Figure 1
Neck MRI of a subject with retrocollis. T2-weighted images depicting the spinalis cervicis muscle (white encircled, arrow); (A) Axial and (C) coronal images showing the left sided unilateral anlage; (B) sagittal image demonstrating its extension from C7 to C2. SScp et cv = semispinalis capitis et cervicis; SPLcp = splenius capitis; SPLcv = splenius cervicis; LEV = levator scapulae; TRA = trapezius.