Week 5 - Digits / Hand (Upper Extremities)

Question 1

How many phalanges on each hand?

Answer 1

14

Question 2

How many metacarpals on each hand?

Answer 2

5

Question 3

How many carpals on each hand?

Answer 3

8

Question 4

what class. of bone is metacarpals?

Answer 4

Long

Question 5

what class. of bone is carpals?

Answer 5

short

Question 6

Digits 2-5: PA

Answer 6

PP: extend hand; palms down
SS: PA proj of digits
CR: Perp to PIP Joint

Question 7

Digits 2-5: Lateral (ML or LM)

Answer 7

PP: seperate digits from others
- 2nd - 3rd digit: lateral surface on IR
-4th - 5th: medial surface on IR

SS: Lat. Proj of affected digi.

CR: Perp. to PIP Joint

Question 8

Digits 2-5: PA Obl. (Lat Rotation)

Answer 8

PP: - 45 degrees
SS: PA oblq of bones and soft tissues
CR: Perp PIP Joint of affected dig.

Question 9

Thumb: AP

Answer 9

PP: -
SS: AP Proj. of thum
CR: Perp to MCP Joint

Question 10

Thumb: Lateral

Answer 10

PP: True lateral
SS: Lat proj. of thumb
CR: Perp to MCP Joint

Question 11

Thumb: PA oblq.

Answer 11

PP: PA w/ thumb on lat side 45 degrees
SS: Oblq. proj. of thumb
CR: Perp @ MCP Joint

Question 12

Hand: PA

Answer 12

PP: -
SS: Thumb, metacarpals, distal ulna & radius
CR: Perp @ 3rd MCP Joint

Question 13

Hand: PA Oblq.

Answer 13

PP: Palms down, 45 degrees
SS: Oblq of bones and soft tissues
CR: Perp @ 3rd MCP

Question 14

Hand: Lateral (LM or ML)

• Lateral
  -Fan Lateral

Answer 14

PP: -
SS:
-Lateral: foreign bodies
-Fan Lateral: R/O Fx.

CR: Perp @ 2nd MCP joint