Sinusoidal electromagnetic field of 50 hz helps in retaining calcium in tibias of aged rats.
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2003-03-23
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Effect of 50Hz sinusoidal electromagnetic field (SEMF) on normal bone physiology was evaluated in young and old female and male Wistar rats. Exposure to SEMF resulted in increased 45Ca retention in tibias of aged animals only. Levels of serum calcium in young female and male rats were significantly less than in respective aged rats. These were further decreased after 4 weeks of SEMF exposure. SEMF exposure did not change the serum calcium levels in aged rats, and inorganic phosphates in young and aged animals. Similarly, the levels of tartrate resistant acid and alkaline phosphatase were significantly decreased in young rats, whereas the levels remained unchanged in aged rats of either sex. The results revealed that SEMF of 1mT can prevent bone calcium loss due to aging in animals.
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Khanduja KL, Syal N. Sinusoidal electromagnetic field of 50 hz helps in retaining calcium in tibias of aged rats. Indian Journal of Experimental Biology. 2003 Mar; 41(3): 201-4