Rectal temperatures (Tre) of 400C and greater have been recorded from men immediately after completing marathon (42.2 km) races (Pugh, Corbett et al, 1967; Costill, Kammer et al, 1970; Wyndham, Strydom, 1969). Data on two male runners suggest that after an early initial rise in Tre, a high Tre (390C to 410C) is maintained throughout the run (Maron, Wagner et al, 1977). To provide information co...

Background: The objective of this study was to assess bone mineral density (BMD) of the lumbar spine and the proximal femur in male and female athletes performing different high level sports, in unspecifically trained sport students and in untrained subjects. Methods: BMD of lumbar spine and proximal femur were measured by dual-energy-x-ray-absorptiometry in 209 female and 173 male subjects age...

The relationship between two menstrual cycle phases and cardio respiratory fitness in athletes on oral contraceptives and not on oral contraceptives was assessed in a pilot study. Twelve endurance-trained college cross country runners underwent maximal oxygen consumption treadmill testing, during the late follicular/ovulatory phase and late luteal/premenstrual phase of their menstrual cycle. No...

BACKGROUND Animal studies and investigations of adult endurance athletes indicate a transient depression of myocardial function after prolonged high-intensity exercise. PURPOSE To determine whether a similar decrease is observed in child distance runners after a 4-km competitive road race. METHODS Anthropometric measures, resting M-mode echocardiograms, maximal cycle exercise tests with est...

The influence of an antioxidant vitamin supplement on immune cell response to prolonged exercise was determined using a randomized, double-blind, placebo-controlled, cross-over study. Twelve healthy endurance subjects (n = 6 male, n = 6 female; mean +/- SD for age, 30.1 +/- 6.2 yr; height, 1.76 +/- 7 m; body mass, 72.2 +/- 10.2 kg; VO2max, 63.7 +/- 12 ml x kg(-1) x min(-1)) participated in the ...

Iron deficiency among endurance athletes is of major concern for coaches, physicians, and nutritionists. Recently, it has been observed that hepcidin, the master regulator of iron metabolism, was upregulated after exercise and was found to be related to interleukin-6 (IL-6) elevation. In this study performed on noniron deficient and well-trained runners, we observed that hepcidin concentrations...

Running increases neurogenesis in the dentate gyrus of the hippocampus, a brain structure that is important for memory function. Consequently, spatial learning and long-term potentiation (LTP) were tested in groups of mice housed either with a running wheel (runners) or under standard conditions (controls). Mice were injected with bromodeoxyuridine to label dividing cells and trained in the Mor...

Fatigue is an inevitable consequence of physical activity; yet its biological cause remains uncertain. During exercise, a polypeptide messenger molecule interleukin-6 (IL-6) is actively produced. Previously, the administration of recombinant IL-6 (rhIL-6) induced a heightened sensation of fatigue in healthy humans at rest. In contrast, anti-IL-6 receptor antibodies reduced the symptoms of chron...

BACKGROUND Healthy elite runners often report bronchial symptoms when training in subzero temperatures. The occurrence and causes of exercise-induced bronchospasm after heavy exercise in cold air were investigated in elite runners. METHODS Thirty two non-asthmatic runners, mostly from Finnish national teams, volunteered to take part in the study. They answered a questionnaire and were subject...

1Shaheen, 2Seema Hakim, 3Veena Maheshwari, 4Smriti Bhargava 1Lecturer, Department of Obstetrics and Gynecology, JN Medical College, Aligarh Muslim University, Aligarh, Uttar Pradesh, India 2Professor, Department of Obstetrics and Gynecology, JN Medical College, Aligarh Muslim University, Aligarh, Uttar Pradesh, India 3Professor, Department of Pathology, JN Medical College, Aligarh Muslim Univer...