Annulus fibers of the IVD run about ___° horizontal to the disc plane, ___° to each other in adjacent bands. MCQ 08:18 Biomechanics Annulus fibers of the IVD run about ___° horizontal to the disc plane, ___° to each other in adjacent bands. Answer: 30°; 120° Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+