Most groin strains take one to two months to fully heal, though mild injuries can have you back to normal activity in about three weeks, and severe tears may need three months or longer. The timeline depends on the grade of the injury, how quickly you start rehab, and whether you’ve strained the same muscle before.
Healing Timelines by Grade
Groin strains are graded on a scale from 1 to 3 based on how much of the muscle fiber is torn. A prospective study of male athletes tracked recovery milestones across these grades and found meaningful differences in how long each takes.
For grade 1 and 2 strains (minor tears to moderate partial tears), athletes became pain-free at a median of 13 days and returned to full training at about 18 days. These are athletes with access to daily rehab, so if you’re recovering on your own, expect the process to take somewhat longer. The Cleveland Clinic puts full recovery for mild to moderate strains at one to two months for most people.
Grade 3 strains involve a complete or near-complete tear. In the same study, athletes with grade 3 injuries took a median of 55 days to become pain-free and 78 days (about 2.5 months) to return to full training. Some took over three months. Chronic strains, where you’ve injured the same spot more than once, often follow a similar extended timeline because scar tissue and weakened fibers slow the repair process.
What Happens During a Groin Strain
A groin strain is a tear in one of the adductor muscles, a group of five muscles that run along your inner thigh and pull your leg inward. The adductor longus is the one that tears most often, accounting for 62% to 90% of all groin strains. The injury typically happens during a sudden change of direction, a hard sprint, or a kicking motion where your leg meets unexpected resistance. Soccer players experience this when they try to kick with the inside of the foot and collide with another player. The muscle is being asked to contract while simultaneously being stretched in the opposite direction, and the fibers give way.
You don’t have to be an athlete to strain your groin. Slipping on ice, lunging awkwardly, or any movement that forces your legs apart suddenly can do it.
What Recovery Actually Looks Like
Recovery moves through three general phases, and rushing any of them is the fastest way to end up with a chronic problem.
The First 1 to 2 Weeks
The initial phase focuses on pain control and protecting the injured tissue. Rest from any activity that provokes pain. Ice the area for 15 to 20 minutes several times a day during the first 48 to 72 hours. Gentle isometric contractions, where you squeeze your inner thighs together without actually moving, are typically introduced early. The goal is to maintain some muscle activation without stressing the healing fibers. You should be able to do these contractions with minimal or no pain before progressing.
Weeks 2 Through 4
This is the conditioning phase, where you gradually increase the load on the muscle. Think light resistance exercises: side-lying leg lifts, resistance band work, or low-weight machine exercises. Movements should be slow and controlled, emphasizing all three types of muscle contraction (squeezing, holding, and lengthening). Balance exercises on unstable surfaces like wobble boards are also useful here, because the muscles around your hip and pelvis need to relearn how to coordinate. Loads start light (sets of 15 or more reps at low effort) and build to moderate intensity.
Weeks 4 Through 8 and Beyond
The sport-specific phase brings in faster, more dynamic movements that mimic whatever activity you want to return to. Resistance increases to heavier loads (sets of 8 to 10 reps), and movements gradually get quicker. The key principle is that speed increases only after you can handle the resistance at a slower pace without pain. Cutting, sprinting, and kicking drills are added in progression. For a grade 3 strain, this phase alone can take four to six weeks.
Why Some Groin Strains Keep Coming Back
The single biggest risk factor for a groin strain is having had one before. Previous injury changes the tissue and, in many cases, leaves the muscle weaker than it was. Research consistently identifies reduced eccentric hip adduction strength (the ability of the muscle to control a lengthening force) as a key predictor of injury. In one study, symptomatic athletes had significantly lower eccentric adductor strength than healthy ones: 2.47 versus 3.12 units of force per kilogram of body weight.
Other risk factors include limited hip rotation, skipping preseason conditioning, and ignoring early, low-level groin symptoms. Athletes who had minor discomfort they played through were more likely to develop a full injury. That nagging tightness is worth addressing, not dismissing.
The Exercise That Helps Prevent Reinjury
One exercise has the strongest evidence behind it: the Copenhagen adduction exercise. You lie on your side with a partner or bench supporting your top leg, then lift your body using your inner thigh muscles. It has been shown to significantly increase eccentric adductor strength (by an average of 0.49 Nm/kg) and reduce the risk of adductor-related groin pain. Many sports teams now include it in regular warmups as a preventive measure. If you’ve had a groin strain and want to lower your chances of a repeat, this exercise is worth learning once you’ve healed enough to perform it without pain.
When Groin Pain Isn’t a Muscle Strain
Groin pain that doesn’t improve on the expected timeline may not be a simple muscle strain. The groin is a crossroads where muscles, tendons, joints, nerves, and organs all overlap, and dozens of conditions can produce similar symptoms. Hip joint problems like labral tears or impingement are common mimics, especially if you feel a deep, catching sensation when you rotate your leg. Inguinal hernias produce groin pain that worsens with coughing or straining. Stress fractures in the pelvis or upper thighbone cause pain that builds gradually with activity. Nerve entrapment can create burning or shooting pain in the groin and inner thigh.
If conservative treatment hasn’t made meaningful progress after three months, imaging and further evaluation are typically warranted. In cases where surgery is eventually needed (for example, to repair a hip impingement), about 88% of professional athletes return to sport within 12 months. But the vast majority of groin strains never reach that point. With consistent rehab and a gradual return to activity, most people recover fully without any intervention beyond exercise and time.