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The splenius capitis (/ ˈ s p l iː n i ə s ˈ k æ p ɪ t ɪ s /) (from Greek splēníon 'bandage' and Latin caput 'head' [1] [2]) is a broad, straplike muscle in the back of the neck. It pulls on the base of the skull from the vertebrae in the neck and upper thorax. It is involved in movements such as shaking the head.
In sheep and cattle, it is known as the paxwax. [4] It relieves the animal of the weight of its head. The nuchal ligament is unusual in being a ligament with an elastic component, allowing for stretch.
The splenius muscles are: Splenius capitis muscle; Splenius cervicis muscle; Their origins are in the upper thoracic and lower cervical spinous processes. Their actions are to extend and ipsilaterally rotate the head and neck.
Rhythmic movement disorder (RMD) is a neurological disorder characterized by repetitive movements of large muscle groups immediately before and during sleep often involving the head and neck. It was independently described first in 1905 by Zappert as jactatio capitis nocturna and by Cruchet as rhythmie du sommeil. [1]
But those first migraine warning signs can be subtle and unexpected, including symptoms like difficulty concentrating, sleep disturbances, food cravings, neck pain and yawning.
Spinal surgeons and posture experts explore the best ways to sleep to prevent lower back pain, as well as which mattresses are best to relieve back pain. Experts Reveal the Worst Sleeping Position ...
A 37-year-old man woke up with neck pain, nausea, blurry vision. He was having a stroke caused by a cavernous malformation. After brain surgery, he is back hiking.
The accessory nerve (CN XI) is particularly vulnerable to damage during lymph node biopsy. Damage results in an inability to shrug the shoulders or raise the arm above the head, particularly due to compromised trapezius muscle innervation.