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Doctor insights on: Acl Reconstruction Hamstring Vs Patellar Tendon

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Had acl reconstruction on 1/8/2016 using a patellar tendon graft. My question is- Is it normal to lift your leg with tendon when muscles don't work?

Had acl reconstruction on 1/8/2016 using a patellar tendon graft. My question is- Is it normal to lift your leg with tendon when muscles don't work?

No: The answer is "No" because tendons don't contract... meaning they don't move on their own. The muscles contract. To move against gravity, such as lifting a leg, at least one muscle has to move. Otherwise, nothing happens. To move with gravity, such as letting a leg drop down, whatever muscles that were holding the leg up just have to relax or stop contracting... and the leg will drop. ...Read more

Dr. Allen Lu
366 Doctors shared insights

Acl Reconstruction (Definition)

Because an acl (anterior cruciate ligament) cannot heal itself on its own, an acl is "reconstructed" by placing a graft tendon substitute (from your own or donor cadaver tendon) placed into tunnels made in the original acl position, and fixed in place with screws, buttons, or other fixation device. The body then replaces the cells and structure of the graft over 6-8 months, ...Read more


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What works best for an ACL repair? Hamstring, patellar tendon or a cadaber

What works best for an ACL repair? Hamstring, patellar tendon or a cadaber

They all work well.: The three types of grafts all are acceptable in acl reconstruction. It really depends on what graft your surgeon is most comfortable using. As well as, whether you want to use your own tendons or if you care about a cadaver. Long term results are excellent using auto or allografts. ...Read more

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Hi, I had a ACL surgery Patellar tendon (Autograft) on Mar26 which is closely 4months by now. Now I am noticing some swelling on the right knee.

Hi, I had a ACL surgery Patellar tendon (Autograft) on Mar26 which is closely 4months by now. Now I am noticing some swelling on the right knee.

Reevaluation: Swelling can occur especially after a physically taxing day. If it does not improve, recommend notifying your orthopedic surgeon for followup visit. NSAIDs may be taken to help with reducing swelling ...Read more

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8 months ago I had ACL surgery, I did the patellar tendon way, I went to play soccer today and I felt something weird on the left side of my knee, help?

8 months ago I had ACL surgery, I did the patellar tendon way, I went to play soccer today and I felt something weird on the left side of my knee, help?

Patella pain ACL: It is not uncommon to have pain in the front of your knee after knee surgery especially. The muscles around might of become less flexible and the soft tissue hold the patella in place might of become tighter. I would take mild anti-inflammatories, start a good hamstring and quadriceps stretching program. Ice your knee. As well as contact your surgeon to see what else he wants you to do. ...Read more

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It hurts for me to kneel 3 months after patella tendon ACL reconstruction, what's going one?

It hurts for me to kneel 3 months after patella tendon ACL reconstruction, what's going one?

Common problem: Anterior (front) knee pain is very common after an acl reconstruction, especially after a patellar tendon autograft. Kneeling may always be a problem. Keep doing your rehab. I would expect some improvement with time. ...Read more

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I had ACL reconstruction both knees- 2005 Left and 2009 right. Both are torn again 100%. Doctor suggests new surgeries by taking tendons from patella.

I had ACL reconstruction both knees- 2005 Left and 2009 right. Both are torn again 100%. Doctor suggests new surgeries by taking tendons from patella.

ACL tears: Its unfortunate that both are once again torn. You need the ACL for joint stability otherwise you will have to wear a knee stabilizer. I think repeat surgery is a reasonable option. You will have to be extremely careful once this is done. ...Read more

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Hamstring or patella for ACL reconstruction, what are the factors involved treatment?

Hamstring or patella for ACL reconstruction, what are the factors involved treatment?

Surgeons preference: Both r acceptable ; each has it's own drawbacks. Either way accept the surgeon's advice as it is based on his/her experience. If u don't like the choice, seek an opinion from a surgeon who uses the technique u prefer. ...Read more

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For athlete, is a patellar graft or a hamstring graft better for an ACL reconstruction?

For athlete, is a patellar graft or a hamstring graft better for an ACL reconstruction?

Hamstring: Quicker recovery. Expected full regaining of hamstring strength at 1 year postop. No risk of fractures.

Patellar tendon grafts result in only 80% regaining of quad strength longterm, and anterior knee pain complaints are high long term. Patella fracture risk postop due to graft defect. ...Read more

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For a non-competitive athlete, is a patellar graft or a hamstring graft most effective for an ACL reconstruction?

Acl tear: I would recommed a hamstring graft although the patella graft would work well too. The hamstring graft can be removed through a cosmetically nicer incision and there is probably less postop pain than a patella graft. I assume your question was in regards to autografts and not allografts? ...Read more

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What is the difference between the patellar tendon and an acl?

What is the difference between the patellar tendon and an acl?

Ones a ligament: The acl is an importan ligament (ligaments connect bone to bone), that restrains anterior or forward translation of the tibia. The patellar tendon is a tendon (tendons connect muscle to bone). They serve very different functions. The central third of the patellar tendon is frequently used to reconstruct a torn acl. ...Read more

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For what reason is the patellar tendon used in reconstructing the acl?

For what reason is the patellar tendon used in reconstructing the acl?

Good graft source: It is readily available and a strong graft. Most surgeons now use hamstrings instead because of lower morbidity at the harvest site. ...Read more

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How long do general knee sprains take to heal? I was told that the nothing isn't torn, it's only stretched. It could be my ACL or my patellar tendon

How long do general knee sprains take to heal? I was told that the nothing isn't torn, it's only stretched. It could be my ACL or my patellar tendon

Usually 6 weeks: Ligament injury is graded by the amount of stretch or tearing and the resulting instability. Treatment varies based on injury from minimal to pt with poss brace to surgery. ...Read more

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Is the patellar tendon used in reconstructing the acl?

Is the patellar tendon used in reconstructing the acl?

Yes: The patellar tendon and hamstring tendons are the most common grafts used to reconstruct the acl; it cannot be repaired once torn. Another option is to use an allograft which means a cadaver tissue graft from a deseased person. These are also often patellar tendon or hamstring grafts. The literature is mixed but in general, using your own tissue is more successfull than using an allograft. ...Read more

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I am 2.5 months out of acl reconstr. (Patellar tendon) and menisectomy. Can I dance at bars/clubs/parties? I did yesterday and knee is sore today

I am 2.5 months out of acl reconstr. (Patellar tendon) and menisectomy. Can I dance at bars/clubs/parties? I did yesterday and knee is sore today

ACL RECOVERY: If you are only 10-weeks post ACL reconstruction, you probably shouldn't be dancing just yet. If you are engaged in physical therapy, you should talk w/both your orthopedist & therapist about returning to activities that will stress your recently repaired knee ...Read more

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I had ACL reconstruction surgery and my surgeon said that my patella tendon graft was too long. Is that bad? Can someone explain how he fixed it?

I had ACL reconstruction surgery and my surgeon said that my patella tendon graft was too long. Is that bad? Can someone explain how he fixed it?

Acl: Not sure exactly but if the graft was "too long" the knee may end up loose. I'm not sure what he meant by "too long" because I have never seen that before. If the surgery was completed I am convinced that your knee will do well ...Read more

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What's having a patellar graft ACL reconstruction?

Graft choice: Acls are reconstructed in several ways. One way is to take the central third of your patella tendon with bone attached at either end and reconstruct your acl using this tissue. ...Read more

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Patella pop when bending my knee after ACL reconstruction. Worried?

Patella pop when bending my knee after ACL reconstruction. Worried?

Generally not.: The "pop" may be related to you breaking up some scar tissue, or it could be altered tracking of the kneecap, which should improve with physical therapy. ...Read more

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I have pain on patella (front of knee) 4.5 months post ACL reconstruction?

Very common: Pain in the front of the knee is a common problem after acl reconstruction. More so after a patellar tendon autograft. Kee doing your rehab. ...Read more

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Can you provide some advice for someone who's had a patella bone ACL reconstruction?

Give it 6-12 months: Anterior (front) knee pain is common after an acl reconstruction, especially after a patellar tendon autograft. Kneeling may always be a problem. Keep doing your rehab. Typical time for return to pivoting activities is about 6 months with 12 months for 'full recovery'. ...Read more

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What to do if I have pain on patella (front of knee) 4.5 months post ACL reconstruction?

What to do if I have pain on patella (front of knee) 4.5 months post ACL reconstruction?

Common if patellar-: -tendon was used. Autograft. Otherwise look 4 another cause. Ask Ur surgeon. ...Read more

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Is it normal to feel resistance at the patella when bending after 3 weeks of an ACL reconstruction surgery?

No: Tightness over the patella with bending most often represents fluid within the joint (effusion). Typically the knee no longer swells after 3 weeks, so this may be from associated damage to the knee such as cartilage defects or meniscus tears. The range of causes is too wide, so it would be best to ask your surgeon! ...Read more

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Do I need pt with my knee after having a patellar graft ACL reconstruction?

Do I need pt with my knee after having a patellar graft ACL reconstruction?

Yes-optimizes result: One recent study reported similar outcomes in patients who followed a self-guided rehab program to those who did formal therapy-key point is that both groups were doing therapy; patellar tendon grafts in particular benefit from pt early on to avoid postop stiffness. Talk to your surgeon-he/she should have a protocol for your therapist. I recommend sportsmetrics (tm) before return to agility sports. ...Read more

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I partially tore my hamstring 2 months ago. Its improving but there is a pulsating feeling around my patellar tendon. Do you know what causes this?

Not related.: The hamstring attaches in the back of the knee in 2 places. Neither is close to the patellar tendon.
Maybe you HAV athin knee and are feeling the trasmitted noise of the artery in the back of the knee, in between the 2 hamstring tendons. ...Read more

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How is a partial tear of the patellar tendon treated? My leg is only comfortable when flexed. Thanks!

How is a partial tear of the patellar tendon treated? My leg is only comfortable when flexed. Thanks!

Ouch: Once you are certain this is a partial patella tendon rupture you need to rest it for a period of time in a brace. See your orthopedic surgeon for additional recommendations. ...Read more

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Is patellar tendonitis after ACL surgery common?

Varies: It does vary somewhat. Anterior knee pain is more common if the graft was taken from the patellar tendon itself as opposed to the hamstring or an allograft. I would let your surgeon know you are having problems. ...Read more

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How can I treat patellar tendonitis after ACL surgery?

See details: You can treat it by consulting with the surgeon who did the ACL repair and following his/her advice. ...Read more

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Nervous for ACL surgery with patellar graft, what to do?

Many graft choices: The latest multicenter level I clinical trials confirm that both allograft (donated cadaveric frozen tissue) and autograft (your own tisse; e.g., patellar BTB or hamstring, etc.) do very well for providing excellent outcomes for the unstable ACL deficient knee. Allografts have no harvest site morbidity. Discuss both options with your surgeon. ...Read more

Tendon (Definition)

Tendons are made up of collagen and are the functional tissue that interfaces between muscles and bone. Muscles generate force that is transmitted through its tendon that inserts on a specific bone that is moved in the plane of the connecting joint made ...Read more


Dr. John Michalski
667 Doctors shared insights

Patella (Definition)

Patella is a thick piece of bone, more commonly known ...Read more