James Peter Fisher1, James Steele1. 1. School of Sport, Health and Social Sciences, Southampton Solent University, East Park Terrace, Southampton, SO14 0YN, UK.
Abstract
INTRODUCTION: It has been suggested that disparities in effort and discomfort between high- and low-load resistance training might exist, which in turn have produced unequivocal adaptations between studies. METHODS: Strength responses to heavier load (HL; 80% maximum voluntary isometric torque; MVIT) and lighter load (LL; 50% MVIT) resistance training were examined in addition to acute perceptions of effort and discomfort. Seven men (20.6 ± 0.5 years, 178.9 ± 3.2 cm, 77.1 ± 2.7 kg) performed unilateral resistance training of the knee extensors to momentary failure using HL and LL. RESULTS: Analyses revealed significant pre- to post-intervention increases in strength for both HL and LL, with no significant between-group differences (P > 0.05). Mean repetitions per set, total training time, and discomfort were all significantly higher for LL compared with HL (P < 0.05). CONCLUSION: This study indicates that resistance training with HL and LL produces similar strength adaptations, but discomfort should be considered before selecting a training load. Muscle Nerve 56: 797-803, 2017.
INTRODUCTION: It has been suggested that disparities in effort and discomfort between high- and low-load resistance training might exist, which in turn have produced unequivocal adaptations between studies. METHODS: Strength responses to heavier load (HL; 80% maximum voluntary isometric torque; MVIT) and lighter load (LL; 50% MVIT) resistance training were examined in addition to acute perceptions of effort and discomfort. Seven men (20.6 ± 0.5 years, 178.9 ± 3.2 cm, 77.1 ± 2.7 kg) performed unilateral resistance training of the knee extensors to momentary failure using HL and LL. RESULTS: Analyses revealed significant pre- to post-intervention increases in strength for both HL and LL, with no significant between-group differences (P > 0.05). Mean repetitions per set, total training time, and discomfort were all significantly higher for LL compared with HL (P < 0.05). CONCLUSION: This study indicates that resistance training with HL and LL produces similar strength adaptations, but discomfort should be considered before selecting a training load. Muscle Nerve 56: 797-803, 2017.
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