KNEE SUMMARY Osgood-Schlatter disease 🡪 Consider in prepubertal child with knee pain Patellofemoral syndrome 🡪 Tracking problem. Commonest type of anterior knee pain. Quad mx Referred pain to the knee 🡪 Lumbosacral spine, especially L3-S1 nerve root, and hip joint (L3) Systemic conditions 🡪 OA, RA, spondyloarthropathies, gout, pseudo-gout, lyme…