Changes in Bone Alkaline Phosphatase and Procollagen Type-1 C-Peptide After Static and Dynamic Exercises

Authors: Kubo, Keitaro; Yuki, Kazuhito; Ikebukuro, Toshihiro

Source: Research Quarterly for Exercise and Sport, 1 March 2012, vol. 83, no. 1, pp. 49-54(6)

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Abstract:

We investigated the effects of two types of nonweight-bearing exercise on changes in bone-specific alkaline phosphatase (BAP) and procollagen type 1 C-peptide (P1P). BAP is a specific marker of bone synthesis, whereas P1P reflects synthesis of type 1 collagen in other organs as well as bone. Eight participants performed static and dynamic unilateral knee extensions. BAP and P1P were measured before, and at 1, 2, 24, 48, and 72 hr after exercise. P1P increased at 24 hr after a static knee extension exercise, whereas BAP did not change during the experimental period. We found no changes in these markers after dynamic exercise. These results imply that type 1 collagen synthesis in tendons increases after static exercise.

Keywords: KNEE EXTENSION; PATELLA TENDON; SERUM; TYPE 1 COLLAGEN

Document Type: Research Article

DOI: http://dx.doi.org/10.5641/027013612X13330442605214

Publication date: March 1, 2012

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