Describe the Olecronon Process
Proximal portion of the trochlear notch
Describe the Corinoid Process
More Distal and lower portion of the trochlear notch
Describe the Radial notch
Deppression located at the lateral aspect of the corinoid process
Is the ulna styloid process proximal or distal?
Describe the radial Tuberosity
Rough prominence on the medial side of the radius
Describe the Radial styloid process
Conic projection on lateral surface and is Distal.
Define Short bones
Red marrow, and Limited Flextion
Give an example of Short bones
Describe Sesmoid bones
Small and oval, develope inside and around tendons
Give an example of a Sesmoid bone
What two carpal bones lie just under the third metacarpal?
capitate and Lunate
What are he 3 bones that lie just under the 4th and 5th phalangies?
Pisiform, triquertium, hamate
how many carpal bones are there?
The head of the radius (Proximal) articulates with _________ of the ulna?
Radial notch of the ulna
The trochlea of the Humerus articulates with ___________ in the elbow joint?
Ulna trochlear notch
The Lunate articulates with what?
Proximaly to the radius
The triquetrium articulates anteriorly with ?
What bone articulates with the base of the 3rd metacarpal?
Radioulna articulates both distal and proximal with what type of joint?
Synovial Pivot Joint
What does the Distal Ulna articulate with?
The ulna notch of the distal radius
The proximal head of the radius articulates with what 2 articulation points??
The radial notch of the ulna and the capitulum of the humerus.
For digits 2-5, where should the CR be positioned ?
Perpendicular to the PIP joint of the affected digit.
For a PA projection of the hand, where should the CR be positioned?
Perpendicular to the third MCP joint.
For a AP projection of the 1st digit, where should the CR be positioned?
Perpendicular to the MCP joint.
Where is the CR positioned for a PA Oblique projection of the hand?
Perpendicular to he 3rd MCP joint.
For a fan Lateral, where should the CR be positioned when taking a lateral projection of the hand?
Perpendicular to the 2nd digit MCP joint.
Why do we flex the digits for a wrist X-ray?
To get the part closer to the IR.
What is a Tuburcle used for?
give an example of a saddle joint
Give an example of a gliding joint
The intercarpal joints of the carpal bones
The interphalangeal joint's are an example of what kind of joint?
The smallest bone in the proximal row of the metacarpals is what?
The largest bone in the proximal row is what?
Where is the CR located for an X-ray of the 1st digit?
Perpendicular to the MCP joint.
What is best deomonstrated on an extension lateral of the hand?
foreign body's and fractures of the metacarpal bones
Describe a commonuted fracture...
A broken bone that is crushed and splintered into pieces.
A break on one side of the bone wile the other side is bent.
Green Stick fracture
The Olecronon fossa is on what bone?
Distal end of the Humerous
What is the optimal kVp for an extremity?
What position is the 1st digit in when the hand is in a PA projection?
The 1st digit is obliqued
For the ball catcher's position what position best describes the hands?
A.) Semi Supinated, 45 degree rotation
AP oblique of the wrist best demonstrates what bone (s) ?
Pisiform remember its " AP "
What does a PA forarm do to the ulna and Radious?
how can you tell if a PA forarm is correctly positoined?
The ulna and Radiious are not crossed over in a CORRECTLY positioned forarm.
What is the number of phalangies in the hand?