ARTICLE INFO

Article Type

Original Research

Authors

Moradi ‎   A. (*)
Gholami ‎   F. (1)






(*) Sarem Women’s Hospital, Tehran, Iran
(1) ‎Sport Physialogy Department, Physical Education & Sport Sciences Faculty‎, Shahrud University of Technology, Shahrud, Iran

Correspondence


Article History

Received:   April  15, 2017
Accepted:   October 12, 2017
ePublished:   November 15, 2018

ABSTRACT

Aims Because of the importance of age-linked physiological changes and the effects of ‎physical activity on hematological parameters, this study was conducted to ‎investigate the effects of age and hard endurance workouts on blood cell count and ‎erythrocyte indices.‎
Materials & Methods In this interventional study 87 male volunteers were studied in 3 groups including ‎young (n=30), middle (n=30) and old (n=27) age groups in Sarem hospital ‎‎(Tehran, Iran). Immediately before and after their endurance activity and during ‎recovery period, hemodynamic factors were measured and 3 blood samples were ‎collected for blood cell count and erythrocyte indices. The data were analyzed by ‎one-way analysis of variance (ANOVA) for independent groups and repeated ‎measures ANOVA for related groups using SPSS 16 software.‎
Findings The plasma volume (%) was decreased significantly after hard endurance ‎workouts and increased significantly during recovery period. Endurance activity ‎caused significant increases in all measured factors other than mean cell volume ‎‎(MCV). However, there were significant decreases in all studied factors after ‎recovery, except MCV, mean cell hemoglobin (MCH) and mean cell hemoglobin ‎concentration (MCHC). There was no significant difference in responses of ‎hematological factors to the endurance activity and recovery period between ‎different age groups.‎
Conclusion Age does not affect the responses of hematological factors to the hard endurance ‎workouts and subsequent recovery period.‎


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