Adaptations in mechanical muscle function, muscle morphology, and aerobic power to high-intensity endurance training combined with either traditional or power strength training in older adults: a randomized clinical trial

Purpose There is a lack of information on the effects of power training (PT) as an alternative to traditional strength training (TST) during concurrent training (CT) in older individuals. This study aimed to verify the neuromuscular adaptations that occurred following 16-week interventions with two...

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Bibliographic Details
Published in:European journal of applied physiology 2020-05, Vol.120 (5), p.1165-1177
Main Authors: Müller, Diana Carolina, Izquierdo, Mikel, Boeno, Francesco Pinto, Aagaard, Per, Teodoro, Juliana Lopes, Grazioli, Rafael, Radaelli, Regis, Bayer, Henrique, Neske, Rodrigo, Pinto, Ronei Silveira, Cadore, Eduardo Lusa
Format: Article
Language:English
Subjects:
Adaptation
Adaptation, Physiological
Aerobics
Aged
Biomedical and Life Sciences
Biomedicine
Endurance Training
High-Intensity Interval Training
Human Physiology
Humans
Male
Mechanical properties
Muscle contraction
Muscle Strength
Muscle, Skeletal - physiology
Occupational Medicine/Industrial Medicine
Older people
Original Article
Physical training
Quadriceps muscle
Resistance Training
Sports Medicine
Sports training
Strength training
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Summary:Purpose There is a lack of information on the effects of power training (PT) as an alternative to traditional strength training (TST) during concurrent training (CT) in older individuals. This study aimed to verify the neuromuscular adaptations that occurred following 16-week interventions with two CT models in older men: high-intensity interval training (HIIT) combined with either TST or PT. Methods Thirty-five older men (65.8 ± 3.9 years) were randomly assigned into one of two training groups CTS: TST + HIIT ( n  = 18) or CTP: PT + HIIT ( n  = 17). CTS performed resistance training at intensities ranging from 65 to 80% of 1 RM at slow controlled speed, whereas CTP trained at intensities ranging from 40 to 60% of 1 RM at maximal intentional speed. Lower body one-repetition maximum (1 RM), isometric rate of force development (RFD), countermovement jump (CMJ) muscle power output, quadriceps femoris muscles thickness (QF MT), and peak oxygen uptake ( V O 2peak ) were assessed before training and after 8 and 16 weeks of CT. Results Groups improved similarly in all primary outcomes ( P  
ISSN:1439-6319
1439-6327
DOI:10.1007/s00421-020-04355-z