Cricopharyngeus Spasm and What to Do About It - Laryngopedia

A muscle spasm is a sudden and involuntary contraction of one or more muscles, often leading to sharp pain. These spasms can occur in any muscle and are typically short-lived, though they can be uncomfortable. Common causes include muscle overuse, dehydration, and electrolyte imbalances, which disrupt normal muscle function. In many cases, spasms resolve on their own with rest, stretching, or proper hydration. However, frequent or severe muscle spasms may signal an underlying medical issue, such

Pharyngeal arches, pouches, and clefts: Video, Causes, & Meaning | Osmosis

Oropharyngeal Dysphagia

Dysphagia - Diagnosis and treatment - Mayo Clinic

Peroral Endoscopic Myotomy (POEM)