Difficulty bending the knee

Possible conditions

Knee Dislocation — 4 Genes And 6 Biomarkers To Track

Knee dislocation is one of the most severe joint injuries in orthopedic medicine. When the tibia and femur lose their natural alignment, nearly every structure in the joint can be compromised at once — ligaments, the joint capsule, surrounding nerves, and in up to a third of cases, the popliteal artery behind the knee.

Knee Ganglion Cyst: 5 Genes And 7 Biomarkers To Track

A knee ganglion cyst rarely announces itself as a complex problem. It shows up as a lump — maybe some dull aching when you bend deeply — and then a physician either recommends aspiration or tells you to watch it.

Quadriceps Contracture: 5 Genes And 6 Biomarkers To Track

If you are dealing with quadriceps contracture — whether it developed after an injury, a series of injections, a surgical procedure, or simply showed up as stiffness and limited knee flexion that refuses to resolve — you have likely received the standard advice: stretch more, do physical therapy, push through it.

Knee Impingement Syndrome: 4 Genes and 6 Biomarkers to Track

If your knee keeps flaring up despite doing everything right — resting, icing, stretching, seeing a physio — there's a reason that generic protocol isn't working. Knee impingement syndrome, whether it involves the infrapatellar fat pad, the patellar tendon, or the lateral soft tissues of the joint, is not a uniform condition.

Knee Ankylosis — 7 Biomarkers And 6 Genes To Track

If your knee has lost significant range of motion — whether after surgery, infection, prolonged immobilization, or progressive inflammatory disease — you are likely familiar with how inadequate most general advice feels.

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