Coming back from an injury: what other people did
There are no return-to-play criteria for grappling: no scientific body has ever written any. What does exist is data on what hundreds of practitioners did, and that is already something.
BJJ Square · Updated on 08/11/2026
Careful The numbers below describe what other practitioners did, not what you should do. When to come back is decided with the people treating you: this data gives you an order of magnitude, not permission.
The first thing to know is that no scientific body has published return-to-sport criteria specific to grappling. General sports medicine documents exist, but applying them to jiu-jitsu is an extrapolation, not evidence.
How long it took other people
A study of 1,140 practitioners asked how much time had passed before they returned to full training, sparring included. The numbers vary enormously depending on the injury.
- Ribs: 60% were back to sparring within three months, the fastest return after the ankle.
- Ankle: around a third within the first month, another third within three months.
- Medial collateral ligament: a third between one and three months, a third between three and six.
- Meniscus: a third between three and six months, with a long tail beyond a year.
- Anterior cruciate ligament: half of the athletes were back to sparring after nine months or more, and a quarter after more than a year.
Note The interesting gap is between the three stages of the return. For the ACL, 26% were back to general physical activity within the first month, but only 6% to sparring. Getting moving again and getting back to grappling are two very different things, and in jiu-jitsu the second one involves somebody putting load on you in directions you do not choose.
What they changed afterwards
The same group was asked what they had changed about the way they trained after the injury. The most frequent answers:
- More stretching — 20.3%
- Rolling at lower intensity — 12.4%
- Tapping earlier — 10.0%
- More supplementary training — 8.0%
- No change at all — 18.6%
Almost one person in five changed nothing. That is worth keeping in mind whenever an injury is described as a lesson: for many people it was not one.
⚠️ The limits of these numbers
They are self-reported recollections, gathered some time after the fact: recall accuracy at twelve months is estimated at around 61%. They describe behaviour, not outcomes: we do not know how many of the people who came back sooner got hurt again, because nobody measured it.
Careful ⚠️ One figure from the same study not to misread: the proportion who “did not go back to competing” is high, but the sample included many people who were not competing before the injury either. It does not mean that half of injured practitioners stop competing.
The thing that makes people quit
In a smaller study, of 70 practitioners at a single club, those who had been out for more than four months were five and a half times more likely to be considering quitting, and those who had undergone surgery six and a half times. ⚠️ Small sample, one city — but it is consistent with what you see at the gym: it is not the pain that makes people stop, it is the length of the absence.
Which makes the most ordinary action also the most protective one: tapping early.
Frequently asked questions
- How long does it take to get back to BJJ after an ACL injury?
- In self-reported data from 1,140 practitioners, half were back to sparring after nine months or more, and a quarter after over a year. These are recorded behaviours, not a clinical criterion: the decision belongs to the people treating you.
- Are there criteria for returning to training after an injury?
- Not for grappling: no scientific body has published return-to-sport criteria specific to jiu-jitsu, wrestling or judo. General sports medicine documents have to be extrapolated.
- Is it worth changing how you train after an injury?
- Among the practitioners studied, 20% increased their stretching, 12% reduced intensity and 10% started tapping earlier. Almost one in five changed nothing.
- Which injury has the fastest return?
- Among those documented, the ankle and the ribs: for ribs, 60% were back to sparring within three months.
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