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The Journal of Sports Medicine and Physical Fitness 2020 Dec 03

DOI: 10.23736/S0022-4707.20.11660-8


language: English

Comparative study of cardiorespiratory adaptations in elite basketball players of different age groups

Eleftherios Th. DIMITROS , Nikolaos A. KOUTLIANOS, Maria ANIFANTI, Evangelia I. KOUIDI, Asterios P. DELIGIANNIS

Laboratory of Sports Medicine, Department of Physical Education & Sport Science, Aristotle University of Thessaloniki, Thermi, Greece


BACKGROUND: Systematic training of basketball causes morphological cardiac and cardiorespiratory adaptations. Previous studies have mainly focused either on only cardiac or respiratory changes. However, the extent of these cardiac adaptations and their relationship with aerobic capacity remain unclear in basketball athletes of different ages.
METHODS: Eighty male basketball players participated in the experimental group and 80 healthy and sedentary male individuals served as controls. All participants underwent to athletic history, anthropometric measurements, 12-lead resting electrocardiogram (ECG), echocardiography, resting spirometry and cardiopulmonary exercise stress test.
RESULTS: Left ventricular mass (LVM), left ventricular mass index (LVMI), left ventricular end-diastolic internal dimension (LVIDd), end-diastolic volume (EDV), stroke volume (SV) and interventricular septal thickness at diastole (IVSd) were significantly higher in all groups of athletes compared to controls (p<0.05). End-diastolic volume index (EDVI) was significant higher only in adult players compared to controls (p<0.05). Posterior wall thickness at diastole (PWd) was significantly greater in groups of children and adult players compared to controls (p<0.05). Maximal oxygen uptake (V̇ O2max) in relative values was higher in all groups of athletes compared to controls (P< 0.05).
CONCLUSIONS: The increased LVM is attributed to concentric hypertrophy. This is further supported by the finding that there was no relationship between V̇ O2max and echo parameters. The results of the present study indicate that the cardiorespiratory adaptations caused by basketball training are mainly formed in the early age stages without further increase throughout the years of action.

KEY WORDS: Aerobic capacity; Maximal oxygen uptake; Left ventricular mass; Hypertrophy; Training

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