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.
WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms inability to move, joint pain, muscle cramps or spasms (painful) (shoulder) and muscle cramps or spasms (painful) (upper arm (bicep)) including Dislocated shoulder, Muscle strain, and Brachial plexus nerve injury.