biomechanics Flashcards
1
Q
axis orientation of ankle joint
A
10 degrees inclinination in frontal plane 20-30 in transverse
2
Q
What resists inversion? eversion
A
cervical, interosseous ligament
3
Q
midtarsal joint oblique axis
A
52 from transverse 57 from sagital
4
Q
midtarsal joint longitudinal axis
A
5 from transverse 9 from sagital
5
Q
when pronate oblique and longitudinal axis are ________ compared to eachother
A
parallel
6
Q
Double support
A
0-12 of stance, 50-62% total
7
Q
Contact perior
A
27% of stance, 17% total
8
Q
Midstance
A
40% of stance 25% total
9
Q
propulsive
A
33% of stance 20% total
10
Q
Longitudinal axis of midtarsal is always _____ to STJ
A
opposite
11
Q
during swing the extremity
A
internally rotates for 15% than externally rotates
12
Q
1mhz of ultrasound is
A
.5cm deep
13
Q
3mhx of ultrasound is
A
2-3 cm deep
