Human Performance 23~24

Human Performance 23~24 - Human Performance 24 15:26 Human...

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Unformatted text preview: Human Performance 24 15:26 Human Performance = 23 (exam overview), 24 (lecture 4/8/09) Blood Pressure: during resistance exercise light weight multiple repetition or heavy weight little repetitions. Systolic during maximum contraction goes up because (blood vessel diameter) but cardiac output or viscosity or anything is not affected since it is not aerobic. Valsalva Maneuver: inhaling and closing air tracts to push hard. Allows the trunk to stay hard and stable. Downside, arteries bulge out and pressure is high. Blood vessels have a certain psi and there is a potential for aneurism/rupture and added risk for developing hypertension. Its not really good for average people. Warm up and cool down: Warm up (pre-workout) increases temperature. Beneficial for: decrease potential for potential skeletal injury. Cool down (recovery exercise): since blood pressure is less in the veins, if one is upright there is no...
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This note was uploaded on 10/28/2010 for the course EXSC 205Lxg taught by Professor Girandola during the Spring '07 term at USC.

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Human Performance 23~24 - Human Performance 24 15:26 Human...

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