ARTICULAR MOTION HIGH YIELD STJ Flashcards
1
Q
the stj has how many articulations?
A
3
2
Q
what is the most important joint of the foot?
A
subtalar joint
3
Q
axis of motion of this joint passes how?
A
obliquely through STJ
4
Q
how does the axis pass?
A
lateral, plantar, posterior aspect of the heel forward in an anterior, dorsal and medial direction
5
Q
the average STJ axis angels are what from what planes?
A
42 degrees transverse plane
16 degrees sagittal plane
48 degrees frontal plane
6
Q
what is the motion of the STJ?
A
supination
pronation
7
Q
what is neutral position?
A
STJ is neither pronated or supinated
8
Q
minimum ROM? Total ROM?
A
4-6 degree inversion of the calcaneus with supination of the STJ
4-6 degree eversion of the calcaneus with pronation of the STJ
8-12 degrees of frontal plane motion required at STJ for normal locomotion
