No, because when the rear neck muscle stiffens and overpower your neck frontal muscles it pushes your head forward(because the brain incosiently makes you keep your line of sight straight), actually the solution to forward head posture is streching the rear neck muscle and strenghening the front one.
Neck Training
Carter Morales
Jaxson Sullivan
Video attached
youtube.com
Alexander Peterson
Pic related, went from 15.5 inches to 18 inches from doing neck curls and wrestler bridges and bridges with pullovers
>inb4 hurr durr ur flexing it in the second pic
No shit, before i knew about neck training I didn't even know you could flex your neck