Archus Orthopedics - Product Info

Product Info :: Kinematics

Kinematics*

The TFAS® effectively
stabilizes motion in flexion and lateral bending
restores the motion in extension
limits the motion in axial rotation

TFAS® restored motion of an unstable FSU (Functional Spinal Unit) - no facets or posterior ligaments - to that of an intact FSU, allowing anatomic range of motion in all degrees of freedom. "... The results of this in vitro spine testing protocol suggest that the TFAS® generally reproduces the guiding and mechanical blocking roles of the natural lumbar facet joints."*

*Zhu, Q.A; Larson, C R; Sjovold, S G; Rosler, D. M; Keynan, O; Wilson, DR; Cripton, PA and Oxland, T R, Trans. 51st Annual Meeting of the Orthopaedic Research Society, p. 1288, February, 2005, Washington , D.C.