Hemoglobin, hematocrit and plasma volume variations following combined sprint and strength: effect of advanced age

M. Sellami; A. Ben Abderrahmen; W. Dhahbi; L.D. Hayes; H. Zouhal

doi:10.1016/j.scispo.2019.10.012

Hemoglobin, hematocrit and plasma volume variations following combined sprint and strength: effect of advanced age

M. Sellami^*, A. Ben Abderrahmen, W. Dhahbi, L.D. Hayes, H. Zouhal

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

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Abstract

Objectives
The study investigated the effect of combined sprint and resistance training (CSRT) on red blood cell (RBC) count, hemoglobin (Hb), hematocrit (Hct), plasma volume (PV) variation at rest and during exercise.

Equipment and methods
Twenty-eight moderately trained were randomly assigned into a young trained (YT), young control (YC), middle-aged trained (MAT), and middle-aged control (MAC) group. Before (P1), and after (P2) CSRT, blood samples were collected at rest and after exercise.

Results
At P1, Hct was significantly (P < .05) greater in young compared to middle-aged groups. At P1, PV decrease during exercise was significantly (P < .05) higher in middle-aged compared to young groups. Following CSRT, resting RBC count and Hb increased significantly (P < .05) in MAT. At P2, Following CSRT, Hct decreased significantly (P < .05) in trained groups. At P2, no significant (P > .05) age-effect between MAT and YT was observed for Hct.

Conclusion
CSRT increases RBC count and Hb in middle-aged men, and ameliorates the effect of age in Hct. Such adaptations may improve cardiovascular fitness of middle-aged individuals, and may be preventative of subsequent declines with age.

Original language	English
Pages (from-to)	e13-e21
Number of pages	9
Journal	Science and Sports
Volume	36
Issue number	1
Early online date	25 Jan 2020
DOIs	https://doi.org/10.1016/j.scispo.2019.10.012
Publication status	E-pub ahead of print - 25 Jan 2020
Externally published	Yes

Keywords

blood viscosity
muscle blood flow
red blood cells
sports anemia
training effect

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.scispo.2019.10.012

2019 10 25 Sellami et al Hemoglobin acceptedAccepted author manuscript, 147 KBLicence: CC BY-NC-ND

http://insight.cumbria.ac.uk/id/eprint/5348/Licence: CC BY-NC-ND

Cite this

@article{52f19abf5d68438dade607f2b9f1466b,

title = "Hemoglobin, hematocrit and plasma volume variations following combined sprint and strength: effect of advanced age",

abstract = "ObjectivesThe study investigated the effect of combined sprint and resistance training (CSRT) on red blood cell (RBC) count, hemoglobin (Hb), hematocrit (Hct), plasma volume (PV) variation at rest and during exercise.Equipment and methodsTwenty-eight moderately trained were randomly assigned into a young trained (YT), young control (YC), middle-aged trained (MAT), and middle-aged control (MAC) group. Before (P1), and after (P2) CSRT, blood samples were collected at rest and after exercise.ResultsAt P1, Hct was significantly (P < .05) greater in young compared to middle-aged groups. At P1, PV decrease during exercise was significantly (P < .05) higher in middle-aged compared to young groups. Following CSRT, resting RBC count and Hb increased significantly (P < .05) in MAT. At P2, Following CSRT, Hct decreased significantly (P < .05) in trained groups. At P2, no significant (P > .05) age-effect between MAT and YT was observed for Hct.ConclusionCSRT increases RBC count and Hb in middle-aged men, and ameliorates the effect of age in Hct. Such adaptations may improve cardiovascular fitness of middle-aged individuals, and may be preventative of subsequent declines with age.",

keywords = "blood viscosity, muscle blood flow, red blood cells, sports anemia, training effect",

author = "M. Sellami and {Ben Abderrahmen}, A. and W. Dhahbi and L.D. Hayes and H. Zouhal",

year = "2020",

month = jan,

day = "25",

doi = "10.1016/j.scispo.2019.10.012",

language = "English",

volume = "36",

pages = "e13--e21",

journal = "Science and Sports",

issn = "0765-1597",

publisher = "Elsevier B.V.",

number = "1",

}

TY - JOUR

T1 - Hemoglobin, hematocrit and plasma volume variations following combined sprint and strength

T2 - effect of advanced age

AU - Sellami, M.

AU - Ben Abderrahmen, A.

AU - Dhahbi, W.

AU - Hayes, L.D.

AU - Zouhal, H.

PY - 2020/1/25

Y1 - 2020/1/25

N2 - ObjectivesThe study investigated the effect of combined sprint and resistance training (CSRT) on red blood cell (RBC) count, hemoglobin (Hb), hematocrit (Hct), plasma volume (PV) variation at rest and during exercise.Equipment and methodsTwenty-eight moderately trained were randomly assigned into a young trained (YT), young control (YC), middle-aged trained (MAT), and middle-aged control (MAC) group. Before (P1), and after (P2) CSRT, blood samples were collected at rest and after exercise.ResultsAt P1, Hct was significantly (P < .05) greater in young compared to middle-aged groups. At P1, PV decrease during exercise was significantly (P < .05) higher in middle-aged compared to young groups. Following CSRT, resting RBC count and Hb increased significantly (P < .05) in MAT. At P2, Following CSRT, Hct decreased significantly (P < .05) in trained groups. At P2, no significant (P > .05) age-effect between MAT and YT was observed for Hct.ConclusionCSRT increases RBC count and Hb in middle-aged men, and ameliorates the effect of age in Hct. Such adaptations may improve cardiovascular fitness of middle-aged individuals, and may be preventative of subsequent declines with age.

AB - ObjectivesThe study investigated the effect of combined sprint and resistance training (CSRT) on red blood cell (RBC) count, hemoglobin (Hb), hematocrit (Hct), plasma volume (PV) variation at rest and during exercise.Equipment and methodsTwenty-eight moderately trained were randomly assigned into a young trained (YT), young control (YC), middle-aged trained (MAT), and middle-aged control (MAC) group. Before (P1), and after (P2) CSRT, blood samples were collected at rest and after exercise.ResultsAt P1, Hct was significantly (P < .05) greater in young compared to middle-aged groups. At P1, PV decrease during exercise was significantly (P < .05) higher in middle-aged compared to young groups. Following CSRT, resting RBC count and Hb increased significantly (P < .05) in MAT. At P2, Following CSRT, Hct decreased significantly (P < .05) in trained groups. At P2, no significant (P > .05) age-effect between MAT and YT was observed for Hct.ConclusionCSRT increases RBC count and Hb in middle-aged men, and ameliorates the effect of age in Hct. Such adaptations may improve cardiovascular fitness of middle-aged individuals, and may be preventative of subsequent declines with age.

KW - blood viscosity

KW - muscle blood flow

KW - red blood cells

KW - sports anemia

KW - training effect

U2 - 10.1016/j.scispo.2019.10.012

DO - 10.1016/j.scispo.2019.10.012

M3 - Article

SN - 0765-1597

VL - 36

SP - e13-e21

JO - Science and Sports

JF - Science and Sports

IS - 1

ER -

Hemoglobin, hematocrit and plasma volume variations following combined sprint and strength: effect of advanced age

Abstract

Keywords

UN SDGs

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