A comparison of the associations between bone turnover markers and different sports fields: combat versus team sports

Author:

Yıldız K.1,Uzunçakmak S. Karabulut2,Halıcı Z.34,Özçelik C.3,Yazıcı A.G.5

Affiliation:

1. Department of Orthopaedics and Traumatology, Kafkas University, School of Medicine, Kars 36000, Turkey.

2. Health Services Vocational School, Bayburt University, Bayburt 69000, Turkey.

3. Faculty of Medicine, Department of Pharmacology, Atatürk University, Erzurum 25240, Turkey.

4. Clinical Research, Development and Design Application, and Research Center, Atatürk University, Erzurum 25240, Turkey.

5. Kazım Karabekir Education, Faculty Sport Sciences, Atatürk University, Yakutiye/Erzurum 25240, Turkey.

Abstract

Sedentary life brings risks that include osteoporosis, while physical activity has many benefits for health in general and the skeletal system. Irisin is a hormone-like myokine regulated by mechanical force and it contributes to cortical and trabecular bone mineral density. This study aimed to investigate the effects of different types of sports on bone health by measuring elite athletes’ fibronectin type III domain 5 (FNDC5), N-terminal collagen type I extension propeptide (PINP), and C-terminal cross-linking telopeptide of type I collagen (CTXI) levels. Combat sports athletes, team sports athletes, and sedentary control subjects were enrolled. Serum levels of proteins were measured by ELISA. FNDC5 levels of elite athletes were higher compared to the sedentary controls (P=0.0014). The highest FNDC5 level was measured in wrestlers among all considered groups. The PINP levels of the athletes were also higher than those of the sedentary control group (P=0.1431). The highest PINP level was determined in boxers. The CTXI levels of the athletes were lower than those of the sedentary control (P<0.0001). The lowest CTXI level was seen in boxers. The FNDC5 and PINP levels of combat sports athletes were higher than those of team sports athletes (P=0.0134 and P=0.0262, respectively), while the CTXI levels of combat sports athletes were lower than those of team sports athletes (P<0.0001). Our results indicated that FNDC5, PINP, and CTXI levels are associated with physical activity. The effect of the exercises performed by athletes of specific sports on bone health has not been studied in much detail before. Combining different exercises for athletes of a particular sport may be more beneficial for bone health.

Publisher

Brill

Subject

Physiology (medical),Veterinary (miscellaneous),Orthopedics and Sports Medicine,Physiology,Biochemistry,Endocrinology, Diabetes and Metabolism,Biophysics

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