MCQs – Lower 2

MCQs-Lower 2
reduction of type II tibial spine fractures.

– on the sagittal MRI of the knee – always be looking for the bone bruise on the anterior aspect of the lateral femoral condyle and posterior aspect of the lateral tibial plateau.

– extreme female athletes: amenorrhea, osteoporosis, anorexia – the “female athletic triad”.

– acute subluxation of the peroneal tendons an be treated with reduction and immobilization for 4-6 weeks initially.

– the quads muscle produces the maximal anterior force on the tibia between 60-0 degrees.

– sucking weight to make the cut in wrestling causes a decrease in cardiac output.

– for running the 100 meter dash – metabolic requirements for activities lasting 10-20 seconds can usually be met by the ATP-CP system using carbohydrate stores within the muscle fiber itself – this is the alactive anaerobic activity. For longer episodes of intense muscle activity (20-120 seconds) the lactic anaerobic system kicks in. The aerobic system is used for longer duration exercise.

– the initial treatment of an accessory navicular is cast immobilization.

– posterolateral dislocations of the knee are caused by valgus medial rotation on the proximal tibia (?)

– beware stress fractures in marathon runners

– the instantaneous center of joint rotation in the four-bar linkage system is at the intersection of the ACL and PCL.

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