![Athlete suffering from severe cramp films calf muscle MOVING inside leg in video | Daily Mail Online Athlete suffering from severe cramp films calf muscle MOVING inside leg in video | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/07/14/15/2A843F2200000578-0-image-a-3_1436883270225.jpg)
Athlete suffering from severe cramp films calf muscle MOVING inside leg in video | Daily Mail Online
NBFit.co.uk - Let's talks muscle cramps. 😣 these cramps are a sudden and involuntary contraction of one or more of your muscles. If you've ever been awakened in the night or stopped
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