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Low Limb Radiography
| Question | Answer |
|---|---|
| Location of sesamoid bones in the foot | On the plantar surface at the head of the 1st metatarsal. |
| Tarsal that makes up the ankle joint | Talus |
| Joint between the calcaneus and the talus | Subtalar joint |
| Term for the distal end of the fibula | Lateral Malleolus |
| Position which places the intermalleolar line parallel to the IR | Mortise-15-20 degree medial oblique |
| The apex of the fibula is proximal or distal to the body of the fibula | Proximal |
| What type of joint is the distal tibiofibular joint | Fibrous, amphiarthrodial, syndesmosis type |
| Name for the surface on the top of the foot | Dorsum pedis |
| Condition where tibial tuberosity pulls away due to detachment of the patellar tendon | Osgood Schlatter Disease |
| Lower limb projection that requires a 10 degree angle toward the heel | AP Toes, AP Foot |
| CR location for the lateral calcaneus | 1 inch inferior to the medial malleolus |
| Positions/projections done to demonstrate the arches of the foot | Bilateral weight bearing AP, and RT and LT Lateral weight bearing images |
| Another name for the Patellar Surface | Trochlear Groove or Intercondylar Sulcus |
| More distal: medial femoral condyle or lateral femoral condyle? | Medial, a 5-7 degree cephalad angle superimposes condlyles on image |
| Deep notch between femoral condyles posteriorly | Intercondylar fossa |
| True or False: The base of the patella is the superior upper border. | TRUE |
| True of False: Angle 3-5 degrees caudad on the knee of a patient who measures 20 cm's at the ASIS. | FALSE: Angle is for those measuring under 19 cm's. |
| True or False: Knee obliques require the same CR angle, as the AP. | TRUE |
| True or False: The Homblad method best demonstrates a tangential patella. | FALSE |
| Angle of the tube for the Camp Coventry method | Perpendicular to the lower leg (40-50 degrees caudad) |
| A 45 degree medial obl knee best demonstrates the __________. | Head and neck of the fibula without superimposition. |
| On a lateral knee, the knee is flexed how many degrees? | 20-30 degrees-relaxes muscles to show maximum volume of joint cavity |
| On a lateral patella, the knee if flexed how many degrees? | 5-10 degrees |
| Method: Knee is flexed 90 degrees, patient prone, CR angled 15-20 degrees to the patellofemoral joint. | Settegast |
| Lower limb exam best demonstrated by utilizing anode heel effect | Femur |
| Degree of foot rotation for the distal AP femur | 5 degrees medially |
| Degree of foot rotation for the AP proximal femur | 15-20 degrees medially to place the femoral neck parallel to IR |
Created by:
EHodgis
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