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,
1Department of General and Specific Didactics, University of Alicante, Alicante. Spain 2Benestar Wellness Center, International Hypopressive & Physical Therapy Institute, Vigo, Spain 3International Hypopressive & Physical Therapy Institute, Vigo, Spain 4Department of Physical Therapy, University of Valencia, Valencia; Spain 5Department of Biosciences, Federal University of São Paulo, Santos, Brazil 6Faculty of Physical Education, Praia Grande College, Praia Grande, Brazil 7Department 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 Email: sdorgo@utep.edu
Received: 09-12-2016 -- Accepted: 21-06-2017 Published (online): 08-08-2017
ABSTRACT
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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Manual Resistance versus Conventional Resistance Training: Impact on Strength and Muscular Endurance in Recreationally Trained Men
Iván Chulvi-Medrano, Tamara Rial, Juan M. Cortell-Tormo, Yasser Alakhdar, Caue V. La Scala Teixeira, Laura Masiá-Tortosa, Sandor Dorgo
