Latissimus Dorsi muscle
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Latissimus Dorsi Muscle

The large, flat latissimus dorsi muscle occupies the majority of the lower posterior thorax. Although the muscle’s main job is to move the upper limb, it also serves as an auxiliary muscle for breathing. Owing to this muscle’s extensive attachment to the thoracolumbar fascia and several vertebral spinous processes, research on the muscle’s function in…

Facial nerve
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Facial Nerve

Introduction The facial nerve is also called the seventh cranial nerve (CN7). This nerve has two main functions. It transmits sensory information from the tongue and the inside of the mouth. CN7 specifically serves the tip of the tongue, accounting for roughly two-thirds. The nerve extends from the brain stem to the pons and medulla….