“We saw a decrease in the level of sclerostin in both of these exercise interventions in men,” said Pamela Hilton of University of Missouri-Columbia.
“When sclerostin is expressed at high levels, it has a negative impact on bone formation. In both resistance and jump training, the level of sclerostin in the bone goes down, which triggers bone formation,” Hilton said.
Researchers also observed an increase in the hormone IGF-1. Unlike sclerostin, IGF-1 triggers bone growth.
The decrease of harmful sclerostin levels and the increase in beneficial IGF-1 levels confirmed the prior research that found both resistance training and jump training have beneficial effects on bone growth.
While exercises such as swimming and cycling are beneficial to overall health, these activities do not strengthen the skeleton.
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