Cramp preventing exercise

[alophysio]

Agreed Mulberry...but some other considerations...

1. 800m is actually not that far...at 5km/hr, it would be 10mins - if you were running at 10km/hr it would be 5 mins... sounds like the time frame for shin splints to me...vessel or nerve entrapment? Also, it always occurs at 800m...

2. Could be vessel disease but at 22y.o. it is unlikely but still a remote possibility - the vessel entrapment is more likely

3. referred pain from spine - perhaps but having it always start at 800m is the key piece of limited information i think...not likely to be MSK...

4. Why i don't think it is diet...5-10mins is not long enough to get tired and sweat out your electrolytes. We have so much salt in our western diet, it is not funny...

5. A reason that is not particularly scientific but relevant i think is that i am quite unfit at the moment - overweight and poor diet - but i am able to play an hour's worth of squash without cramping...even when i am tired and have been working for 10 hours beforehand...5 mins of running - even i could do 4km of the City2Surf without stopping, no training and having had an operation 4 days earlier...

6. Could be a nerve entrapped somewhere - L/S, hip, posterior knee...but why would it only come on after 800m?

I that is it off the top of my head at the moment - the story screamed "shin splints" when i read it.

Therefore, i would send you for compartment testing of your lower limbs...so go and see a good sports physician who specialises in shin spints and go from there...

Cheers