Are ab workout machines bad?

Setting up the ab crunch machine in a less than optimal position can create brutal and inefficient force planes , which increases the chance of injury. … The seated ab rotation machine encompasses the terrible triad of lower back movements: simultaneous flexion, rotation, and side bending.11 Mar 2015

Ab exercise machines present no problems . They don’t train your abs the wrong way or cause bad form. … A torso rotation machine will work the obliques, as well as any machine that allows for side-to-side motion. Any machine that brings the lower body up toward the upper body will target the lower abdominals.22 Eyl 2012

Are crunch machines at the gym safe? – Quora. They are relatively safe , in that they only move in a fixed path. There isn’t much room for error, slipping, etc. on many of the ab crunch machines at most gyms.3 Tem 2019