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The affects would be generally the same as all other skeletal muscles: Cold muscles get less oxygen and that makes it more difficult for the body to remove waste products like carbon dioxide and lactic acid from them. Exercising with cold muscles makes it harder for them to burn fatty acids which then get clogged in the arteries. Cold muscles are less responsive to signals from the nervous system so movements are less coordinated. They are also less elastic and don't absorb shock or impact as well as warm muscles which then makes them more prone to injury.

Uncomfortably cold working conditions can lead to lower work efficiency and higher accident rates. Cold impairs the performance of tasks. Manual tasks are also impaired because the sensitivity and dexterity of fingers are reduced in the cold. At low temperatures, the cold affects the deeper muscles resulting in reduced muscular strength and stiffened joints. Mental alertness is reduced due to cold-related discomfort. For all these reasons accidents are more likely to occur in very cold working conditions. Cooling of body parts may result in various nonfreezing cold injuries. Fingers are at greatest risk because this area does not have major muscles to produce heat. In addition, the body will preserve heat by favouring the internal organs, thus reducing the flow of blood to the extremities under cold conditions. Hands tend to get cold more quickly than the torso because:

# they lose heat more rapidly since they have a higher surface area-to-volume ratio, and # they are more likely to be in contact with colder surfaces than other parts of the body. --submitted by www.warmmouse.com

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โˆ™ 2008-09-22 20:55:37
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Q: What affect does cold have on hand muscles?
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