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.
I. Hypertension, or high blood pressure, is classified as either primary or secondary. A. Primary hypertension, also called essential hypertension, may be the result of the interaction of many mechanisms that raise the blood volume, cardiac output, and/or peripheral resistance. B. Secondary hypertension is the direct result of known, specific diseases. II.