Flashcards in 44: Radiographic Interpretation - Bennett Deck (41)

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1

## which measurements are seen in sagittal plane?

###
- calcaneal inclination angle

- lateral talocalcaneal angle

- talar declination angle

- first metatarsal declination angle

- inter-relationship of radiographic angles and their importance in the interpretation of biomechanical relationships associated with podiatric radiographs

2

## talocalcaneal angle aka

###
angle of kite

- used to evaluate flatfoot deformity

3

## transverse plane angular relationship of the longitudinal bisectors of talus and calcaneus

### talocalcaneal angle

4

## normal talocalcaneal angle values ***

###
0-5 yo: 35-50 degrees

5- adult: 15-35 degrees

5

## STJ pronation ____ the talocalcaneal angle. STJ supination ______ the talocalcaneal angle

###
- increases (everted heel)

- decreases

6

## a measure of the most lateral surface of the cuboid and the calcaneus

###
cuboid abduction angle

- indicative of deformity in the transverse plane

7

## normal cuboid abduction angle

### 0-5 degrees

8

## pronation leads to ________ cuboid abduction angle

### increased

9

## gives relative position of the forefoot to the rearfoot in the transverse plane

###
metatarsus adductus angle

- angle is composed of a bisection of the lesser tarsus and bisection of the second metatarsal

10

## normal metatarsus adductus

### 0-15 degrees

11

## metatarsus primus adductus angle

### - representation of deviation of first met relative to second

12

## normal and adductus metatarssu primus adductus angle

###
normal 8-12

adductus 8-10

13

## evaluation of 1st intermetatarsal angle

###
- evaluation of hallux abducto valgus

- size of measurement will determine type of procedure you choose to do

14

## tibial sesamomid position

###
- change in sesamoid position relative to bisection of first met head

- 7 positions

- position 1-3 are normal

15

## representation of transverse plane position of hallux relative to long axis of the first metatarsal

###
hallux abductus angle

- quantifies the alteral deviation of the hllux in HAV

16

## normal hallux abductus angle

### 10-15 degrees

17

## hallux interphalangeal angle

###
- represents the lateral hallux deviation at the level of the IP joint

- increases in this value produce a lateral curvature of the hallux which become clinically significant

18

## normal hallux interphalangeal angle

### 0-10 degrees

19

## PASA proximal articular set angle

###
- representation of effective cartilage in relation to the shaft of the metatarsal

- bisection of met and line through articular cartilage line

20

## normal PASA

###
7.5 degrees

- increase is pathological and may either add to a structural or combined deformity

21

## normal DASA

### 7.5 degrees

22

## this angle measures the relationship of the effective articulating cartilage of the base of the proximal phalanx

### distal articular set angle DASA

23

## measurement difference in length b/w first and second mets

###
metatarsal protrusion distance

- impacts on the procedure one does fro bunion correction if the 1st met is short (most common)

24

## normal met protrusion distance

### plus minus 2 mm

25

## measurement of sagittal plane position of the clacaneus referenced to the plane of support

### calcaneal inclinationa ngle

26

## normal calcaneal inclination angle

### 18-21 degrees

27

## what decreases and what increases calcaneal inclination angle?

###
- decreased with pes plano valgus

- increased with cavus foot type

28

## a measurement composed of column tali axis and the plane of support

### talar declination angle

29

## normal talar declination

### 21 degrees

30