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
©Journal of Sports Science and Medicine (2017) 16, 343 - 349

Research article
Manual Resistance versus Conventional Resistance Training: Impact on Strength and Muscular Endurance in Recreationally Trained Men
Iván Chulvi-Medrano1,2, Tamara Rial3, Juan M. Cortell-Tormo1, Yasser Alakhdar4, Caue V. La Scala Teixeira5,6, Laura Masiá-Tortosa2, Sandor Dorgo7, 
Author Information
1 Department of General and Specific Didactics, University of Alicante, Alicante. Spain
2 Benestar Wellness Center, International Hypopressive & Physical Therapy Institute, Vigo, Spain
3 International Hypopressive & Physical Therapy Institute, Vigo, Spain
4 Department of Physical Therapy, University of Valencia, Valencia; Spain
5 Department of Biosciences, Federal University of São Paulo, Santos, Brazil
6 Faculty of Physical Education, Praia Grande College, Praia Grande, Brazil
7 Department of Kinesiology, University of Texas at El Paso, El Paso, TX, USA

Sandor Dorgo
✉ Department of Kinesiology, University of Texas at El Paso, 1851 Wiggins St., El Paso, TX 79968, USA
Publish Date
Received: 09-12-2016
Accepted: 21-06-2017
Published (online): 08-08-2017

Manual resistance training (MRT) has been widely used in the field of physical therapy. It has also been used as a strength training method due to the accommodating resistance nature of this modality. The aim of the present study was to compare the effects of an 8-week MRT program on maximum strength and muscular endurance in comparison to conventional resistance training in recreationally trained men. Twenty healthy recreationally trained male subjects were recruited and divided into a MRT training group and a conventional training (CT) group. CT group performed bench press and lat pull-down exercises, and the MRT group performed similar movements with resistance provided by a personal trainer. Both groups completed similar training protocol and training load: 2 training sessions weekly for 3 sets of 8 repetitions at an intensity of 8 to 10 on the perceived exertion scale of 0-10. Initial maximum strength differences were not significant between the groups. Neither group showed significant changes in muscular strength or endurance. Despite the statistically non-significant pre- to post differences, a trend for improvement was observed and effect size (ES) calculations indicated greater magnitude of effects for strength and endurance changes in the MRT group in lat pulldown (g=0.84) compared to CT group. Effectiveness of MRT is similar to CT for improving muscular strength and endurance. MRT can be used as a supplemental or alternative strength training modality for recreationally trained subjects, or be considered by personal trainers especially in low equipped facility conditions.

Key words: Strength training, bench press, lat pull-down, maximum strength

           Key Points
  • Resistance training promotes improvement in muscular strength and endurance
  • MRT is an effective alternative form of resistance training for recreationally trained men.
  • MRT can be effective to improve muscular strength and endurance in recreationally trained men.
  • MRT should be considered as alternative form of resistance training by personal trainers and coaches.
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