Abstract
AbstractWeight‐bearing physical activity can stimulate bone adaptation. This investigation explored the effect of an acute bout of resistance exercise before and after resistance+interval training on circulating biomarkers of bone metabolism and muscle‐bone crosstalk. Healthy young male and female participants (n = 21 male, 28 ± 4 years; n = 17 female, 27 ± 5 years) performed a 6 × 10 squat test (75% 1RM) before and after a 12‐week resistance+interval training program. Before and after completion of the training program, blood samples were collected at rest, immediately postexercise, and 2 h postexercise. Blood samples were analyzed for βCTX, P1NP, sclerostin, osteocalcin, IGF‐1, and irisin. Significant effects of acute exercise (main effect of time) were observed as increases in concentrations of IGF‐1, irisin, osteocalcin, and P1NP from rest to postexercise. A sex*time interaction indicated a greater decline in βCTX concentration from rest to 2 h postexercise and a greater increase in sclerostin concentration from rest to immediately postexercise in male compared with female participants. Sex differences (main effect of sex) were also observed for irisin and P1NP concentrations. In summary, changes in concentrations of biochemical markers of bone metabolism and muscle‐bone crosstalk were observed in males and females after an acute bout of resistance exercise and following 12 weeks of resistance+interval training.
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Published
Jan 31, 2024
Vol/Issue
12(3)
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Kristen J. Koltun, Adam J. Sterczala, Nicole M. Sekel, et al. (2024). Effect of acute resistance exercise on bone turnover in young adults before and after concurrent resistance and interval training. Physiological Reports, 12(3). https://doi.org/10.14814/phy2.15906