Is this true that major depression can cause severe muscle tension ?

Depression and other: Psychological conditions including anxiety, panic attacks can cause muscle tension.Find ways to overcome these. Seek help from your dr. Hope u feel better!

Possibly and Worry: It is quite possible. It is also quite possible that chronic worry (generalized anxiety disorder) which can occur in up to 65% of cases with depression is also a culprit. Chronic worry causes muscle tension due to "autonomic inflexibility." depression and worry highly co-occur. "psychomotor retardation" in depression also makes sense. Worry.