RadPos

7/6/99

Lower Extremity

Feet

• Medial oblique
• Proximal metatarsal articulations
• Angle towards ankle 10-15° , better view the tarsal

• Lateral
• Cassette on a diagonal
• 10´ 12
• plantar surface is perpendicular to film
• may have to support the knee
• make sure to include the entire the heel and all of the toes
• doesn't matter that there is some 1° beam leak
• no need to filter—almost uniform thickness
• side marker anywhere
• flash is opposite the collimation

• lateral calcaneous

Toes

• standard 2-5
• DP—put foot down and shoot straight through
• Extremity cassette
• lateral oblique—just like foot, big toe up and little toe down, 45°
• medial oblique—little toe up and big toe down
• difficult to get a true lateral

Upper Extremity

Shoulder

• 3 views when primary
• internal rotation
• external rotation
• turn pt slightly for both of these
• glenohumeral joint—grashy shoulder

• will not see AC and glenohumeral joint in one shot
• coracoid process can overlap the glenoid
• Baby arm view
• Abduction, external rotation view
• mid clavicle for CR
• mid line to as far out as you can go
• abduction is the difficult part
• 10´ 12, horizontal
• line on top of the shoulder
• include cervicothoracic jxn

AC

• back flat on bucky
• cephalic tube tilt of 10-15° to see past the scapula
• small technique
• some times it is helpful to evaluate both Left and Right
• evaluate for instability
• weighted AC joints