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extremities ch. 5
hands
89
Medical
Undergraduate 2
07/28/2008

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Cards

Term
How many bones are in each hand and wrist?
Definition
27 bones
Term
How many phalanges are in each hand?
Definition
14
Term
How mand metacarpals are in each hand?
Definition
5
Term
How many carpals and in each hand and wrist?
Definition
8
Term
Each finger is called a?
Definition
digit
Term

Each digit had how many phalanges?

Definition
3
Term
what is singular for phalanges?
Definition
phalanx
Term
Where do you start counting?
Definition
Thumb
Term
How many phalanges does the thumb have?
Definition

2- proximal and distal

Term

Each phalanx is broken up into .....?

Definition
Head , body and base
Term

What are metacarpals?

Definition
Bones of the palm
Term
Each metacarpal is broken up into a ....?
Definition
Head , body and a base
Term
The base of the metacarpals articulates with what?
Definition
Carpals
Term

What is the joint b/t the phalanges of the first digit?

Definition

IP joint ( Interphalangeal)

Term
What is the joint b/t the 1st metacarpal and the proximal phalanx?
Definition
1st MCP joint
Term
When radiographing the thumb , the _____ must be included?
Definition
1st metacarpal
Term
The 2nd through the 5th had what three joints?
Definition
DIP, PIP, and MCP joints
Term
Proximally, the metacarpals articulate with the carpals at which joint?
Definition
CMC joints
Term
The 1st metacarpal articulates with what?
Definition
trapezium
Term
The 2nd MC articulates with what?
Definition
trapezoid
Term
The 3rd MC articualates with what?
Definition
capitate
Term
the fourth and the fifth MC articulates with the what?
Definition
hamate
Term

What are the 4 bones in the proximal row of the carpals?

Definition

scaphoid

lunate

triquetrum

pisiform

Term
What are the 4 bones in the distal row of the carpals?
Definition

trapezium

trapezoid

capitate

hamate

Term

You can find your scaphoid how?

Definition

Starting of the lateral thumb side

Term
What is the largest carpal in the proximal row?
Definition
Scaphoid
Term
The scaphoid articulates with the radius how?
Definition
proximally
Term
What is the most frequently fractured carpal?
Definition
Scaphoid
Term
The Lunate articulates with what bone?
Definition
radius
Term
What is the smallest carpal?
Definition
Pisiform
Term
The pisiform is found anterior to what?
Definition
Triquetrum
Term
What is the smallest bone in the distal row?
Definition

trapezoid

Term

What is the largest bone of the carpals?

Definition
capitate
Term
What bone has a "hooklike" process called the hamulus projexting from the palmar surface?
Definition
hamate
Term
What saying will help you remember the bones of the carpals?
Definition

Sellers

left

the

party

to

take

Cruz

home

Term
Is the radius lateral or medial?
Definition
lateral
Term

Is the ulna lateral or medial?

Definition
medial
Term
The radius and the ulna articulate with eachother at what two joints?
Definition

proximal radioulnar joint

and

distal radioulnar joint

Term
Where are the styloid process located?
Definition

at the DISTAL ends of both the radius and ulna

Term
The ulna notch is located where?
Definition

On the medial aspect of the radius.

( the head of the ulna fits here)

Term
The distal radioulnar joint is formed by the articulating b/t what two things?
Definition

ulnar head

and

ulnar notch of the radius

Term
The radius head and the radial notch of the ulnar forms what joint?
Definition

Proximal radioulnar joint

Term
the head of the ulna is located where?
Definition
At the distal end of the ulna
Term
The head of the radius is loacted where?
Definition

At the proximal end of the radius

Term

which is shorter?: radius or ulna?

Definition
radius
Term
The radius is the only one directly involved is what joint?
Definition
wrist
Term
During pronation, the radius roates around the what?
Definition
 The ulna at the upper third of the forearm
Term

What 3 things are at the proximal end of the radius?

Definition

Head

Neck

Radial tuberosity

Term
The ulna is primarily involved in what joint?
Definition
elbow joint
Term
what are the 2 beaklike process of the ulna?
Definition

olecranon process

and

coronoid process

Term
The large concave depression articulating with the distal humerus is the what?
Definition
Trochlear notch or semilunar notch
Term
The radial notch is located on the lateral side of the what?
Definition

proximal ulna

 

(This is where the head of the radius articualates with the ulna)

Term
The expanded end of the distal humerus is the what?
Definition
humeral condyle
Term

Is the trochlea medial or lateral?

Definition
Medial
Term
The trochlea articualates with the ulna and has a groove in the center called what?
Definition
Trochlear sulcus( groove)
Term
The Capitulum is lateral and articulates with what?
Definition
the head of the radius
Term
The lateral epicondyle is of the _____ portion of the ______ humerus
Definition

lateral

distal

Term

The Medial epicondyle is on the _____ side and is more_______.

Definition

medial

Prominent

Term
What are the two anterior depressions on the distal humerous?
Definition
coronoid fossa and the radial fossa
Term
The posterior depression of the humerous is the what?
Definition
olecranon fossa
Term
On the proximal humerus is a rounded head , below and lateral to the head is the what?
Definition
anatomic neck
Term
The lesser tubercle is located where?
Definition
anterior in anatomical postion
Term
The greater tubercle is located where?
Definition
lateral in anatomical postion
Term
what is the groove called that is in b/t the lesser and the greater tubercle?
Definition

Intertubercular groove

 or

 the bicipital groove

Term

Below the tubercles and the head is the what?

 

 

Definition

Surgical neck

Term
where is the site for the most humeral fxs?
Definition
surgical neck
Term
The deltoid tuberosity is on the _______ surface.
Definition

Anterolateral

( site for deltoid muscle attachment)

Term
All joints are classified as what?
Definition
synovial
Term
The mobility type is what?
Definition
diarthrodial ( freely moveable)
Term

The IP joints are..?

Definition

Ginglymus

or

hinge

Term
gingylmus or hinge allow what?
Definition
only flexion and extension
Term
The MCP joints are
Definition
ellipsoidal or condyloid
Term
ellipsoidal or condyloid allow only..?
Definition
flexion, extension, adduction abduction, circumduction,oppostion and rotation
Term
The 2nd through the 5th are...?
Definition
plane or gliding type
Term
The intercarpal joints are ...?
Definition
plane or gliding type
Term
The wrist joint is ...?
Definition
ellipsoidal or condyloid type
Term
What does the radiocarpal joint consist of?
Definition
The Scaphoid, lunate and the radius
Term

what type is the elbow joint?

Definition
ginglymus hinge-type with flexion and extension
Term
In Ulnar deviation ( scaphoid projection) this opens up the what?
Definition
radial side of the wrist
Term
Radial deviation demonstrates what?
Definition
the ulnar side of the wrist
Term

Elbow roation

a lateral (external ) roation seperates the what?

Definition
Radius and the Ulna
Term

Elbow rotation

a Medial rotation does what....

Definition
crosses them over( radius crosses over the ulna)
Term
In AP the radius and the ulna are what?
Definition
partially superimposed
Term
A visualized fat pad may indicate what?
Definition

Trauma

Term
Fat pads can only be visualizes during what?
Definition
A true 90 degree lateral elbow
Term
patient must be seated...?
Definition
Sideways ( away from scatter )
Term

Casts

small the medium plaster cast

Definition
+5-7 kV
Term

Casts

Larger plaster cast

Definition
+ 8-10 kV
Term

Casts

Fiberglass casts

Definition
+3-4 kV
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