咀嚼肌（muscles of mastication）指參與咀嚼的四對肌肉。咀嚼可分為咬合及張口兩個動作，其中咬合肌共有三對。僅有外翼肌（英语：lateral pterygoid muscle）一條負責將顳頜關節（英语：Temporomandibular joint）鬆開，協助張口。 構成咀嚼肌群的肌肉包含： 嚼肌（有淺端 ...

that it is noticeably wider than the neck. This nematode has four lateral incisures. Females have at least two rows of oocytes and the spicule on the ...

Hemifacial spasm (HFS) is a rare movement disorder that causes involuntary muscle contractions on one side of the face. It typically starts with painless but annoying twitching around one eye. Over ...

An esophageal spasm is the sudden, abnormal squeezing of the food pipe (esophagus) -- the tube that carries food from your mouth to your stomach. Doctors are not sure what causes esophageal spasms ...

Muscle spasms can be a source of considerable pain in many people with fibromyalgia and chronic fatigue syndrome. Muscles clench and just won't relax, sometimes in spite of multiple treatments.

BUFFALO, N.Y. -- Sabres coach Lindy Ruff ruled out defenseman Rasmus Dahlin against the Jets on Thursday night because of back spasms. Ruff did not provide a timeline of how long Dahlin might be ...

Lateral foot pain is pain that runs along the outer side of the foot and ankle. It can cause a variety of symptoms, such as pain, swelling, instability, and tenderness. It can make walking difficult.

No one loves anything more than Travis Kelce loves a lateral. The Kansas City tight end proved once again that you have to have your head on a swivel with a perfect pitch to teammate Samaje Perine ...

Looking for Muscle Legends codes? You’re in the right place. Muscle Legends allows you to become the toughest, buffest, most muscle-bound Robloxian of all time. If you love working out, learning new ...

You may want to use a lateral flow test (LFT) to check whether it's Covid-19 or not. Most people aren't entitled to free Covid tests any more, so we've rounded up where you can buy the cheapest Covid ...

As if a blown 4-0 lead wasn't bad enough, the Buffalo Sabres also watched their captain suffer a familiar injury. It's the same problem that hampered Dahlin for much of training camp. Named the ...

Also called Charley horses or muscle spasms, they are typically short in duration and can last anywhere from a few seconds to several minutes. Muscle cramps most commonly affect the back of the ...