Incline bench press shoulder pain is a common presentation. It can be mild up to a point where you have to skip certain exercises because of the pain and discomfort.

This is a quick lesson on proper flat bench bench press mechanics to help prevent injuries.

The Plank and shoulder pain. One sided shoulder pain (although it is possible to have both being affected)  from exercises such as the Plank could be attributed to increased engagement of particular muscles of the shoulder.

Learn to protect your shoulder from injury. This video is a short commentary on a paper written by Emilio Landoff phd and Rogerio (roger) Be

Manage Tight Upper Trapezius Muscle; Why Dropping the Shoulders During Exercise is Important