The shoulder and hip joints are the only ball-and-socket joints in the human body due to the need for great motion at the end of the bodyâs limbs and the vast amount of musculature needed to move and support such flexible joints.
A sudden drop in blood pressure can be caused by a rapid change in health or certain medications. It may also signify an underlying medical problem such as thyroid issues. As long as there are no symptoms, low blood pressure in an otherwise healthy person generally is not a concern.
This happens when blood pressure drops rapidly during changes in body position â usually when changing from sitting to standing â inducing classic signs that the blood pressure is too low, like dizziness, blurry vision, and fainting. Other important causes of low blood pressure include: 1  Heart problems that cause low heart rate, diminished heart strength, or a decrease in the amount of blood supplied to the body.  Normal changes associated with the first and second trimesters of pregnancy.