Key result
Eight weeks of high-intensity interval training significantly increased maximal oxygen uptake from 29.9 to 32.6 mL/min/kg and decreased systolic blood pressure from 140 to 128 mmHg in healthy older men.
Why the study?
Do 8 weeks of high intensity interval training followed by isoinertial resistance training improve cardiovascular fitness, muscle mass-strength, and metabolic risk factors in healthy older adults?
Do 8 weeks of high intensity interval training followed by isoinertial resistance training improve cardiovascular fitness, muscle mass-strength, and metabolic risk factors in healthy older adults?
Sequential high-intensity interval training and isoinertial resistance training improve cardiovascular fitness, muscle mass, strength, and metabolic risk factors in healthy older adults.
// Paolo Bruseghini 1 , Elisa Calabria 1 , Enrico Tam 1 , Chiara Milanese 1 , Eugenio Oliboni 3 , Andrea Pezzato 3 , Silvia Pogliaghi 1 , Gian Luca Salvagno 2 , Federico Schena 1 , Roberto Pozzi Mucelli 3 , Carlo Capelli 1 1 School of Sport and Exercise Sciences, Department of Neurological and Movement Sciences, University of Verona, Verona, Italy 2 Section of Clinical Chemistry, School of Medicine Policlinico “GB Rossi”, Department of Life and Reproduction Sciences, School of Medicine, University of Verona, Verona, Italy 3 Institute of Radiology, School of Medicine, Policlinico “GB Rossi”, Department of Pathology and Diagnostics, School of Medicine, University of Verona, Verona, Italy 4 Norwegian School of Sport Sciences, Department of Physical Performances, Sognsveien, Oslo, Norway Correspondence to: Carlo Capelli, e-mail: carlo.capelli@univr.it , carlo.capelli@mac.com Keywords: Gerotarget, high intensity interval training, isoinertial resistance training, aging, metabolic syndrome, cardiovascular fitness Received: May 06, 2015 Accepted: May 14, 2015 Published: May 28, 2015 ABSTRACT We investigated the effect of 8 weeks of high intensity interval training (HIT) and isoinertial resistance training (IRT) on cardiovascular fitness, muscle mass-strength and risk factors of metabolic syndrome in 12 healthy older adults (68 yy ± 4). HIT consisted in 7 two-minute repetitions at 80%–90% of V˙O2max, 3 times/w. After 4 months of recovery, subjects were treated with IRT, which included 4 sets of 7 maximal, bilateral knee extensions/flexions 3 times/w on a leg-press flywheel ergometer. HIT elicited significant: i) modifications of selected anthropometrical features; ii) improvements of cardiovascular fitness and; iii) decrease of systolic pressure. HIT and IRT induced hypertrophy of the quadriceps muscle, which, however, was paralleled by significant increases in strength only after IRT. Neither HIT nor IRT induced relevant changes in blood lipid profile, with the exception of a decrease of LDL and CHO after IRT. Physiological parameters related with aerobic fitness and selected body composition values predicting cardiovascular risk remained stable during detraining and, after IRT, they were complemented by substantial increase of muscle strength, leading to further improvements of quality of life of the subjects.
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Bruseghini et al. (2015) studied Healthy older adults (n=12). High intensity interval training (HIT) and isoinertial resistance training (IRT) vs. Baseline was evaluated on Maximal oxygen uptake (VO2max) after HIT (p=0.0032). Eight weeks of high-intensity interval training significantly increased maximal oxygen uptake from 29.9 to 32.6 mL/min/kg and decreased systolic blood pressure from 140 to 128 mmHg in healthy older men.
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