From: Biomechanical comparison of tenodesis reconstruction for subtalar instability: a finite element analysis
Cadaveric model (degrees)
FE model (degrees)
Intact
Inversion
7.2 ± 1.7
7.0
External rotation
4.8 ± 1.1
4.8
Subtalar instability
12.8 ± 5.8
12.7
8.0 ± 3.5
7.5