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| Aerobics Protect Blood Vessels from Harmful Effects of WT http://masterstrack.com/forums/viewtopic.php?f=2&t=656 |
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| Author: | Discusdoc [ Sat Nov 17, 2007 11:54 am ] |
| Post subject: | Aerobics Protect Blood Vessels from Harmful Effects of WT |
From Fahey's Health Research column in Muscular Development magazine: Aerobics Protect Blood Vessels from Harmful Effects of Weight Training Weight training increases muscle and bone mass and has positive effects on metabolism. It can, however, stress the blood vessels. At rest, the average blood pressure is about 100 millimeters of mercury (mm Hg.). Peak systolic blood pressure (higher blood pressure number) during heavy squats is as high as 400 mm Hg. A single weight-training workout stiffens the blood vessels, which could gradually damage the cells lining the vessels and stress the heart. Aerobics, on the other hand, makes the vessels more compliant and enhances blood vessel health and function. Japanese researchers found that doing aerobic exercise after weight training promoted blood vessel health and compensated for the negative effects of weight training on blood vessel stiffness. Doing aerobics before weight training did not provide a protective effect. Performing aerobics after weight training benefits blood vessels and maximizes the training effects of resistive exercise because you can lift more intensely with less fatigue. (Journal Applied Physiology 103: 1655–1661, 2007) |
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