Rad Positioning - Upper Limb Full Deck Flashcards
4 Upper limb structures
Hand & wrist
Forearm
Humerus
Shoulder girdle
Area below head of bone is called ____
Neck
Number of phalanges
14
Nerve that passes thru carpal canal
Median nerve
Tendon that passes thru carpal canal
Flexor tendon
Compression of median nerve is referred to as _____
Carpal Tunnel Syndrome
4 Carpal bones in proximal row
Scaphoid
Lunate
Triquetrum
Pisiform
4 Carpal bones in distal row
Trapezium
Trapezoid
Capitate
Hamate
3 Carpal bones seen in lateral view
Scaphoid
Lunate
Trapezium
1st metacarpal articulates with ____ carpal bone
trapezium
2nd metacarpal articulates with ____ carpal bone
trapezoid
3rd metacarpal articulates with ____ carpal bone
capitate
4th & 5th metacarpal articulates with ____ carpal bone
hamate
Which carpal bones articulates with radius?
Scaphoid
Lunate
Proximal process of ulna
Olecranon process
Anterior & slightly inferior concavity formed by olecranon process
Trochlear notch
Radius - head, neck, radial tuberosity located at proximal or distal end?
Proximal end
Radial styloid process & ulnar notch located at proximal or distal end?
Distal end
What is found on proximal end of radius?
Head
Neck
Radial tuberosity
What is found on distal end of radius?
Radial styloid process
Ulnar notch
Ulna - head and ulnar styloid process located at proximal or distal end?
Distal end
Ulna -
Radial head articulates with ____ on ulna
Radial notch
Radial tuberosity
Roughened process just inferior to the neck on medial side
Radial styloid process
Conic projection on lateral surface of distal end
2 Processes on proximal end of ulna
Olecranon process
Coronoid process
Olecranon
Forms proximal portion of trochlear notch
Coronoid
Forms distal portion of trochlear notch
Radial notch
Depression on lateral aspect of coronoid process of ulna
Articulates with radius head
Ulnar notch
Depression on distal end of radius
Articulates with ulnar head
Ulnar styloid process
Conic projection on posteromedial side on distal end
Bursitis
Inflammation of bursae (fluid-filled sacs enclosing the joint)
Barton fracture
Fracture & dislocation of posterior lip of distal radius involving wrist joint
Bennett fracture
Fracture of base of 1st metacarpal extending into CMC joint
Boxer fracture
Transverse fracture extending thru metacarpal neck
Most common in 5th metacarpal
Colles fracture
Transverse fracture of distal radius
Distal fragment is displaced posteriorly
Smith fracture
Transverse fracture of distal radius
Distal fragment is displaced anteriorly
Joint effusion
Accumulated fluid in joint cavity
Swelling due to fracture, dislocation, soft tissue damage or inflammation
Osteoarthritis
aka Degenerative Joint Disease (DJD)
Noninflammatory joint disease
Gradual deterioration of articular cartilage
Hypertrophic bone formation
Osteomyelitis
Localized infection of bone/ bone marrow
Caused by bacteria introduced by trauma/surgery
Osteopetrosis
Hereditary disease
Abnormally dense bone
aka Marble Bone
Paget disease
Common chronic skeletal disease
Bone destruction followed by repair of dense & soft bones that fracture easily
Most common in men over 40
Rheumatoid arthritis
Chronic systemic disease
Inflammatory changes in connective tissues
3x more common in women than men
Skier’s thumb
Sprain/tear of ulnar collateral ligament of thumb near MCP joint of hyperextended thumb
Wrist joint is called the ____ joint
Radiocarpal joint
Type of joint - Radiocarpal joint?
Ellipsoidal (condyloid)
Type of joint - Wrist joint?
Ellipsoidal (condyloid)
Type of joint - Intercarpal joint?
Plane (gliding)
Type of joint - Interphalangeal joint?
Ginglymus (hinge)
Type of joint - Metacarpophalangeal joint?
Ellipsoidal (condyloid)
Type of joint - Carpometacarpal joint of 1st digit?
Saddle (sellar)
Type of joint - Carpometacarpal joints of 2nd to 5th digits?
Plane (gliding)
Type of joint - Proximal: radioulnar joint?
Pivot (trochoidal)
Type of joint - elbow joint?
Ginglymus (hinge)
Elbow joint is called the ____ and ____ joint
humeroulnar and humeroradial
Subluxation
Partial dislocation
Sprain
Rupture or tearing of connective tissue
Simple fracture
Closed fracture
Compound fracture
Open fracture
Breaks thru skin
Comminuted fracture
Splintered or crushed fracture
Impacted fracture
Fragments driven into each other
CR location of AP thumb
First MCP joint
CR location of PA thumb
First MCP joint
Modified Robert’s - CR location of AP thumb & angulation
First CMC joint
15 degrees toward wrist
PA Stress projection (Folio method)
Bilateral stress projection for possible ulnar collateral ligament injury
PA Oblique Wrist - which carpal bone is seen in its entirety?
Trapezium
Gaynor Hart projection
CR - 25-30 degrees to long axis of hand
Rotate hand & wrist 10 degrees toward radius
Pisiform & hamate separated
Scaphoid in profile
Demonstrates carpal canal
Trauma Axial Lateromedial projection is aka ____
Coyle Method
Coyle Method
90 degrees flexion
CR - 45 degrees to shoulder
For radial head
80 degrees flexion
CR - 45 degrees away from shoulder
For coronoid process
Which projection best demonstrates a Bennett’s fracture?
AP Axial projection (Modified Robert’s Method)
CR angle for Modified Robert’s Method?
15 degrees proximally to wrist
CR angle for Gaynor-Hart Method?
25-30 degrees
Osteoarthritis
DJD disease
Non-inflammatory
Gradual deterioration of articular cartilage
Osteomyelitis
Infection of bone or bone marrow
Osteoporosis
Reduction in quantity of bone
Ballcatcher’s position is used to evaluate ___
arthritis
Ulnar Deviation projection (Scaphoid projection)
CR to scaphoid
10-15 degrees proximally along long axis of forearm toward elbow
Posterior fat pad location
Olecranon fossa
Anterior fat pad location
Coronoid & radial fossae
Supinator fat stripe location
Anterior to proximal radius
Fat pads/stripes in elbow are only visualized on ___ projection
lateral
CR location for Folio Method
Midway between MCP joints