Law enforcement agents protect life and property, and uphold the law within a jurisdiction. Many of the job requirements are not based on education, but on one's physical and mental characteristics. To become a law enforcement agent, individuals need to complete agency training programs, such as police academy.
A muscle strain, also called a pulled muscle, occurs when a muscle is stretched too far, and microscopic tears occur within the muscle fibers. Common muscle strains include pulled hamstrings, groin strains, and calf strains. The usual symptoms of this type of injury include pain, spasm of the muscle, swelling, bruising, and limited mobility.
A pulled shoulder can cause pain and inflammation. A pulled shoulder muscle can cause excruciating pain and immobility in your shoulder. According to Sports Injury Handbooks, pulled muscles are one of the most common sports injuries, although you can also pull a shoulder muscle from everyday activities such as lifting or reaching. A muscle pull occurs when a sudden force rips some of your muscle fibers. You don't have to suffer endlessly, however.