Dissection: Knee, Anterior and Lateral Leg Flashcards
where does the fibrous capsule of the knee attach?
round the margins of the articular cartilage
what does the fibrous capsule enclose?
synovial fluid
name the ligaments of the knee joint
iliotibial tract
tibial collateral ligament
fibular collateral ligament
ant/post cruciate ligaments
what are menisci
crescentic discs of fibrocartilage
what do the menisci do?
shock absorption
stabilise curved femoral condyles upon flatter tibial condyles
what are genu varum?
bandy legs
what are genu valgum
knock knees
where does the medial meniscus attach peripherally/
tibial collateral ligament
ruptures in what structures make up the “unhappy triad” knee injury?
anterior cruciate ligament
tibial collateral ligament
medial meniscus
which edge of the menisci are unattached to bone?
deep edges
role of cruciate ligaments
maintaining joint stability
where does the anterior cruciate ligament attach?
lateral femoral condyle
how can the cruciate ligaments be measured?
drawer test
where does the posterior cruciate ligament attach?
medial femoral condyle
what does the suprapatellar bursa do?
reduces friction on quadriceps tendon during knee movements
what would a swelling visible in the lower third of anterior thigh?
abnormal fluid in the knee joint reaching the suprapatellar joint
where does the common fibular nerve enter the anterior leg
popliteal fossa
what does the common fibular nerve divide into
superficial and deep
what does the superficial fibular nerve supply?
muscle of the lateral compartment of the leg and skin of the dorsum of foot
what does the deep fibular nerve supply?
muscles of the anterior compartment of leg and skin of the first interdigital cleft
what separates the anterior and lateral compartments of the leg
intermuscular septum
smallest compartment of the leg?
lateral
