COMPARTMENT SYNDROME Hypertension of the musculature is a painful condition caused by pressure build-up in the muscles. stiff tissue called fascia covering muscle groups These groupings are called channel of muscle group The muscle group also has nerves and blood vessels. Fascia is not stretched, so if the internal muscles are swollen. The pressure in the muscle cavity will increase. The pressure has been very high. Blood vessels can rupture and blood cannot pass through the vessels to carry oxygen to the muscles and nerves. This is a condition in which the pressure in the muscle closure is increased.