system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following are superficial muscles of the back, EXCEPT?
assistant
The correct answer is  Trapezius, levator scapulae, rhomboid major, rhomboid minor, and latissimus dorsi constitute the superficial muscles of the back. Erector spinae, splenius, transversospinalis, and suboccipital muscles constitute the deep muscles of the back. Erector spinae muscle:Iliocostalis, longissimus, and the spinalis muscles together constitute the erector spinae muscle.When it acts bilaterally it helps in extending the veebral column.When acting unilaterally it laterally flex the veebral column and rotate it to the ipsilateral side.