RESTING METABOLIC RATE RELATED TO BODY COMPOSITION IN DIFFERENT SPORT DISCIPLINES
Date Issued
2025
Author(s)
Abstract
Introduction. Resting metabolic rate (BMR) is the minimal amount of energy
the body requires while resting. Body composition (BC) is known to have an
impact on BMR and vice versa. The aim of the study was to show the
influence of different sport disciplines on BMR regarding BC.
Material and Methods. The sample comprised 360 men (between the ages
of 18 and 38). They were divided into 4 groups: I – men who do anaerobic
sports (n=90), II – men who do aerobic sports (n=90), III- men who do sports
recreationally (n=90), and IV- sedentary control group (n=90). BMR was
measured by indirect calorimetry FitMate, Cosmed, Italy. BC was assessed
by the bioelectrical impedance, Inbody 720, Great Britain.
Results. The I group showed the highest RMR, 2298.67±298.1 kcal/day,
compared to the other groups. II group had 2250.21±316.3 kcal/day; III2147.80±337.3 kcal/day; and IV group - 1983.79±316.1kcal/day. The IV
group had the lowest BMR compared to all the other groups (p<0.05). The
BC showed that the IV group had the highest body mass index (BMI) of
26.04±3.5 kg/m2 where the skeletal muscle mass (SMM) had the lowest level
of 44.53±3.9%, compared to the other groups. The IV group showed lowest
SMM (46.19±4.1 %), while the I group showed the highest SMM of
49.36±3.6 %, compared to the other sports groups (p<0.05).
Conclusion. Based on the obtained results, we may conclude that anaerobic
sports showed highest BMR to maintain the energy requirements and proper
BC within appropriate muscle mass that may contribute to better sport
achievements and healthy lifestyle, respectively.
the body requires while resting. Body composition (BC) is known to have an
impact on BMR and vice versa. The aim of the study was to show the
influence of different sport disciplines on BMR regarding BC.
Material and Methods. The sample comprised 360 men (between the ages
of 18 and 38). They were divided into 4 groups: I – men who do anaerobic
sports (n=90), II – men who do aerobic sports (n=90), III- men who do sports
recreationally (n=90), and IV- sedentary control group (n=90). BMR was
measured by indirect calorimetry FitMate, Cosmed, Italy. BC was assessed
by the bioelectrical impedance, Inbody 720, Great Britain.
Results. The I group showed the highest RMR, 2298.67±298.1 kcal/day,
compared to the other groups. II group had 2250.21±316.3 kcal/day; III2147.80±337.3 kcal/day; and IV group - 1983.79±316.1kcal/day. The IV
group had the lowest BMR compared to all the other groups (p<0.05). The
BC showed that the IV group had the highest body mass index (BMI) of
26.04±3.5 kg/m2 where the skeletal muscle mass (SMM) had the lowest level
of 44.53±3.9%, compared to the other groups. The IV group showed lowest
SMM (46.19±4.1 %), while the I group showed the highest SMM of
49.36±3.6 %, compared to the other sports groups (p<0.05).
Conclusion. Based on the obtained results, we may conclude that anaerobic
sports showed highest BMR to maintain the energy requirements and proper
BC within appropriate muscle mass that may contribute to better sport
achievements and healthy lifestyle, respectively.
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