Before revision:  Here, we review the application of the homogenous rod( worm-like chain ) modelto the mechanics of the triple helix, including bend, twist, and stretch deformations  and the assumption of backbone linearity.
After revision:  Here, we review the treatment of the triple helix as a homogeneous flexible rod, including bend (standard worm-like chain ) modelto the mechanics of the triple helix, including bend, twist, and stretch deformations and the assumption of backbone linearity.