Further increase in high density lipoprotein in trained males after enhanced training

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Abstract
Eight well-trained males were studied before, during and after 6 months of a progressively increased amount of endurance training in order to elucidate the effects on the apoproteins and apo-lipoproteins. Initially high HDL-cholesterol levels were revealed (1.62±0.15 mmol×l−1, mean ± SE.). After a transient but not significant, slight decline at the onset of the increased training program (1.57±0.06 mmol×l−1) HDL-cholesterol increased gradually to the end of the training period (1.92±0.12 mmol×l−1). There was an increased aerobic capacity as judged by maximal oxygen uptake and by lactate concentration during standardized submaximal work. However, at the end of the training period, a levelling off in maximal oxygen uptake was revealed, while HDL-cholesterol was still increasing. The present data demonstrate that HDL can be influenced by training at all levels of aerobic capacity.