Forearm and Elbow

1
Chapter 5

• Forearm and Elbow

2
Forearm

• Bones
• _________________
• Lateral
• ______________
• Medial
• Joints
• Wrist
• _____________
• Elbow
• _____________

3
Radius AnatomyDistal

• _____________
• Distal conical projection
• _____________
• Depression for head of Ulna
• Body (Shaft)

4
Radius AnatomyProximal

• _______________
• Biceps tendon attachment
• Neck
• __________

5
Ulna AnatomyDistal

• ________________
• Distal Conical projection
• Head
• Body (Shaft)

6
Ulna AnatomyProximal

• _______________
• Depression for radial head
• ______________
• Distal portion of elbow cup
• _______________
• Opposite to radial notch off coronoid process

7
Ulna AnatomyProximal

• _____________
• Depression making up the elbow with the Humerus
• ______________
• Proximal portion of elbow cup

8
Forearm Imaging

• Routine
• AP
• Lateral
• 40SID
• 60 kVp

9
AP Forearm

• Have patient sit so when arm is ________ it is
  ___________ with the table
• ____________ hand
• Align _________________with cassette
• Center to mid forearm. Collimate laterally to
  skin
• Make sure _______________are included

10
Lateral Forearm

• Flex ________________
• Align _________________to film
• Sit pt. so _______________with the table
• Make sure wrist and elbow are on the cassette
• Center to mid forearm
• Collimate to skin

11
Elbow

• Bones
• Distal __________
• Proximal ______________
• Proximal __________
• Ginglymus (Hinge) Joint

12
Distal HumerusMedial Condyle

• _________________
• ___________ articulating process
• Articulates with Ulna
• ______________
• Trochlear _____________
• Depressed center groove

13
Distal HumerusLateral Condyle

• _________________
• Lateral articulating process
• Articulates with ___________-
• Head

14
Epicondyles

• Lateral _______________
• Lateral projection superior to capitulum
• Medial _______________
• Medial projection superior to trochlea
• Larger than lateral

15
Elbow Fossa Distal Humerus

• Anterior
• _______________
• When elbow is flexed radial head slides into.
• ______________
• When elbow is flexed coronoid process slides
  into.
• Posterior
• _______________
• When elbow is extended olecranon process
  slides into

16
Fat Pads

• _________________ Pads of fat
• Can be indicator of joint problems such as fx if
  displaced or distorted
• Located in the ______________

17
Wrist Fat Pads

• _________________
• Seen on PA and Oblique
• Just lateral to scaphoid / superior to radius
• ________________
• Seen on Lateral
• Anterior to Radius

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Elbow Fat Pads

• __________________
• Seen on lateral
• Anterior to distal Humerus
• __________________
• Generally ________________radiograph
• Deep within olecranon fossa
• ________________
• Seen on lateral
• Anterior to radius

19
Elbow Imaging

• Routine
• AP
• Lateral
• Internal Oblique
• External Oblique
• 40 SID
• 65 kVp

20
AP Elbow

• Supinate Hand and ____________
• Sit patient so when arm is extended it is level
  with the table
• Align ________________with cassette
• Center to mid elbow
• Collimate to skin

21
Lateral Elbow

• Flex _____________and position _____ into true
  lateral
• Sit pt so when bent arm is extended, humerus is
  level with the table
• Center to mid elbow
• Collimate to elbow joint
• _____________ should be superimposed.

22
Internal Oblique Elbow

• Extend arm as in AP
• Pt arm should be level with table
• ________________
• _____________________
• Center to mid elbow. Collimate to skin
• Done for __________________process

23
External Oblique Elbow

• Extend arm as in AP
• Pt arm should be level with table
• Lean pt laterally and rotate arm
• ___________________
• Center at mid elbow. Collimate to skin
• Done _________________________