Anatomy Floor of posterior triangle of neck is formed by A Semispinalis capitis, elevator scapulae, scalenus anterior, scalenus medius B Levator scapulae, splenius capitis, scalenus medius, scalenus anterior C Semispinalis capitis, scalenus anterior, splenius capitis, sternocleidomastoid D Levator scapulae, scalenus posterior, semispinalis capitis,scalenus medius 💡 Explanation Floor of posterior triangle of neck is formed by ✓ Correct Answer: D. Levator scapulae, scalenus posterior, semispinalis capitis,scalenus medius