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.
Symptoms of shoulder tendinitis include pain when moving the shoulder. The pain usually comes on gradually. The exact movement which causes most pain will indicate which tendon or tendons are inflamed. For example rotator cuff injuries will be painful when rotating the shoulder and biceps tendonitis when flexing or moving the shoulder upwards.