Performance

Mood state questionnaires

Diary of responses to training (fatigue, muscle soreness) and symptoms of illness

Sleeping heart rate

Blood lactate and plasma Cortisol response to high intensity or incremental exercise

Plasma creatine kinase activity

Cortisol:Testosterone ratio

Nocturnal urinary noradrenaline and adrenaline secretion

Routine haematology (blood haemoglobin, serum ferritin, leukocyte counts)

T-lymphocyte CD4+/CD45RO+ expression

Experience of coach and athlete