Calcaneus: How many facets make up the subtalar joint?

Patella: Situation: A patient comes to radiology with a history of chondromalacia of the patella. The orthopedic surgeon is concerned about possible loose bodies in the patellofemoral joint space. She wants the best projection to demonstrate this joint space. Of the following, what projection should be performed?

Patella: Situation: A radiograph of a lateral projection of the patella reveals that the femoropatellar joint space is not open. The patella is within the intercondylar sulcus. The most likely cause of this is:

Knee: The adductor tubercle is located on: 

Toe: Situation: A radiograph of an AP projection of the second toe reveals that the interphalangeal joints are not open. What is the most likely cause for this radiographic outcome?

Calcaneus: Where is the CR placed for a mediolateral projection of the calcaneus?

What is a by-product of anaerobic respiration in muscle fibers?

Patella: Situation: A patent enters the ER with a possible transverse fracture of the patella. Which of the following routines would safely provide the best images of the patella?

Calcaneus: The calcaneus articulates with the talus and the:

Where is the CR directed for a trauma swimmer s lateral?