Definition of bisect. 1  transitive verb. : 2  to divide into two usually equal parts. 3  intransitive verb. : 4  cross, intersect.
The most common causes of muscle pain are tension, stress, overuse and minor injuries. This type of pain is usually localized, affecting just a few muscles or a small part of your body. Systemic muscle pain â pain throughout your whole body â is more often the result of an infection, an illness or a side effect of a medication. Common causes of muscle pain include: Chronic exertional compartment syndrome.
There are many causes of tight neck muscles. The causes of tight neck muscles are many: poor posture, emotional or mental stress, asymmetric use of the neck, back, or arms at work or at play, injury to any of these areas, carrying a heavy bag primarily over one shoulder, or across the chest, and so forth.ight neck muscles can also cause headaches, such as tension, migraine, and cluster headaches, because of their various attachments to the head, specifically the occiput (back of the head) and the mastoid process of the temporal bone right behind the ears.