A hamstring tear is one of the most common injuries in running and sport, and not all of them behave the same way. The term covers everything from a minor muscle strain to a more significant tear, and the grade and location of the injury change how it feels, how long it takes to settle and how likely it is to return. Understanding which type of hamstring tear you have is the first step toward rehabilitating it properly.
Have you ever rehabilitated a hamstring, only for it to go again on your first run back? Or noticed a niggle that lingers long after the initial injury? These patterns often come down to the type of tear involved, each of which needs its own approach. Below we explain the anatomy, the different grades and locations of hamstring tears, and why sports physiotherapy tailors rehabilitation to the specific injury.
Hamstring Anatomy: Three Muscles, One Group
The hamstrings are a group of three muscles at the back of the thigh: the biceps femoris, the semitendinosus and the semimembranosus. They originate from the ischial tuberosity, the sit bone at the base of the pelvis, and attach to the bones of the lower leg. Together these muscles bend the knee and extend the hip, which makes them central to running, jumping and kicking. The point where muscle fibres transition into tendon is called the musculotendinous junction, and it is a common site of injury.
What Causes a Hamstring Tear?
Most hamstring tears happen during high-speed running or sudden acceleration, when the muscle is lengthening under load. This is why so many hamstring strains occur in the final strides of a sprint or a fast break. Kicking, sprinting and rapid changes of direction are common triggers, and the risk rises with fatigue, inadequate warm-up, previous injury and sudden spikes in training load. A muscle that is asked to do more than it is currently conditioned for is far more likely to give way, which is why gradual loading matters so much in prevention.
Grades of Hamstring Tear: From Mild to Severe
Hamstring tears are often described in three grades. A grade one is a mild strain involving a small number of muscle fibres, with discomfort but little loss of strength. A grade two is a partial tear affecting more fibres, usually with more pain, some swelling and a noticeable drop in strength. A grade three is a complete or near-complete tear that causes significant pain, bruising and loss of function, and occasionally requires surgical review. The grade gives a broad sense of severity, but it is only part of the picture, because where the tear sits matters just as much.
Where the Injury Happens Matters
The location of a hamstring tear strongly influences how it behaves. A tear in the middle of the muscle belly tends to settle more predictably. Injuries higher up, closer to the tendon near the sit bone, generally take longer to recover because tendon tissue is slower to heal. Knowing exactly where the injury sits helps set realistic timeframes and shapes the loading plan, which is why a careful assessment is so valuable.
The T-Junction Injury: Why It Catches People Out
One type deserves special mention. A T-junction injury occurs where the tendon meets the muscle toward the lower end of the hamstring, near the knee. These injuries are notorious because they often feel settled at the three to four week mark, yet imaging can show that the healing tissue is still immature. Returning to running too soon on the strength of feeling fine is a common way these tears re-rupture. This is a clear example of why symptoms alone are not a reliable guide to readiness.
How Different Hamstring Tears Are Rehabilitated
Rehabilitation varies with the grade and location of the tear, but the principles are consistent. Early on, gentle loading and light running can often begin as symptoms settle, alongside progressive strength and power work. Injuries involving the tendon usually progress more slowly, and T-junction injuries in particular need patience beyond the point where they feel recovered. The aim is to rebuild the strength, length and speed the hamstring needs for your sport, then reintroduce running and sprinting in a graded way. A structured plan through return to sport conditioning helps reduce the chance of re-injury.
Common Questions
How Do I Know What Grade My Hamstring Tear Is?
A physiotherapist can estimate the grade from your history and a physical examination, looking at pain, strength and range of movement. For more significant tears, a scan may be used to confirm the extent and location. The grade helps guide rehabilitation, but the location of the tear is just as important.
How Long Does a Hamstring Injury Take to Heal?
It varies widely. A mild strain may settle in a couple of weeks, while a higher-grade or tendon-related tear can take a couple of months or more. Your physiotherapist can give you a clearer timeframe once the type and location of the tear are understood.
Why Do Hamstring Tears Keep Coming Back?
Recurrence is common when an injury is returned to sport before the tissue and strength have fully recovered, especially with T-junction injuries that feel better before they are ready. A graded return that rebuilds strength, length and running speed is the best way to reduce the risk.
Can I Run With a Hamstring Strain?
Sometimes light running is part of early rehabilitation, but this depends on the grade and location of the strain and is best guided by a physiotherapist. Pushing into sprinting too early is one of the main reasons hamstring injuries return.
How BeFit Can Help
At BeFit Training Physiotherapy, our physiotherapists assess and treat hamstring tears at both our Edgecliff and Coogee clinics. We work to identify the grade and location of the injury, then build a strength, power and running programme suited to your sport and stage of recovery. Every initial consultation runs for forty-five minutes, one-on-one, with a thorough assessment and a clear explanation of what we find. Whether your injury came from top-level competition or weekend social sport, we support active people across Sydney’s Eastern Suburbs, and no referral is required to book.
Book an appointment at BeFit Training Physiotherapy — no referral needed.
Edgecliff: (02) 9327 7749 | Coogee: (02) 7205 2805 | befittrainingphysio.com/book-now
Related Services
Learn more about our sports physiotherapy, return to sport conditioning and running assessment in Sydney.
References
Heiderscheit BC, et al. Hamstring strain injuries: recommendations for diagnosis, rehabilitation, and injury prevention. J Orthop Sports Phys Ther. 2010.
Askling CM, et al. Acute hamstring injuries in Swedish elite football: a prospective randomised controlled clinical trial. Br J Sports Med. 2013.
Pollock N, et al. British athletics muscle injury classification: a new grading system. Br J Sports Med. 2014.
Australian Physiotherapy Association. Clinical guidelines. physiotherapy.asn.au.
