the rounded portion of the brain, directly behind the cerebrum in birds and mammals, that serves mainly to coordinate movement, posture, and balance. [1555â65; < Latin: brain, diminutive of cerebrum (for formation see castle)] cer`eâ¢belâ²lar, adj.
A pulled muscle is a painful injury that is caused when muscle fibers become torn. These injuries are usually caused by engaging in physical activity without properly warming up first. They can also occur when a person who is not in shape does something that is strenuous to the muscles.
Muscle strain is injury to muscle as a result of strenuous activity. Almost anyone can put undue tension on muscles during the course of normal daily activities, with sudden, quick heavy lifting, during sports, or while performing work tasks. Muscle strain is sometimes referred to as muscle pull. A severe muscle strain can result in a muscle tear. The tearing of the muscle can also damage small blood vessels, causing local bleeding (with or without bruising) and pain (caused by irritation of the nerve endings in the area).