The Validity and Reliability of the 1RM Bench Press Using Chain-loaded Resistance

McCurdy, Kevin; Langford, George A.; Jenkerson, David; Doscher, Michael

doi:10.1249/01.mss.0000274196.53100.65

Cited by 6 publications

(9 citation statements)

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“…First, we can observe some common features between the three graphs: the magnitude of the adaptational stimulus at the beginning is approximately the same for all types of loading, which then exponentially decays to zero. The similarity in the initial response is consistent with past empirical results (McCurdy et al 2008) and is not surprising as the loading parameters were (by design) challenging and in the range which is well established for inducing strength gains. Diminishing terminal response is also unsurprising, as the applied protocol lacked any progressive component which too is universally recognized as necessary for adaptation to continue over time (Ame 2009).…”

Section: Design Of Experimental Parameterssupporting

confidence: 87%

“…As the weight is lifted, the band is stretched and the resistance felt by the trainee is increased (Neelly et al 2001a). A similar increase in effective resistance can be achieved by attaching a chain to the load (Neelly et al 2010b;McCurdy et al 2008), see Fig. 1b, which is uncoiled and lifted off the floor during the lift as shown in Fig.…”

Section: Accommodating Resistancementioning

confidence: 71%

“…see (Anderson et al 2008;McCurdy et al 2008;Neelly et al 2010b;Rhea et al 2009). As the first test of the proposed model, we too adopted this scenario.…”

Section: Design Of Experimental Parametersmentioning

confidence: 99%

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A mathematical model of neuromuscular adaptation to resistance training and its application in a computer simulation of accommodating loads

Arandjelović

2010

Eur J Appl Physiol

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A large corpus of data obtained by means of empirical study of neuromuscular adaptation is currently of limited use to athletes and their coaches. One of the reasons lies in the unclear direct practical utility of many individual trials. This paper introduces a mathematical model of adaptation to resistance training, which derives its elements from physiological fundamentals on the one side, and empirical findings on the other. The key element of the proposed model is what is here termed the athlete's capability profile. This is a generalization of length and velocity dependent force production characteristics of individual muscles, to an exercise with arbitrary biomechanics. The capability profile, a two-dimensional function over the capability plane, plays the central role in the proposed model of the training-adaptation feedback loop. Together with a dynamic model of resistance the capability profile is used in the model's predictive stage when exercise performance is simulated using a numerical approximation of differential equations of motion. Simulation results are used to infer the adaptational stimulus, which manifests itself through a fed back modification of the capability profile. It is shown how empirical evidence of exercise specificity can be formulated mathematically and integrated in this framework. A detailed description of the proposed model is followed by examples of its application-new insights into the effects of accommodating loading for powerlifting are demonstrated. This is followed by a discussion of the limitations of the proposed model and an overview of avenues for future work.

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Section: Design Of Experimental Parameterssupporting

confidence: 87%

Section: Accommodating Resistancementioning

confidence: 71%

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A mathematical model of neuromuscular adaptation to resistance training and its application in a computer simulation of accommodating loads

Arandjelović

2010

Eur J Appl Physiol

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“…To improve stabilization, a portion of the chains remained in contact with the floor. High test-retest reliability has previously been found on the CBP (27).…”

Section: One-repetition Maximum Test Proceduresmentioning

confidence: 67%

Comparison of Chain- and Plate-Loaded Bench Press Training on Strength, Joint Pain, and Muscle Soreness in Division II Baseball Players

McCurdy

Langford

Ernest

et al. 2009

Journal of Strength and Conditioning Research

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The purpose of this study was to investigate the effects of chain- (CBP) and plate-loaded (PBP) bench press training on measures of strength, shoulder pain, and muscle soreness in Division II baseball players. Twenty-eight subjects with previous resistance training experience (4.8 +/- 2.7 years) completed the study while participating in off-season baseball practice. All subjects completed a one-repetition maximum pre- and posttest on the CBP and PBP and reported shoulder pain and muscle soreness on 15 occasions during training. Two treatment groups, CBP and PBP, trained 2 d.wk for 9 weeks during the off-season with a linear periodization strength training program. The CBP group used chains attached to the bar as the entire load, and the PBP group used only traditional plate-loaded resistance. The chains provided a variable resistance, with a reduction in load during the descent as the weight collected on the floor and with the load increasing during ascent as the weight was lifted from the floor. Statistically significant increases were found in strength scores after training for the CBP test (p < 0.001) and the PBP test (p < 0.001). Both groups were able to improve strength on the CBP and PBP, but no significant differences were found in strength gains between the groups on the CBP and PBP tests. Although levels of pain and soreness were not significantly different, a threefold difference was found for perceived levels of shoulder pain (mean totals of 2.15 vs. 6.14), whereas reported soreness was similar (9.38 vs. 10.57) for the CBP and PBP group, respectively. The data indicate that training with chain- and plate-loaded resistance produce similar short-term strength improvement on the chain- and plate-loaded bench press. Baseball players may benefit from CBP training with improved free-weight strength while minimizing shoulder stress.

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“…Dyno® dynamometer yielded CV values ranging from 4.3% to 6.2%. These values are slightly higher than other methods of measuring strength in the field, such as 1 repetition maximum with chain-loaded bars (CV 2.5%; 14) or an accelerometer to assess loaded squat jumps (CV 1.8%-3.2%; 3). However, they are still sufficiently low to detect performance changes.…”

Section: Discussionmentioning

confidence: 68%

Test-Retest Reliability and Sensitivity of the Concept2 Dyno Dynamometer

Bampouras

Marrin

Sankey

et al. 2014

Journal of Strength and Conditioning Research

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The Validity and Reliability of the 1RM Bench Press Using Chain-loaded Resistance

Cited by 6 publications

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A mathematical model of neuromuscular adaptation to resistance training and its application in a computer simulation of accommodating loads

A mathematical model of neuromuscular adaptation to resistance training and its application in a computer simulation of accommodating loads

Comparison of Chain- and Plate-Loaded Bench Press Training on Strength, Joint Pain, and Muscle Soreness in Division II Baseball Players

Test-Retest Reliability and Sensitivity of the Concept2 Dyno Dynamometer

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