BIOMECH EVAL ANGLES

Question 1

intermetatarsal angle IM 1-2?

metatarsus primus adductus angle; where is this looked at?

Answer 1

0-8 degrees

hallux valgus

Question 2

intermetatarsal angle IM 4-5?

looked at?

Answer 2

up to 8 degrees

tailors bunion

Question 3

intermetatarsal angle IM 2-5?

looked at?

Answer 3

16 +/- 4 degrees

splay foot

Question 4

hallux abductus angle?

Answer 4

0-15 degrees

Question 5

hallux interphalangeus angle (HIP)?

Answer 5

0-12 degrees

Question 6

metatarsal break angle?

Answer 6

142 +/- 5 degrees

Question 7

normal values for metatarsal protrusion distance?

*+4 indicates

Answer 7

+/- 2 mm

if 1st is longer than 2nd = positive relationship

if 1st is shorter than 2nd = negative relationship

*very elevated

Question 8

distal articular set angle?

Answer 8

0-7 degrees

Question 9

lateral deviation angle?

Answer 9

0-7 degrees

Question 10

what is the midfoot angle

normal metatarsus adductus angle?

ideal adult foot?

newborns?

Answer 10

0-15 is normal

8 degree

35 degrees then decreases around 5-6

Question 11

what is the mid foot angle

Engels metadductus angle normal?

Answer 11

0-18 degree

Question 12

what is the rearfoot angle

normal talonavicular angle

Answer 12

70 +/-10 degrees

Question 13

what is the rearfoot angle

normal talocalcaneal angle

Answer 13

17-21 degrees

Question 14

what is the rearfoot angle

normal cuboid abduction angle

Answer 14

0-5 degrees

Question 15

what is the rearfoot angle

normal talocuboid angle

Answer 15

31 +/- 3 degrees

Question 16

percent articulation of the talus (T-N articulation) for normal rectus foot?

w/ CKC pronation (talus adducts)

w/ CKC supination (talus abducts)

Answer 16

70%

55%

100%