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