Chapter 4 Forearm and Elbow

Forearm Bones _________ ________ Joints Wrist Elbow __________ Distal Proximal

Radius Distal Anatomy _____________ Ulnar Notch Body

Radius Proximal Anatomy Head Neck _____________

Ulna Distal Anatomy ____________ Head Body

Ulna Proximal Anatomy Radial Notch _____________ Coronoid Tubercle Trochlear Notch _______________

Forearm Imaging AP Lateral 40” SID 60+ kV

AP Forearm Arm extended Level with the table Hand supinated Humeral ____________to IR CR to mid forearm ____________ Include wrist and elbow

Lateral Forearm __________________ Level with the table Rotate wrist into lateral CR to mid forearm Collimate Include ____________

Elbow Bones Humerus Distal ________ Proximal __________ Proximal

Distal Humerus Trochlea ______________ Medial _____________ Lateral Epicondyles Medial Lateral

Elbow Fossa Anterior ____________ Coronoid Fossa Posterior ____________

Fat Pads _______________pads of fat Cushion between muscle and bone Can indicate pathology Wrist and Elbow

Wrist Fat Pad _____________ PA and Oblique Lateral to scaphoid and superior to radius __________ Lateral Anterior to radius

Elbow Fat Pads Anterior Lateral Anterior to distal humerus ______________ Not seen on negative images. Seen on lateral on positive images Within olecranon fossa ____________ Lateral Anterior to radius

Elbow Imaging AP Lateral Internal Oblique External Oblique 40” SID 65+ kV

AP Elbow Extend arm level with table _______________ Align epicondyles parallel with IR CR to mid elbow Collimate to skin

Lateral Elbow _______________ Arm level with table CR to mid elbow Collimate Epicondyles should be ____________

Internal Oblique Start in AP ______________ Epicondyles 45˚ to IR CR to mid elbow Collimate to skin _____________process seen in profile

External Oblique Start in AP Externally rotate Epicondyles 45˚ to IR CR to mid elbow Collimate to skin _______________seen in profile