How many bodies and extremities does the tibia have ?
1 body and 2 expanded extremities
How many condyles does the tibia have and what are they ?
2; Medial Condyle and Lateral Condyle
flat superior surfaces; slope 10 to 20
tibiaplateaus
sharp projection between tibial plateaus
intercondylareminence
How many peak-like proccesses are in the tibia and what are they ?
2; Medial intercondylar tubercle and Lateral Intercondylar Tubercle
prominent process; site of ligamentum patellae attachment
tibial tuberosity
sharp ridge on tibial tubersosity
anteriorcrest
large process on the distal medial end of tibia
medial malleolus
overlays fibula on anterolateral surface of tibia
anterior tubercle
What does the fibula consist of ?
one body and two articulations
conic projection at the lateroposterior aspect of fibular head
apex
enlarged distal end of fibula
lateral malleolus
" Mortise"; formed by articulations between lateral malleolus of fibula and inferior surface and medial melleolus of tibia
anklejoint
Where is the central for an AP ANKLE ?
Perpendicular through the ankle joint at a point midway between the malleoli
Flexing the ankle and foot enough to place the long axis of the foot in the vertical position is Position of part for what projection of the ankle ?
AP
The patient should be supine or seated with the affected extremity fully extended is position of part for what projection of the ankle ?
AP
What 2 inferior articulation are not shoen in profile or open in an AP projection of the ankle ?
tibiofibular and talofibular articulation
Normal overlapping of the tibofibular articulation with the anterior tubercle slightly superimposed over the fibula is evidence of __ __________ for a AP ANKLE .
Norotation
Talus slightly overlapping the distal fibula is evidence for __ _________ for an AP ANKLE .
norotation
No overlapping of the melleolar articulation shows __ _________ for an AP ANKLE .
norotation
During an AP ANKLE what should be centered to exposure area ?
ankle joint
What joint space is supposed to be seen during an AP ANKLE ?
tibiotalar joint space
What bone in the tarsals is supposed to be seen on a AP ANKLE ?
Talus
What is the collimation for an AP ankle ?
1 inch on the sides of the ankle and 8 inches lengthwise to include the heel .
Where is the CR location for a LAT ANKLE ?
Perpendicular to the ankle joint , entering the medial malllleolus
Dorsiflexion the foot , and adjust it in the lateral position is the POSITION OF PART for what projection of the ankle ?
lateral
What is the COLLIMATION for a LAT ANKLE ?
1 inch on the sides of the ankle and 8 inches lengthwise
When there is evidence of the tibiotalar joint well visualized , with the medial and lateral talar domes superimposed it shows that the ankle is in a ____ ______.
true lateral
When the fibula is over the posterior half of the tibia it shows that the ankle is in a ____ _______.
true lateral
During a LAT ANKLE you should see what bones?
Distaltibia and fibula, talus, calcaneus, and adjacent tarsals
What joint should be centered under the exposure area on an LAT ANKLE ?
anklejoint
Where is the IR centered during a AP OBLIQUE ( MEDIAL ROTATION ) ?
to the ankle joint midway between the malleoli
Where is the CR during a AP OBLIQUE ( MR ) ?
perpendicular to the ankle joint , entering midway between the malleoli
When you see the tibofibular articulation open and the distal tibia and fibula overlap some of the talus it shows what ?
Properrotation45degreesmedially
What sturctures anatomic structures are shown during a AP OBLIQUE ?