Questions 2 to 5 pertain to the AP projection.

Rotation of the arm

What positioning maneuver should be avoided if the patient possibly has a fractured humerus or dislocation of the scapulohumeral joint?

Suspended

For AP projections, the patient's respiration should be _.

Rotation and placement Of the humerus

What positioning maneuver causes the appearance of these three images to be different?

Fig. 6.6

Which image shows the humerus in external rotation?

Fig. 6.6

Which image was obtained by positioning the hu-neral epicondyles parallel to the IR?

Fig 6.8

Which image shows the humerus in intemal rotation?

Fig. 6.7

Which image shows the humerus in neutral rotation?

Fig. 6.7

Which image was obtained by positioning the hu-meral epicondyles at an angle of approximately 45 degrees with the IR?

Fig 6.8

Which image was obtained by positioning the hu-meral epicondyles perpendicular to the IR?

Fig. 6.6

Which image shows the greater tubercle in profile on the lateral aspect of the humerus?

Fig 6.8

Which image shows the lesser tubercle in profile and pointing medially?

Fig 6.6

Which image shows the outline of the lesser tubercle between the humeral head and the greater tubercle?

Fig. 6.6 AP shoulder.

Fig. 6.7 AP shoulder.

Fig. 6.8 AP shoulder.