Question

muscle rotate the neck to the same side (ipsilateral), except?
levator scapula
longus colli and capitis
scalene
splenius capitis and cervicis

Explanation:

The longus colli and capitis muscles are primarily flexors of the neck and do not rotate the neck ipsilaterally. The levator scapula, scalene, and splenius capitis and cervicis muscles can all contribute to ipsilateral neck rotation.

Answer:

Longus colli and capitis