Why is ab crunch machine 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

Read more

Are ab workout machines bad?

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

Read more

Are ab machines pointless?

Why it’s useless: The ab machine can be awkward at best, and injurious at worst , says Holland. “Users of different heights and fitness levels often have a difficult time activating their abdominal muscles correctly.” What to do instead: Planks offer a much more natural alternative to build strength, says Holland.

Read more