Lynn probably has the tendon of her calves(achilles tendon) inflamed and it's suffering from a <span>tendinitis. Tendinitis can be caused by repeated movements of the same muscles, like Lynn as been doing practicing all summer.
The answer is yes, the pain is related with constant exercise of her calves and the first thing she should do it's stop practicing.
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I believe the force is called diffusion.
Ecology is relationship between different organisms in a ecosystem
Declines rapidly, increases more rapidly, reaches carrying capacity and enters a phase of exponential growth.
I am quite sure this is supposed to be PHYSICS but anyways,
Whisper: Low Intensity, Less rarefactions and compressions
Shout: High Intensity, more rarefactions and compressions