Human Performance 31

Human Performance 31 - HumanPerformance31 15:58

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Human Performance 31 15:58 Sweat Rate: AVG ~ 1-2 L/hr max is 4L per hour. A gallon in an hour.  1liter = 1  kilogram = 2.2 lbs. 1 Gallon of sweat one looses 8-9lbs of weight. During exercise  heat max theoretical = 4L/hr If you work harder and in heat you sweat more. Genetic determination. If  ancestors came from Europe from cold places the likelihood of sweat  glands is a low number. If ancestors are from equator then you have more  sweat glands. When people train they increase sweat glands.   In addition, it  appears that once increase sweat glands one increases capacity. Moving to  a hot place one increases sweat glands.   Scenario: Temp: 90F Wind:0 Humidity 30%: what is the heat loss system? By  sweating, evaporative cooling, since there is no humidity. (when ambient temp is  close to body temp, loosing heat by radiation is impaired) Scenario 2)Temp: 40F, 10 Wind, 90% humidity: Radiation  Scenario 3)Temp: 90F, 0 Wind, 90%: the key is exercise, at rest you can tolerate  this 1kcal/min, but if you do heavy exercise to 10 calories or so is dangerous  (long term exercise): radiation, cooling minimal amounts. Fluid Balance: Average male: 60% water and 50% female. Difference due to the 
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/28/2010 for the course EXSC 205Lxg taught by Professor Girandola during the Spring '07 term at USC.

Page1 / 5

Human Performance 31 - HumanPerformance31 15:58

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online