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My knee hurts when bending it, what are the possible causes? | Health | Saejob


The placement and depth of the ache can differ relying on the reason for the issue.

The knees are one of the essential joints in our physique, however on the identical time, probably the most suffered. These enable us to stroll, run, bounce and carry out actions in our daily. Even with a minimally lively life, we use them 1000’s of instances a day.

The knee can also be a really advanced joint made up of delicate bones, fibers and cartilage, menisci, bursae, ligaments, muscle tissue and tendons. All that and extra make it a fragile joint, which tends to trigger issues at any stage of life.

Your ache is a standard symptom in folks of all ages. It may possibly begin instantly or after an harm or high-impact train. Knee ache also can begin as a gentle discomfort after which steadily worsen, in response to the medical portal Medlineplus.

Regardless of how widespread it’s to really feel ache within the joint, it could actually have totally different causes that should be identified by a GP, particularly if the ache doesn’t cease. Even so, there’s a particular kind of ache that happens once we bend it, which can have some causes that we’ll overview under, in response to the well being portal of 20minutos Y MayoClinic.

Sure modifications within the decrease extremities, plus being chubby, may cause the crunching impact on the knees of younger folks.

Patellofemoral or runner knee ache syndrome

This syndrome happens primarily as a consequence of fixed stress on the knee — from affect sports activities similar to working or leaping — however it could actually additionally seem after surgical procedure or traumatic accidents. The ache that it produces is localized within the entrance a part of the knee and is normally delicate, however is noticeably intensified when climbing stairs, kneeling, squatting or sitting with a bent knee. It must be identified by X-ray, CT, or MRI, and improves with relaxation or icing after train. If the ache is extended, the physician might prescribe rehabilitation and, in extreme instances that don’t remit, surgical procedure.

Patellar tendonitis

Such a harm causes ache and burning within the kneecap and is brought on by an harm between the tendon that connects the kneecap to the tibia. At first, the ache begins with bodily exercise or after bodily exercise, however, over time, it could actually intrude with day by day exercise, because it hurts solely to bend it barely when sitting, climbing stairs or getting up. This harm is widespread in individuals who do sports activities that embrace leaping, similar to basketball. Remedies vary from stretching or rehabilitation to extra advanced ones like steroid or platelet injections if tendonitis turns into persistent.

Iliotibial band syndrome

This syndrome — which is brought on by overload and extra friction of the band that joins the buttock with the shin — may cause ache on the skin of the knee, ache that extends to the hip or thigh. At first, it is going to happen with vigorous bodily exercise, similar to working, however over time the ache can seem merely with strolling or climbing stairs. It normally improves with relaxation or making use of ice. If it doesn’t cease, will probably be essential to go to the physiotherapist.

Hamstring tendinitis (biceps femoris)

The ache brought on by tendonitis on this space is situated behind the knee and may prolong to the thigh. It’s normally as a consequence of poor sports activities follow or to utilizing unhealthy footwear throughout sports activities. It normally improves with relaxation and bodily remedy therapies.

Quadriceps tendonitis

Such a harm may cause ache within the higher half and within the entrance a part of the knee, particularly once we transfer it. This harm is typical of sports activities by which you velocity up and decelerate often. The therapy of this harm ranges from bodily remedy to injections of hyaluronic acid or braces in probably the most sophisticated instances.


This pathology happens when the bursa, a small fluid-filled sac that reduces friction and protects the strain factors between the bones, tendons and muscle tissue, on this case, of the knee, turns into infected. Along with burning and swelling, it causes ache, each above and under the knee. This harm might resolve by itself or be handled with corticosteroid injections, and even by eradicating amassed fluid from the knee.


Osteoarthritis is a situation brought on by put on and tear on the joints, inflicting diffuse ache, in addition to swelling and stiffness, particularly within the morning. The ache, though it could actually at all times be current, worsens when bending the knee, and may change into very stabbing and sharp.

Ligament accidents

The ligaments which are most injured within the knee are the anterior cruciate (LAC) and the posterior cruciate (LPC), which is normally the results of sudden actions. The ache it produces is acute and makes motion tough, because it turns into extra acute once we bend the knee. Ice may help relieve ache, and if it doesn’t resolve, your physician might suggest carrying a splint and even surgical procedure.

Baker’s cyst

This pathology, which is characterised by having a fluid-filled swelling situated at the back of the knee, causes ache on this space and worsens with motion. It may be brought on by arthritis.

Meniscus tear

When this cartilage breaks, which might be instantly or as a consequence of minor accidents or poor posture, along with the everyday clicking sounds, acute ache happens, particularly when bending the knees or squatting.

Relying on the place of the knee that it hurts to bend it, it may be:

• Above the knee: quadriceps tendonitis, bursitis, osteoarthritis.

• Acute ache: ligaments, torn meniscus, osteoarthritis.

• The again: hamstring tendinitis, Baker’s cyst.

•On the entrance: bursitis, quadriceps tendonitis, patellofemoral ache syndrome, patellar tendonitis.

To keep away from them, MayoClinic professionals suggest sustaining an applicable weight, taking part in sports activities, gaining power or flexibility, and exercising “intelligently”, that’s, in case you endure from ache in these joints, it’s best to perform actions that preserve you in form, however they’re “low affect”. (F)