Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine ( 2018 ) 17 , 623 - 632

Research article
Maximum Strength Development and Volume-Load during Concurrent High Intensity Intermittent Training Plus Strength or Strength-Only Training
Valéria L. G. Panissa1, David H. Fukuda2, Flaviane P. de Oliveira3, Sergio S. Parmezzani3, Eduardo Z. Campos4, Fabrício E. Rossi5, Emerson Franchini1,6, Fabio S. Lira3, 
Author Information
1 Department of Sport, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil
2 School of Kinesiology and Physical Therapy, University of Central Florida, Orlando, Florida, USA
3 Exercise and Immunometabolism Research Group, Department of Physical Education, Universidade Estadual Paulista, São Paulo, Brazil
4 Department of Physical Education, Federal University of Pernambuco, Brazil
5 Immunometabolism of Skeletal Muscle and Exercise Research Group, Department of Physical Education, Federal University of Piauí, Teresina, Brazil
6 Australian Institute of Sport, Canberra, Australia

Fabio S. Lira
✉Departamento de Educação Física, Universidade Estadual Paulista (UNESP) – Presidente Prudente/São Paulo, Brasil
Email: fabio.lira@unesp.br
Publish Date
Received: 09-05-2018
Accepted: 25-08-2018
Published (online): 20-11-2018
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ABSTRACT

The purpose of this study was to compare maximal strength gains during strength training (ST) and concurrent training (CT) consisting of high-intensity intermittent training plus strength training over the course of a 12-week intervention. A secondary purpose was to examine the relationship between strength training volume and strength gain in both groups. Nineteen recreationally active males were divided into CT (n = 11) and ST (n = 8) groups. The CT group performed repeated 1 min efforts at 100% of maximal aerobic speed interspersed by 1 min of passive recovery until accumulating a total running distance of 5km followed by a strength session (consisting of three sets of seven exercises with loads of 8-12 repetition maximum) twice weekly for a period of 12 weeks. The ST group performed only strength training sessions during the same 12-week period. Strength training total volume-load (Σ repetitions x load) for the upper- and lower-body was computed, while maximal strength (1RM) was evaluated at baseline, week 8, and week 12. Lower-body volume-load over 12 weeks was not different between groups. Absolute 1RM increased in both groups at week 8 and week 12, while 1RM relative to body mass increased in both groups at week 8, but only ST increased relative maximum strength between week 8 and week 12. There was a statistically significant correlation between strength training lower-body volume-load and maximum strength change between baseline and week 8 for the CT group (r = 0.656), while no significant correlations were found for the ST group. In summary, executing high-intensity intermittent exercise twice a week before strength training did not impair maximal strength after 8 weeks, however, only ST demonstrated an increase in relative strength after 12 weeks.

Key words: Total volume performed, maximum number of repetitions, strength gain


           Key Points
  • The combination of HIIT with strength exercises in the same session (aerobic followed by strength), may be employed during training in order to improve both capacities (aerobic and strength).
  • Maximal strength gains were not different between groups after 8 weeks, however only ST increased relative maximal strength between 8 and 12 weeks.
  • There was correlation between strength training lower-body volume-load and maximum strength change between baseline and week 8 for the CT group.
 
 
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