Blood phosphorus and magnesium levels in 130 elite track and field athletes.

Purpose: This study tested the clinical utility and relevance of serum phosphorus and magnesium as markers possibly useful to monitor training in athletes.

Methods: Phosphorus and magnesium serum concentrations of 130 elite track and field athletes (65 males and 65 females, age range 20-30 years) from the National Athletics Sports Medicine Center database in Thessaloniki, Greece were measured.

Results: Abnormal results were found in 61 (47%) athletes (32 men and 29 women).