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Anatomy UE Questions > Bones of distal UE > Flashcards

Bones of distal UE Flashcards

1
Q

What are the landmarks of the distal end of the humerus?

A

Trochlea, capitulum, lateral and medial epicondyle, supracondylar ridge, olecranon fossa

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2
Q

What is the trochlea of the humerus?

A

U-shaped end of the medial part of the humerus
(articulates with the trochlear notch of ulna)

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3
Q

What is the capitulum of the humerus?

A

Rounded end of the lateral part of the humerus (articulates with head of the radius)

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4
Q

What is the lateral vs. medial epicondyle of the humerus?

A

Structures just proximal to the capitulum (lateral epicondyle) and trochlea (medial epicondyle)
-attachment sites for forearm muscles

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5
Q

What is the supracondylar ridge of the humerus?

A

Ridge just proximal to the lateral epicondyle (also attachment site for forearm muscles)

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6
Q

What is the olecranon fossa of the humerus?

A

Divot on the back of the distal end of the humerus (olecranon of the ulna fits into this fossa when the arm extends)

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7
Q

What are the landmarks of the proximal ulna?

A

Olecranon and trochlear notch

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8
Q

What are the landmarks of the distal ulna?

A

Head of ulna and styloid process of ulna

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9
Q

What is the olecranon of the proximal ulna?

A

Big bump at the proximal end of the ulna (fits into olecranon fossa)

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10
Q

What is the trochlear notch of the proximal ulna?

A

Concave U-shaped structure that articulates with the trochlea

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11
Q

What is the head of the ulna (distal)?

A

Distal end of ulna = head of ulna

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12
Q

What is the styloid process of the distal ulna?

A

Tiny bump on the distal end of the ulna

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13
Q

What are the landmarks of the proximal radius?

A

Head and neck of radius

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14
Q

What is the landmark of the distal radius?

A

Styloid process of radius

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15
Q

What is the head of the radius (proximal)?

A

Enlarged portion at the proximal end of the radius

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16
Q

What is the neck of the radius (proximal)?

A

Narrowed transition portion just distal to the head of the radius (on the proximal end of the radius)

17
Q

What is the styloid process of the distal radius?

A

Little bump at the distal end of the radius

18
Q

How does the distal end of the ulna differ from the distal end of the radius?

A

distal end of the radius is much wider/larger

**THE HEAD OF THE ULNA IS AT THE DISTAL END

**THE HEAD OF THE RADIUS IS AT THE PROXIMAL END

Radius: lateral bone of forearm
Ulna: medial bone of forearm

19
Q

What carpal bones are in the proximal row?

A

Scaphoid, lunate, triquetrium, pisiform

20
Q

What is the scaphoid?

A

*Most lateral in carpal bone in proximal row (closest to radial side)

21
Q

What is the lunate?

A

Second most lateral carpal bone of the proximal row

22
Q

What is the triquetrium?

A

Second most medial carpal bone of the proximal row

23
Q

What is the pisiform?

A

Carpal bone in the proximal row that “sits like a pebble” on top of the triquetrium

*Most medial (closest to ulnar side)

24
Q

What are the carpal bones of the distal row?

A

Trapezium, trapezoid, capitate, hamate

25
Q

What is the trapezium?

A

*Most lateral carpal bone in the distal row
(closest to radial side)

26
Q

What is the trapezoid?

A

Second most lateral carpal bone in the distal row

27
Q

What is the capitate?

A

Second most medial carpal bone in the distal row

28
Q

What is the hamate?

A

*Most medial carpal bone in the distal row
(closest to ulnar side)

29
Q

What is the hook of the hamate?

A

Arch on the hamate carpal bone (distal row)

30
Q

What are the metacarpals (1-5)?

A

The bones just distal to the carpal bones
*metacarpals 1-5 follow digit numbers

31
Q

What is the 1st digit?

A

Thumb

32
Q

What is the 2nd digit?

A

Pointer finger

33
Q

What is the 3rd digit?

A

Middle finger

34
Q

What is the 4th digit?

A

Ring finger

35
Q

What is the 5th digit?

A

Pinky

36
Q

What are phalanges?

A

Small bones that make up the digits

37
Q

Which digits have a proximal, middle, and distal phalange?

A

Digits 2-5

38
Q

Which digit has a proximal and distal phalange?

A

1st digit (thumb)

Anatomy UE Questions (21 decks)

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