Hey gang! I'm sitting here inside, at the computer, because the late afternoon thunderstorm has closed my pool again! In the past week I've only been able to get in the pool once and the forcast is 40 to 60 percent chance of afternoon thunderstorms for the next 4 days. I had much the same senerio last week and could tell a difference when I got back in for my one workout this week. So what do you all do when something interferes with you workout and you can't get in the pool? :(
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Former Member
The 'irritability' is probably not as simple as a decrease in endorphine levels. It may be due to a lack of several neurochemicals that are produced during exercise. One, for example, is norepinephrine. It is released from nerve endings of the sympathetic nervous system and is associated with mood. If you swim outdoors sunlight stimulates the optic nerve and the impulses traveling along the nerve triggers the release of serotonin. Serotonin is also associated with mood.
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Former Member
The 'irritability' is probably not as simple as a decrease in endorphine levels. It may be due to a lack of several neurochemicals that are produced during exercise. One, for example, is norepinephrine. It is released from nerve endings of the sympathetic nervous system and is associated with mood. If you swim outdoors sunlight stimulates the optic nerve and the impulses traveling along the nerve triggers the release of serotonin. Serotonin is also associated with mood.
