Orthopaedics which of the following is a Bone resorption marker is ? A Serum propeptide of type I procollagen B Osteocalcin C Urine total free deoxypyridinoline D Free glutamic acid cross linkage 💡 Explanation which of the following is a Bone resorption marker is ? ✓ Correct Answer: C. Urine total free deoxypyridinoline