Letters of recommendation are ubiquitous in an academic research career. If. you teach one or more senior-level undergraduate courses or have undergraduate. students in your laboratory, you might have to write dozens of letters a year as. students become graduate-school bound or look for employment. If you do not.
Subacromial bursitis is a common cause of shoulder pain that is usually related to shoulder impingement of your bursa between your rotator cuff tendons and bone (acromion). Your subdeltoid bursa is less commonly inflamed shoulder bursa.
A subscapularis muscle strain can cause left shoulder blade pain. According to the Sports Injury Clinic website, the subscapularis muscle runs from the underside of the scapula to the front of the upper arm. The subscapularis muscle is responsible for rotating the arm inward and is one of four rotator cuff muscles.