- May 6, 2026Stylopharyngeus is the only muscle in the body innervated exclusively by the glossopharyngeal nerve. It passes between the external and…
- May 6, 2026The superior belly connects the intermediate tendon to the hyoid bone. The ansa cervicalis innervates this belly, reflecting its infrahyoid…
- May 6, 2026The inferior belly runs from the scapula to the intermediate tendon, crossing the posterior triangle. The right angle between the…
- May 6, 2026The SCM is the dominant lateral neck muscle visible as a cord from mastoid to sternal notch during contralateral head…
- May 6, 2026The trapezius covers the posterior neck and upper thorax. Its three parts coordinate scapular movement for full shoulder elevation —…
- May 6, 2026Spinalis cervicis is the cervical component of the spinalis column, running between upper thoracic and lower cervical spinous processes. Often…
- May 6, 2026The cervical rotatores are the deepest cervical paraspinals connecting adjacent vertebral segments. They function primarily as proprioceptive organs for the…
- May 6, 2026Unique among deep back muscles in receiving ventral rami innervation, making them homologous to quadratus lumborum. They lie anterior to…
- May 6, 2026The posterior cervical intertransversarii connect adjacent posterior tubercles and contribute to lateral cervical stabilisation and facet joint proprioception.
- May 6, 2026The cervical multifidus connects articular pillars to spinous processes above, providing segmental control of cervical motion. It plays an analogous…