills, especially several changes at once.
- A change in surface or footwear. Switching to harder surfaces or very different shoes.
- Not fuelling enough for your training. When energy intake doesn’t match the energy you burn, bone health can suffer. This affects both men and women.
- A previous bone stress injury. This is the strongest predictor of having another.
- Other health factors, such as low bone density, smoking or some hormonal and medical conditions.
Often it’s not one thing but a combination: a training increase, a busy few weeks and not quite enough recovery.
Signs to watch for
- Pain in a bone, often the shin, foot or hip, that builds gradually over days or weeks
- Pain that starts earlier in each run, or lingers after
- A specific spot on the bone that’s tender to press
- Pain with hopping on the affected leg
- In later stages, pain with walking, at rest or at night
Muscle soreness usually eases as you warm up. Bone pain tends to do the opposite: it gets worse the longer you keep going. If that sounds familiar, stop running and get it checked.
How it’s diagnosed
Diagnosis usually starts with your history and a hands-on assessment. Pinpoint tenderness over the bone, plus a story of rising load, is often enough to suspect it.
X-rays often look normal, especially in the early weeks, so a clear X-ray doesn’t rule a bone stress injury out. When imaging is needed, MRI is the most useful test.
Where the injury is matters as much as whether it’s there:
- Lower-risk sites, such as the inner shin, fibula and middle bones of the foot, are the most common. They usually heal well with modified activity, often over 6 to 8 weeks.
- Higher-risk sites, such as the front of the shin, the navicular in the midfoot, the base of the fifth metatarsal and the femoral neck at the hip, heal less reliably. These need prompt imaging and closer management, sometimes with a sports doctor or surgeon.
Hip or groin pain with running deserves particular care, as femoral neck injuries can be serious if missed.
Recovery: what to expect
Complete rest is rarely the answer. Most people recover with a structured plan:
- Settle the pain. Reduce load until everyday walking is pain-free. Some people need a boot or crutches for a short time.
- Keep fit without impact. Cycling, swimming or water running maintain fitness while the bone heals.
- Build strength. Calf, hip and trunk strength help share load, and clinical Pilates and gym-based strength work suit this stage well.
- Return to running gradually. Once you’ve been pain-free for several days, a walk-jog program builds up step by step. Pain during or the day after a session means dropping back a level.
- Address the cause. Training load, footwear, recovery and fuelling all get reviewed so it’s less likely to happen again.
Setbacks are common if you progress too fast. Patience early on usually means a quicker return overall.
Get it checked early
If you’ve got bone pain that’s building with activity, don’t push through it. At Niche Physio and Pilates in Mount Hawthorn, we’ll assess what’s going on, arrange imaging or a referral if it’s needed, and build a plan to get you back to running safely.
Book an assessment online or call the clinic to get started.
This article is general information only and isn’t a substitute for individual advice. Speak to a health professional about your situation.
Sources
- Great Expectations Part 4: Bone Stress Injury with Stuart Warden (RunningPhysio)
- 2023 IOC consensus statement on Relative Energy Deficiency in Sport (Br J Sports Med)
