Plasma testosterone and catecholamine responses to physical exercise of different intensities in men
- 135 Downloads
Plasma testosterone, noradrenaline, and adrenaline concentrations during three bicycle ergometer tests of the same total work output (2160 J·kg−1) but different intensity and duration were measured in healthy male subjects. Tests A and B consisted of three consecutive exercise bouts, lasting 6 min each, of either increasing (1.5, 2.0, 2.5 W·kg−1) or constant (2.0, 2.0, 2.0 W·kg−1) work loads, respectively. In test C the subjects performed two exercise bouts each lasting 4.5 min, with work loads of 4.0 W·kg−1. All the exercise bouts were separated by 1-min periods of rest.
Exercise B of constant low intensity resulted only in a small increase in plasma noradrenaline concentration. Exercise A of graded intensity caused an increase in both catecholamine levels, whereas, during the most intensive exercise C, significant elevations in plasma noradrenaline, adrenaline and testosterone concentrations occurred. A significant positive correlation was obtained between the mean value of plasma testosterone and that of adrenaline as well as noradrenaline during exercise.
It is concluded that both plasma testosterone and catecholamine responses to physical effort depend more on work intensity than on work duration or total work output.
Key wordsExercise Testostereone Adrenaline Noradrenaline
Unable to display preview. Download preview PDF.
- Brisson GR, Volle MA, Desharnais M, Dion M, Tanaka M (1977) Pituitary-gonadal axis in exercising men. Med Sci Sp 9:47Google Scholar
- Eik-Nes KB (1969) An effect of isoproterenol on rates of synthesis and secretion of testosterone. Am J Physiol 217:1764–1770Google Scholar
- Galbo H (1983) Hormonal and metabolic adaptation to exercise. Georg Thieme Verlag, StuttgartGoogle Scholar
- Galbo H, Holst JJ, Christensen NJ (1975) Glucagon and plasma catecholamine responses to graded and prolonged exercise in man. J Appl Physiol 38:70–76Google Scholar
- Galbo H, Hummer L, Petersen IB, Chistensen NJ, Bie N (1977) Thyroid and testicular hormone responses to graded and prolonged exercise in man. Eur J Appl Physiol 36:101–1016Google Scholar
- Gawel MJ, Park DM, Alaghban-Zadeh J, Rose FC (1979) Exercise and hormonal secretion. Postgrad Med J 55:373–376Google Scholar
- Hartley LH, Mason JW, Hogan RP, Jones DG, Kotchen TA, Mougey EH, Wherry FE, Pennington LL, Ricketts PT (1972) Multiple hormonal responses to graded exercise in relation to physical training. J Appl Physiol 33:602–606Google Scholar
- JeŽová D, Vigaš M (1981) Testosterone response to exercise during blockade and stimulation of aderenergic receptors in man. Hormone Res 15:141–147Google Scholar
- JeŽová D, Vigaš M (1984) Effect of beta-adrenergic blockade on the endocrine response to exercise in man. In: Fotherby K, Pal SB (ed) Exercise endocrinology. Walter de Gruyter and Co. Berlin, New York, pp 201–223Google Scholar
- JeŽová-Repčeková D, Vigaš M, Mikulaj L, Jurčovičová J (1982) Plasma testosterone during bicycle ergometer exercise without and after l-dopa pretreatment. Endocrinol Exp 16:3–8Google Scholar
- Peuler JD, Johnson GA (1977) Simultaneous single isotope radioenzyme assay of plasma norepinephrine, epinephrine and dopamine. Life Sci 21:625–636Google Scholar
- Stahl F (1975) Radioimmunoassay of plasma testosterone without chromatography. Endokrinologie 65:288–292Google Scholar
- Sutton JR, Coleman MI, Casey J, Lazarus L (1973) Androgen responses during physical exercise. Br Med J 1:520–522Google Scholar
- Vendsalu A (1960) Studies on adrenaline and noradrenaline in human plasma. Acta Physiol Scand [Suppl 49] 173:1–123Google Scholar
- Weis LW, Cureton KJ, Thompson FN (1983) Comparison of serum testosterone and androstenedione responses to weight lifting in man and women. Eur J Appl Physiol 50:413–419Google Scholar
- Weise VK, Kopin IJ (1976) Assay of catecholamines in human plasma: studies of a single isotope radioenzymatic procedure. Life Sci 19:1673–1686Google Scholar
- Wilkerson JE, Horvath SM, Gutin B (1980) Plasma testosterone during treadmill exercise. J Appl Physiol 49:240–253Google Scholar