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THIS SATURDAY AUGU.. by Bleck Cra   (Show all posts)
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jackill
2011-08-20 08:57:20
"little steps" from jackill Expand pics
little steps (Expand pics)
Stop walking on your hands Dessie
found the explanation below on yahoo answers

In your body, there are two main "compartments" of fluid. The fluid that is in your tissues such as skin, muscles, organs..etc and the fluid that is in the blood. Fluid is continuously moving between the two compartments. There is a balance in this fluid movement to make sure that too much does not move in one direction. If too much moves towards the tissues, then you have swelling of the tissues. If too much moves into the blood, then you have almost no skin tightness (turgor).

To simplify things, the things that control the net movement of fluid between the compartments are:

1. Proteins and salts in the blood (pulls the water back from the tissues due to the osmotic gradient)
2. Proteins and salts in the tissues (pulls water into the tissues from the blood)
3. Blood pressure (pushes water into the tissues)

If these are altered, then you get a shift of fluid from one compartment to the other.
e.g.
if the blood pressure increases then more fluid moves into the tissues than moving out.
if you have less proteins and salts in the blood, then more fluid moves into the tissues than moving out.
if you have too much protein and salt in the tissues, then more fluid will again move into the tissues than moving out.

When you exercise, you will have a higher blood pressure because the heart is pumping much harder to get more blood around the body. This higher blood pressure may increase the amount of fluid that is moving into the tissues. Furthermore, when you sweat, you lose salts. Fewer salts in the body may also lead to more fluid moving out of the blood and into the tissues. Furthermore, the blood vessels tend to dilate in order to lose heat, this causes a higher surface area inside the blood vessel which may increase the diffusion out of the blood. Why this occurs in some people and not others may be related to disease (high BP and low proteins and salts in blood), or it may be related to the poor circulation (Blood moves out of the limbs and back to the heart slower than blood going to the arms causing a "traffic jam" and increasing the "local blood pressure"), and in some people, it is normal and may be related to just the way their body is built.
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Summit Comment
Caora Bhán: Dunkerron ridge run
Dbosonnet 2 days ago.
Coomnacronia taken from the Dunkerron ridge. Track 3488 for details

  
Summit Comment
Slievenashaska: Wild mountain run
Dbosonnet 2 days ago.
Slievenashaska taken from the Dunkerron ridge. Track 3488 for details

  
Summit Comment
Topped Mountain: Short & simple
Colin Murphy 3 days ago.
A simple little Minion to climb (the name Topped 'Mountain' is a bit of a stretch). A gravel path & steps from a carpark will see you reach the top in about 15 minutes, and you won't even need you...

Summit Comment
Crockmulroney: Good summit for Carn-baggers
Colin Murphy 3 days ago.
A fine hill with a well defined summit and great views. Plenty of parking spots along the R254 directly to the south of the summit. From there it's a relatively simple 1km climb to the top.

  
Track
Near Lough Curra Mtn, Galty Mountains (Ireland)
mlmoroneybb 3 days ago.
Sunday A walk started at Cush carpark taking in the soldier?s hole, Saunder?s Lodge, the grassey Knol, ice road. Lou walk, Len: 13.2km, Climb: 1000m, Area: Lough Curra Mtn, Galty Mountains (Irela

  
Track
Near Ring Hill, Shannon (Ireland)
mlmoroneybb 3 days ago.
Caption walk, Len: 1.3km, Climb: 158m, Area: Ring Hill, Shannon (Ireland) Ring Hill

Summit Comment
Oileán Mhuighinse: Galway Island
sandman 3 days ago.
For the walkers who may not wish to visit the summit area a photo of same.

  
Track
Into The Coum(eragh)'s
GSheehy 3 days ago.
The forecast was for heat, so I said I?d have an early start. Down to the base layer by the time I got to The Gap at ... walk, Len: 27.2km, Climb: 1226m, Area: Coumfea West Top, Comeragh Mountains (I

  
Summit Comment
Oileán Mhuighinse: Galway Island
sandman 3 days ago.
The walk from the car parked at L7692629281 on the graveyard road to the high point is short but out from the public road it is entirely on private property . Access via the gate up to the small c...

Summit Comment
Eanach Mheáin: Galway Island
sandman 3 days ago.
Connemara Island Golf Course is a nine hole course located on this island and just inside its entrance at L9080830893 is the 11th/17th hole where the natural high point is adjacent to the ladies t...

  
Track
Dunkerron Spine
Msbinireland 3 days ago.
Caution: ONLY consider doing this route in clear weather and after a dry spell. Many sections may be impassable after... run, Len: 29.3km, Climb: 1597m, Area: Mullaghanattin, Dunkerron Mountains (Ire

  
Summit Comment
Lettercallow: Coastal Hill
sandman 3 days ago.
By parking at L8760028966 you can walk on to open hillside with no access issues . A gentle accent to the summit area which unlike its nearest neighbour has no seating arrangements for the visitor...


RECENT CONTRIBUTIONS 1 2 3 .. 22 Next page >>