Document Detail


Mechanical load and physiological responses of four different resistance training methods in bench press exercise.
MedLine Citation:
PMID:  22692106     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
ABSTRACT: The purpose of the study was to compare the mechanical impact and the corresponding physiological responses of four different and often practically applied resistance training methods (RTM). Ten healthy male subjects (27.3 ± 3.2 years) experienced in resistance training performed one exhausting set of bench press exercise until exhaustion for each of the following RTM: Strength endurance (SE), fast force endurance (FFE), hypertrophy (HYP) and maximum strength (MAX). The RTM were defined by different lifting masses as well as different temporal distributions of the contraction modes per repetition. Mean concentric power (P), total concentric work (W) and exercise time (EXTIME) were determined. Oxygen uptake (V[Combining Dot Above]O2) was measured during exercise and for 30 minutes post-exercise. Mean V[Combining Dot Above]O2, volume of consumed O2 and excess post-exercise oxygen consumption (EPOC) were calculated over 30 minutes of recovery. Maximum blood lactate concentration (LAmax) was also determined post-exercise. P was significantly higher (p < 0.01) for FFE and MAX compared to SE and HYP. W was significantly higher for FFE than for all other RTM (p < 0.01) and it was also lower for SE than for MAX (p < 0.05). EXTIME for SE was significantly higher (p < 0.01) than for all other RTM, while EXTIME for MAX was significantly lower (p < 0.01) than for all other RTM. Mean V[Combining Dot Above]O2 was significantly higher during FFE than during all other RTM (p < 0.01). Consumed O2 was significantly higher (p < 0.05) during SE than for HYP and MAX and it was also significantly higher for FFE and HYP compared to MAX (p < 0.05). LAmax was significantly higher after FFE than after MAX (p < 0.05). There were no significant differences in EPOC between all RTM. The results indicate that FFE as well as MAX are adequate to train muscular power despite the discrepancy in the external load. As FFE performance achieves the highest amount in mechanical work, it also may elicit the highest total energy expenditure. FFE challenges aerobic metabolism most and SE enables the longest EXTIME, indicating both are appropriate to enhance aerobic muscular capacities. EPOC and LA values may indicate that energy needs covered by anaerobic metabolism are not higher during HYP and MAX compared with the RTM of lower external load.
Authors:
S Buitrago; N Wirtz; Z Yue; H Kleinöder; J Mester
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-11
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  -     ISSN:  1533-4287     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
1Institute of Training Science and Sport Informatics, German Sport University Cologne, Am Sportpark Müngersdorf, 50933 Cologne, Germany 2The German Research Center of Elite Sport, German Sport University Cologne, Am Sportpark Müngersdorf, 50933 Cologne, Germany.
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