A 16-year-old club soccer player tore her ACL during a tournament. Her parents drove across LA for a second opinion — not for a different surgery, but for a real conversation about which graft. Here's how Dr. Jayson Lian worked through hamstring vs. BPTB vs. quadriceps with the family, why they landed on hamstring autograft, and what the next ten months looked like.
Shared decision-making across three graft options, with return-to-sport testing — not the calendar — driving clearance.
Our patient was on the third game of a Saturday tournament when she planted her right foot to change direction, felt the knee shift, and went down. The athletic trainer cleared the field, the parents iced it in the car, and an urgent care MRI two days later confirmed what the on-field exam already suspected — a complete mid-substance ACL tear. There was also a small peripheral lateral meniscus tear in a zone amenable to repair rather than excision, which is meaningful in a 16-year-old who has another six or seven decades of knee ahead of her.
The family had already met with a surgeon closer to home who had recommended a patellar-tendon (BPTB) autograft and quoted a recovery timeline. They came to LAOSS not because they disagreed with surgery — they understood she needed it to get back to club soccer — but because they wanted a longer conversation about which graft, and why. That is exactly the right reason to seek a second opinion, and we said so on the first visit.
We sat down with the patient and both parents and walked through all three common autograft options on a whiteboard. BPTB has historically been the cutting-sport gold standard with strong long-term graft-survival data, but the donor-site morbidity — anterior knee pain and pain with kneeling — is real, and our patient was a high school junior who knelt on classroom carpet, knelt at her sister's confirmation, and was about to start a year of college campus visits. Quadriceps tendon has rapidly growing data and a thicker graft option, but is a newer choice in adolescent athletes and the soft-tissue harvest can affect early quad strength, which matters in a sport that lives off quad firing.
Hamstring autograft, in her specific case, balanced the trade-offs well. It avoids the patellar-tendon donor site and the kneeling discomfort that would have followed her through senior year. Her growth plates were nearly closed on imaging but not quite — and the hamstring tunnel can be drilled to minimize physeal exposure if needed. The family understood that hamstring grafts have been associated in some studies with slightly higher re-tear rates in young female athletes, and we did not hide that. They chose hamstring with eyes open, on the condition that rehab and return-to-sport testing were going to be strict, not optimistic.
We performed an arthroscopic hamstring autograft ACL reconstruction with concurrent lateral meniscus repair as a single outpatient procedure. The meniscus repair changes the early rehab — weight-bearing and deep flexion are restricted for the first six weeks to protect the meniscal sutures — and we covered that with the family before the day of surgery so the post-op expectations were calibrated.
Before she ever went to sleep, we agreed on what we called a rehab contract — return to soccer would be determined by passing criteria-based functional testing, not by the calendar. That meant Tegner and Lysholm questionnaires, isokinetic quad and hamstring strength symmetry within 90% of the uninvolved side, single-leg hop test battery within 90%, and a sport-specific cutting and deceleration assessment. If she hit all of that at seven months, great. If she hit it at eleven, we wait until eleven. The family signed off in writing.
ACL recovery in a high-school athlete is a long arc — closer to ten months than four. These were the milestones she hit.
Discharged the same day in a hinged brace locked in extension. Crutches with partial weight-bearing for the first two weeks to protect the meniscus repair.
Outpatient PT 2 to 3 times a week. The early month-one goals are unglamorous and non-negotiable — full passive extension, quad activation, and gait normalization.
Months 4-6 introduce jogging, then agility and progressive cutting. The last 90 days before clearance are about earning the return to sport, not waiting for it.
Female athletes between 16 and 25 returning to cutting sports after ACL reconstruction have the highest known re-rupture rate of any patient population — somewhere between 8% and 15% depending on which study you read, with the contralateral (uninjured) knee at similar or higher risk over the following two years. Graft choice (hamstring vs. BPTB vs. quadriceps) is one variable in that equation, and the differences between grafts in this age group are smaller than the differences between rehab compliance, return-to-sport readiness testing, and committed neuromuscular prevention programs in college. We told the family this on the first visit and again on the day we cleared her.
She completed the full Tegner/Lysholm and functional testing battery before clearance. She also committed to a structured ACL-prevention warmup program at her college club team, which is the single highest-yield piece of post-reconstruction prevention we know of for this group. None of that makes a re-tear impossible — and we said so. It does make it less likely.
The condition behind this case study — how ACL tears happen, how we grade them, and the full menu of surgical and non-surgical options.
Read moreHow we plan, perform, and recover patients through ACL reconstruction — including the criteria-based return-to-sport protocol used in this case.
Read moreA side-by-side look at the two most common ACL graft options — what each does well, where each falls short, and who each is best suited for.
Read moreFull background and credentialing for the sports-medicine surgeon who treated this patient.
Read moreA consultation isn't a surgery referral — it's a careful look at the injury, the graft options, and the full return-to-sport plan, with the patient and family in the room together. Book a visit with one of our sports-medicine specialists at any of our eight LA-area offices.
Composite case based on common LAOSS treatment outcomes. Anonymized for patient privacy.
