NRA Flashcards
Number of bones in the hand
54
Number of bones in the feet
52
Name the sections of long bones
Epiphys, diaphysis, metaphysis
Types of bones
Long, short (carpal tarsals), flat(skull,ribs), irregular, sesmoid
ABCDs
Asymmetry Bone Characteristics Distribution Soft tissue
Name the radiographic densities
Air (black) Fat (dark grey) Water (light grey) Bone (white) Metal
What is special about the PA view of the wrist
Can see an overlap between trapezium and trapezoid
Recognize a medial oblique wrist
No overlap between trape1 and trape2
Best to evaluate 1. Carpometacarpal j.
Lateral view
3rd metacarpal, capitate, lunate and radius straight line Rubber ducky (S,L,T)
Estimate the persons age from visual trapeziod and schapoid but no pisiform
6 years old
Name the accessory views of the wrist
PA ulna deviation (S)
Ballcatcher’s (P)
Name normal variations in wrist
Carpal coalition Os styloideum Neg. ulna variance Madelung's deformity Schapoid tubercle
What is shortening of one or more metacarpals called
Brachymetacarpy
What is Kirner deformaty
Distal claw-like deformaty of the phalanx.
Name the characteristics of Marfane syndrome
Unusually thin digits
Genetic disorder affecting connective tissue
Normal variants of hand
Nutrient channels Cortical thickness of metacarpals Phalangeal ridges Polydactaly Syndactaly Brachymetacarpy Symphalangism Sesamoid bones Thumb duplication/triphalangeal thumb
Order of appering ossification elbow
Capitellum 1 year Radial head 3-6 Internal (medial) epicondyle 5-7 Trochlea 9-10 Olecranon 6-10 Lateral 10-13
At what age should elbow ossification be completed with all structures
13 y
Child age 7. Name structures developed in elbow following normal critae
Capitellum
Radial head
Maybe medial epicondyle
Child age 10. Name developed bones in elbow
Capitellum Radial head Medial epicondyle Trochlea Olecranon (age 6) Lateral epicondyle ?
Name the joints in the elbow
Radio-capitellar joint
Proxial radioulnar joint
Trochlear ulnar articulation