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Uploaded by RunnersWorldTV on May 5, 2011
Cramps occur when the muscle spindles in your legs get fatigued. Do these moves twice a week after runs to condition those spindles and prevent cramps.
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jerks
Shreyek 2 weeks ago
Merks
EliteHardrive 2 weeks ago
Nurks
222markuss 1 month ago
turks
thaimmigrant 1 month ago
lurks
theaveragekidsTAK 1 month ago
murts
fightercomback 2 months ago
hurts
1LawtonC 3 months ago
lol wtf is up with these comments
Dinocrap1101 3 months ago
Perps
oneharlemkid 3 months ago
slurps
Divtunes 5 months ago