The muscle-up is astonishingly difficult to perform but unrivaled in building upper body strength, writes Coach Greg Glassman. The muscle-up gets you from under things to on them.It can be a critical survival skill. We do our muscle-ups from rings chiefly because thatâs the hardest place possible.he muscle-up is astonishingly difficult to perform but unrivaled in building upper body strength, writes Coach Greg Glassman. The muscle-up gets you from under things to on them.
Most people do not know they have high blood pressure because they have no symptoms. Rarely, some people may have a mild headache when their blood pressure is high. Advanced cases of hypertension may cause these symptoms: 1  Severe headache. 2  Confusion. 3  Nausea. 4  Visual disturbances. 5  Seizure.
This article is about arterial hypertension. For other forms of hypertension, see Hypertension (disambiguation). Hypertension (HTN or HT), also known as high blood pressure (HBP), is a long term medical condition in which the blood pressure in the arteries is persistently elevated. High blood pressure usually does not cause symptoms.