Originally Posted by MoAlpha

The kyphotic hump in the upper back is definitely not right. It looks painful, and is obviously increasing the amount of neck extension required for that head position. I would think anything you could do to flatten that out would help. I'm no expert, but I'd start with exercises which promote hip flexion, e.g., leg stretches, and which strengthen the glutes and lower back, e.g., deadlifts and lunges. You also look like you're compensating for more reach than you can handle by dropping your shoulders, so you might also try a shorter stem.