Fast Bowler Back Pain and Lumbar Bone Stress

Written by: Thihan Chandramohan, physiotherapist
Category: Fast bowling
Last reviewed: 18 September 2026

Before you read on

This is general information about a cricket injury, not a diagnosis of yours. Two bowlers with the same symptom often have different problems. If your back, shoulder or leg is hurting, get assessed by someone who is able to examine you.

Why bowlers' backs specifically

Fast bowling asks the lumbar spine to do something unusual. In the delivery stride the trunk side-bends and rotates away from the bowling arm, then extends and rotates back through the front foot, and the whole thing lands through one leg at high speed. That combination concentrates force on one side of the lower spine, usually the side opposite the bowling arm.

Do it thirty times in a spell. Do four spells in a match. Do it week after week through a growth spurt, with a schedule that stacks matches and net sessions together. Bone remodels in response, and if the loading outruns the remodelling, it starts to fail.

That is the mechanism behind lumbar bone stress injury, and it is why the injury clusters in young fast bowlers rather than in the general population with back pain.

What the history usually sounds like

The pattern is recognisable, which is useful because it appears before any scan does.

Pain on one side of the lower back, usually the non-bowling-arm side.
It arrives later in a spell rather than at the start, and gets earlier as weeks pass.
It settles with rest, which is reassuring and misleading.
It hurts to arch backwards, and often to arch and lean to the sore side.
Bowling volume rose recently, or a growth spurt did, or both.
The bowler has not told anyone, because it settles between matches.

That last point is the one that costs seasons. Bone stress is usually manageable when it is caught as a grumble and difficult when it is caught as a fracture. The gap between those is often a few weeks of not mentioning it.

What to do in the first week

If a bowler under about 25 has one-sided lower back pain that comes on through a spell, treat it as bone stress until proven otherwise.

Stop bowling. Not reduce. Stop. This is the single decision that most changes how long the injury takes.
Keep playing where it is safe to. Batting and fielding are often fine and keep a young player in their season. Confirm with whoever assesses them.
Get assessed properly, which includes deciding whether imaging changes anything. In this presentation it usually does.
Write down the last six weeks of bowling before memory rewrites it. Overs, sessions, matches, nets. This drives the whole return plan.
Tell the coach early. Managing a coach's expectations at week one is a conversation. At week eight it is a confrontation.

For parents

If this is your child, start with back pain in junior fast bowlers: what to do this week and when to see a doctor first.

The detailed patient guide

I have written a longer plain-language explainer of what a lumbar bone stress injury is, how it is graded, how healing works and what recovery looks like phase by phase. It is here on this site: back stress fractures in fast bowlers, a plain guide.

What drives it, beyond the action

Bowling load matters, and the way it is distributed matters more than the total. A bowler who bowls the same number of overs spread evenly is in a different position to one who bowls nothing for three weeks and then bowls a lot in four days. Both spikes and long gaps carry risk: the spike overloads, the gap removes the tolerance that made the previous load safe.

Other things that turn up repeatedly in the history:

Growth. Adolescent bowlers going through a growth spurt are the highest-risk group in the game.
Previous bone stress. The strongest predictor of the next one.
Schedule density. Matches stacked with nets, tournaments, and no genuine low weeks.
Sleep and travel. Unglamorous, and consistently present when things go wrong.
Bowling in the nets uncounted. Net overs are real overs. Most systems do not record them.

Notice that most of these are decisions rather than anatomy. That is the useful part: they are changeable.

Getting back to bowling

Return is a graded progression built on what the bone tolerates, not a date. The stages are unglamorous and the discipline is in not skipping them: pain-free daily life, then loading and strength work, then running, then run-throughs without a ball, then bowling off a short run at low intensity, then building volume, then building intensity, then match spells.

The most common error is building volume and intensity at the same time. Add one at a time. The second most common is treating the first pain-free week as the finish line.

The return to bowling progression in detail

Where I fit

If this is your back, or your player's, an assessment works out which of the possibilities it is, what the last six weeks did, and what the next twelve look like. In Melbourne that is an appointment in Richmond. Elsewhere it works over video, because most of this is history and planning.

Common questions

Is all fast bowling back pain a stress fracture?

No, and most is not. Bowlers get muscular back pain, joint irritation and disc-related pain like anyone else. Bone stress matters because it is the one with the worst consequence if it is missed and bowled through, so it has to be ruled in or out rather than assumed away.

Should I get a scan?

Sometimes. If the history suggests bone stress, particularly in a bowler under about 25 with pain on one side that worsens across a spell, imaging changes management and is worth doing. Scanning every sore back is not useful and produces findings that frighten people without helping them.

How long does a lumbar bone stress injury take?

Months, not weeks, and the range is wide. Anyone offering you a confident single number has not seen enough of them. What shortens it is stopping early and progressing properly, and what lengthens it is bowling through and repeatedly restarting.

Is it my action?

Sometimes a contributor, rarely the whole answer. Counter-rotation of the shoulders relative to the hips has been linked with risk, but plenty of bowlers with imperfect actions bowl for twenty years without a back injury. Load, growth, previous injury and schedule usually explain more.

Am I able to keep playing as a batter?

Often yes, depending on the injury and the stage. Removing bowling while keeping batting and fielding keeps a young player in the game, which matters more than most rehabilitation plans acknowledge.

Back pain in fast bowlers