patient prone on bed, knee flexed slightly with a pad under the ankle for support. survey the entire fossa to identify the normal anatomy, including; popliteal artery and vein (patency. aneurysm, thrombosis) posterior joint (joint effusion) medial popliteal fossa bursa between semi-membranosus tendon and medial gastrocnemius muscle] (baker’s cyst) document the normal anatomy and any pathology found, including measurements and vascularity if indicated.
patient lies supine on bed with knee flexed 20 – 30 degrees. alternatively patient may sit on the side of a raised bed with foot resting on sonographer’s knee for support. identify the normal anatomy, including: quadriceps tendon (tears, m/t junction, tendonitis) suprapatella bursa (bursitis-simple/complex, synovial thickening, loose bodies) patella (gross changes eg erosion, bipartite, fracture) patella tendon (tears, tendonitis, insertion enthesopathy) infrapatella bursa (tendonosis, tears, bursitis, fat pad changes) infero-medial – pes anserine bursa
lateral and medial knee
may be scanned as above. assess the medial and lateral collateral ligaments and meniscal margins. joint lines (ligament tears or thickening, meniscal bulging/cysts, joint effusion, gross bony changes)