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.

The Pectoral stretch. Tight Pectorals can hinder exercise performance and potentially cause pain and discomfort.

There could be a link between the pain in your shoulder and lower back pain. This is a simple technique for shoulder and lower back pain tip. In this video we discuss the relationship between the shoulder and the lower back. We also talk about a pressure point that can be helpful. Watch to learn more.