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There could be a number of reasons:
1) infection - (ie. Clostridium tetani - causes lock jaw)
2) overuse - muscle strain
3) stress - the body assumes a more flexed posture
4) mineral deficiencies - low calcium can cause tetany (muscle spasms)
5) hormonal - parathyroid dysfunction
For an accurate diagnosis, consult a licensed primary healthcare provider in your area.
Wiki User
∙ 11y ago
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