Anatomy & Positioning I Lecture 7 quiz 3 prep
What are the articles necessary for imaging the Hand?
1 (10X12) Image Receptor Lead Strips to divide cassette - will perform more than one exposure on one Image Receptor Gonadal Shielding Markers Radiolucent Angle Sponge for the Oblique Position Chair or stool placed at the end of the table
How many Phalanges are there in each hand?
14 Phalanges
The true saddle joint is also called ______.
1st Carpometacarpal Joint
The 1st digit has ____ Phalanges.
2
The 2nd - 5th digits have ___ joints between the phalanges.
2
How many bones in the hand and wrist
27
The 2nd-5th digits have ____ Phalanges.
3
How many bones to form the palm?
5 Metacarpals
What do you set Manual Exposure Factors for a Hand?
50-60 kV 1.5-3 mAs (depands upon Analog or Computed Radiography imaging) Small Focal Spot
How many Carpal Bones form the wrist?
8
How many bones to form the wrist?
8 Carpals
On the posterior lateral surface of the wrist (Thumb side), is a triangular depression seen when thumb is abducted and extended. This is called
Anatomical Snuff Box
What are the Routine Projections for the 1st Digit (Thumb)
Anteroposterior (AP) or Posteroanterior (PA) 45 Degree Oblique Lateral
What is it called when there are no joints between finger bones (bone on bone)?
Arthritis
The Wrist Joint Proper is a Synovial Joint enveloped in a(n)
Articular Capsule
The Wrist Joint Proper is formed by the
Base of the Radius, Scaphoid/Navicular and Lunate/Semilunar
Ligaments connect
Bone to bone or Cartlage to Bone
Carpal bones are composed of ______bone with a covering of _____ bone and held together by _____.
Cancellous - Compact - Ligaments
What is the Largest carpal bone?
Capitate/Os Magnum
The Posterior surface of the carpal bones is called
Carpal Bridge
Carpal Tunnel is also called
Carpal Sulus or Carpal Canal
What are CM Joints?
Carpometacarpal
What are the 5 things to do for Equipment Preparation for the hand?
Clean & Straighten room Tube vertical at end of the table 40 inch SID to the Table Top Check request for special considerations, ie. foreign body localization, FX F/U Set Manual Exposure Factors
Carpal Tunnel Syndrome is a condition in which the Median Nerves are
Compressed by Ligaments and Bones
The Anterior or palmer surface of the Carpal bones is ____ and is called the
Concave - Carpal Tunnel
The MP Joints are classified as ______ Joints
Condyloid
The Wrist Joint Proper is classified as a ____ Joint.
Condyloid
The Posterior surface of the carpal bones is
Convex
Sometimes the 1st Carpalmetacarpal joint is also classified as a
Diarthroidal - Saddle Joint (Ab-Add, Flex-Extend, Circumvent)
The Fingers are the most ______ bones of the hand.
Distal
What row articulates with metacarpals?
Distal
What are the names of the Phalanges is the 1st digit?
Distal & Proximal
The Metacarpals articulate with Phalanges at the metacarpals _____ end.
Distal (Head)
The Metacarpals articulate with the ______ row of carpal bones to form the ________ Joints.
Distal - Carpometacarpal
Which Joint is closest to the fingernail?
Distal IP Joint
What are the joints between the phalanges of the 2nd - 5th digits?
Distal Interphalangeal Joint & Proximal Interphalangeal Joint
What are the names of the Phalanges in the 2nd - 5th digits?
Distal, Middle, & Proximal
Hinge Joints allow for _______ & _________ Movements
Flexion and Extension
Name the 4 movements of the Wrist Joint Proper.
Flexion, Extension, Abduction & Adduction
The movements of the Saddle Joint allowed are:
Flexion, Extension, Abduction, Adduction & Circumduction
Condyloid Joints allow for Which movements.
Flexion, extension, adduction & abduction
The 2nd - 5th Capometacarpal Joints are considered ______ Joints
Gliding
The Intercarpal Joints are classified as _____ Joints.
Gliding
Trapezium is also referred to as
Greater Meltangular
What do you do for patient preparation?
Greet patient and explain the procedure Question female patient's about the possibility of pregnancy Remove jewelry from part (including watch) Remove clothing from extremity if necessary DO NOT remove splint/sling unless authorized to do so. (DR Okay or patient has been removing on their own)
What has a distinguishable hook-like process?
Hamate (Unciform)
Hamate has a distinguishable hook-like process called the
Hamular Process or Hook of Hamate
The Distal Radioulnar PIVOT Joint is formed by the:
Head of the Ulna Ulnar Notch of the Radius
The reason Long bones are considered "Long Bones" is because they each have a:
Head, Neck, Shaft & Base
The Distal Interphalangeal Joint is considered a(n) _______ Joint
Hinge
The Proximal Interphalangeal Joint is considered a(n) _____ Joint
Hinge
What is the Joint called between the phalanges on the Thumb?
Interphalangeal Joint of the 1st Digit
Describe what the Distal Phalanx looks like.
It has a flattened, spatula appearance. A rough, rounded rim for insertion of the finger nail.
Trapezoid is also referred to as
Lesser Multangular
Metacarpals are considered ______ Bones.
Long
Phalanges are considered _____ Bones.
Long
What do you have to do when a patient has a foreign bodies?
Lower mAs
What is part of the Wrist Joint Proper?
Lunate (Semilunar)
Which Joint is the knuckle joint?
MP Joint
Passing through the Carpal Tunnel is the _____and Tendons of the ____of the digits.
Median Nerve / Flexor Muscles
The 1st Carpometacarpal joint is formed by the 1st ______ and the ______ bone
Metacarpal - Trapezium/Greater Multangular
The 3rd CM Joint are formed by the
Metacarpal and Capitate/Os Magnum
The 2nd CM Joint are formed by the
Metacarpal and Trapezoid/Lesser Multangular
What are the bones of the palm of the hand?
Metacarpals
The 4th & 5th CM Joint are formed by the
Metacarpals and Hamate/unciform
What are MP Joints?
Metacarpophalangeal Joints
The Scaphoid is also referred to as:
Navicular
Tenderness in the Anatomical Snuff Box is indicative of a fractured
Navicular/Scaphoid
Capitate is also referred to as
Os Magnum
What is the singular word for Phalanges?
Phalanx
_____ is the smallest Carpal bone.
Pisiform
The Distal and Proximal Radioulnar Joints are ____ Joints
Pivot
What are the Routine Projections for the 2nd - 5th Digits
Posteroanterior (PA) 45 Degree Oblique Lateral
What are the Routine Projections for the Hand
Posteroanterior (PA) 45 Degree Semi-pronated Oblique Lateral - With Fingers Fanned
What row articulates with Radius to form the Wrist Joint?
Proximal
The Carpal bones articulate with Metacarpals at the Metacarpals_____ end.
Proximal (Base)
Which Joint is in the middle of the finger?
Proximal IP Joint
Wrist Joint Proper is strengthened by the
Radial Collateral Ligament and the Ulnar collateral
Carpal Tunnel Syndrome is caused by
Repetitive movements or from over use
What fractures easily and is difficult to heal due to its poor blood supply?
Scaphoid (Navicular)
The Anatomical Snuff Box depression overlies the
Scaphoid/Navicular and Radial Artery
Name the order of the Proximal Row of Carpal Bones (from Lateral to Medial in the True Anatomical Position)
Scaphoid/Navicular, Lunate/Semilunar, Triquetrum/Triangular or cuneiform & Pisiform
Lunate is also referred to as:
Semilunar
Carpals are considered ______ Bones.
Short
The bones that form the wrist are classified as ______ Bones.
Short bones
The Distal and Proximal Radioulnar Joints allow ____ and ____ movements in the hand.
Supination and Pronation
What are the symptoms of Carpal Tunnel Syndrome?
The Patient experiences pain, burning and a tingling sensation of the hands, radiating to the forearm.
The carpal bones fit closely together into two
Transverse Rows
Name the order of the Disatal Row of Carpal Bones (from Lateral to Medial in the True Anatomical Position)
Trapezium/Greater Meltangular, Trapezoid/Lesser Multangular, Capitate/Os Magnum, Hamate/Unciform
The ____ forms the Saddle Joint with the 1st Metacarpal.
Trapezium/Greater Multangular
Triangular/Triquetrum is also referred to as:
Triquetral or Cuneiform
Carpal bone that articulates with the base of the Radius when the hand is in a PA position with Ulnar Flexion.
Triquetrum/Triangular or Cuneiform
The Pisiform rests on top of the
Triquetrum/Triangular or Cunieform
The first CM Joint is the ____ _____ joint in the body.
True Saddle
Hamate is also referred to as
Unciform
What do you need to do a PA Projection of the Finger?
Use an 10X12 Image Receptor crosswise divided into thirds with lead strips Seat the patient at the end of the table Rest the patient's forearm on the table, with the affected Finger on 1/3rd of the Image Receptor, Palm Down. The Hand is pronated
Arthrogram -demonstrates the soft tissue structures of the Wrist when performed with what kind of contrast medium.
Water-soluble Iodinated