Abstract details

Abstract-ID: 254
Title of the paper: Superior Training Specific Adaptations with an 8-week Yoak Push-up Training Program
Authors: Camila D. Lima, Yimeng Li, Jonathan L. Low, Nehara Herat, David G. Behm
Institution: Memorial University of Newfoundland
Department: School of Human Kinetics and Recreation
Country: Canada
Abstract text INTRODUCTION:
There are few progressive metastability training programs in the literature. The purpose of this study was to investigate changes in strength, endurance, muscle activation and neuromuscular efficiency after an 8-week progressive, push-up training program under stable and unstable conditions.
Nineteen male and female recreationally-trained participants performed a twice per week, 8-week push-up training program, using either a relatively unstable suspension system or under stable conditions. Participants were tested in two separate sessions pre- and post-training for maximal voluntary isometric contraction , and unstable and stable push-up endurance. Participants were tested during all testing measures for anterior deltoid , biceps brachii , triceps brachii and serratus anterior electromyography activity. The training progression consisted of altering the suspension configurations, push-up height and increasing the number of sets <1-3 sets>.
Both groups increased the number of push-up repetitions by 56% with a greater number of push-ups performed during stable testing condition. The stable trained group when performing push-ups on the Yoak suspension system performed 153.3%, and 33.8% less repetitions than the Yoak trained group when performing push-ups on the Yoak or on the stable floor respectively . Both groups increased MVIC forces <4.8%; p<0.05> from pre to post training. However, the Yoak MVIC forces exceeded the stable group by 9.2% . For neuromuscular efficiency Yoak group decreased <30.4%; p=0.01> and stable group increased <97.8%; p=0.02> BB EMG activity from pre to post-training. AD and SA EMG activity decreased for Yoak group for both testing conditions. Only the stable group decreased <62.2%; p=0.04> SA EMG activity after the Yoak push-ups testing condition. Both training groups demonstrated decreases with the TB fatigue index from pre- to post-training. Nevertheless, Yoak group demonstrated 12.5% and 8.9% lower fatigue index with TB and SA respectively than the stable group.
These findings suggest that Yoak training demonstrates superior improvements over stable training for push-up endurance, neuromuscular efficiency, MVIC and fatigue index.
Topic: Training and Testing
Keyword I: push-up training
Keyword II: neuromuscular efficiency
Keyword III: fatigue index