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Doctor insights on: Pain Behind Knee When Bending Leg

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Dr. Frederick Buechel
1,070 doctors shared insights

Knee Pain (Definition)

Knee pain is a clinical finding in which the joint (where the bones meet) of the knee is painful to move. This can occur with Injury, arthritis, crystal build up in joints, ...Read more


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Sharp stabbing sensation in left knee. Pain occurs when bending or lifting leg. No pain pushing or massaging knee. Ideas?

Sharp stabbing sensation in left knee. Pain occurs when bending or lifting leg. No pain pushing or massaging knee. Ideas?

Ideas, many: Knee pain is very frequent, as with other pains try to recall: onset of pain, radiation, alleviating or aggravating factors, severity of the pain. Possible causes: sprain, tendonitis, bursitis, osteoarthritis, etc. You need to see your primary doctor first and then maybe you need further referral if is not a simple diagnosis. If you had a trauma and then pain seek an orthopedist. ...Read more

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Have knee pain bending, stairs, sitting for too long, hurts try exercises no luck. Sometimes leg will get numb while sitting long what is this?

Have knee pain bending, stairs, sitting for too long, hurts try exercises no luck. Sometimes leg will get numb while sitting long what is this?

Varies: There are a umber of possibilities, I would not hesitate to be seen and am exam and appropriate studies can likely determine the cause. The most common cause of anterior knee pain that is worse when sitting with knee flexed or going up the stairs is a disorder of the patella; the most common of which is chondromalacia. There are many good nonsurgical options. ...Read more

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Sharp severe pain in left knee. Pain occurs when bending or lifting leg, when going down stairs, and when pressing quad-edge of kneecap.

Sharp severe pain in left knee. Pain occurs when bending or lifting leg, when going down stairs, and when pressing quad-edge of kneecap.

Protection!: You know the joke "Doc, it hurts when I do this." and Doc says "Don't do that! Well, for now try not to do those things. Also use a good knee brace to protect/imobolize the knee until you can see a doctor for an exam. Rest will help whatever it is to stop further irritation damage. Knees can be unforgiving, so treat them w/ gentle care. Best! ...Read more

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Tibia knee fracture healed MRI clear still knee pain anf pain when bending knee. When standing leg not straight ?

Tibia knee fracture healed MRI clear still knee pain anf pain when bending knee. When standing leg not straight ?

Nerve injury: Knee injuries may be associated with nerve damage at times which is quite painful- many people guard their knees (avoid use due to fear of pain) and may develop contraction deformities and adhesions which may explain your lack of range of motion. You may need to revisit with your surgeon or seek expert opinion with pain specialist. ...Read more

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Cause of pain behind knee after folding or stretching left leg?

Cause of pain behind knee after folding or stretching left leg?

Hamstring: Pain behind the knee w/ ' stretching' your leg may be due to hamstring irritation/ injury, undiagnosed bakers' cysts, and other causes. See your md for evaluation if no improvement or go to er if pain / swelling worsen(dvt work - up). ...Read more

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Should i see a doctor for left leg behind knee pain i can barely walk on it and if i sit down to long for more than 5 min it is really bad for me?

Should i see a doctor for left leg behind knee pain i can barely walk on it and if i sit down to long for more than 5 min it is really bad for me?

Posterior knee pain: Yes, see orthopedic surgeon. Consider arthritis, gastroc soleus strain, popliteal cyst, referred sciatic pain, and rule out a blood clot with venous doppler. ...Read more