POSI DIGITS

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Last updated 2:41 PM on 8/25/26

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16 Terms

1

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Thumb PA

1st PIPJ

2

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Finger Lateral

PIPJ

3

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Finger PA

4

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Finger PA oblique

5

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Thumb AP

6

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Robert Central Ray

CR: 1st CMC joint

7

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Lewis Modification central ray

CR: MCP ( 10 degrees - 15 degrees)

8

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Long and Ruffert Central Ray

CR: CMC joint ( 15 degrees )

9

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AP projection: Burman Method

CR: 45 degrees CMCJ ( 18inch SID to magnify concavo aspect of joint)

10

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PA projection: Folio Method

Skiers thumb, gamekeepers thumb

11

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PA oblique projection

Sign of money

12

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Kallen

Tangential

13

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Lateral Projection: Hand Fan Lateral

PIPJ

14

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Lateral Projection: Hand Lateral in Flexion

15

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Norgaard Method ( ball catcher )

16

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Brewerton Method

60 degrees