Kinematic and Kinetic Analysis of Maximal Velocity Deadlifts Performed With and Without the Inclusion of Chain Resistance

Swinton, Paul; Stewart, Arthur D.; Keogh, Justin W L; Agouris, Ioannis; Lloyd, Ray

doi:10.1519/jsc.0b013e318212e389

Cited by 35 publications

(48 citation statements)

References 39 publications

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“…Recent work has examined training devices that are designed to match the changing mechanical and inertial characteristics associated with isotonic resistance (23) by providing some form of variable resistance (e.g., heavy elastic bands (1,3,9,18,23,28,30) or chains (9,18,25)). In the case of bands, 1 end is usually attached to a barbell, whereas the other end is anchored to the floor or some other stationary site.…”

Section: Introductionmentioning

confidence: 99%

Acute Effects of Elastic Bands on Kinetic Characteristics During the Deadlift at Moderate and Heavy Loads

Galpin

Malyszek

Davis

et al. 2015

Journal of Strength and Conditioning Research

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Loading a barbell with variable resistance positively alters kinetic characteristics during the back squat and bench press but has never been studied during the deadlift. The purpose of this project was to examine the acute effects of combining elastic bands and free weights during the deadlift at moderate and heavy loads. Twelve trained men (age: 24.08 ± 2.35 years, height: 175.94 ± 5.38 cm, mass: 85.58 ± 12.49 kg, deadlift 1 repetition maximum (RM): 188.64 ± 16.13 kg) completed 2 variable resistance (B1 and B2) and 1 traditional free-weight (NB) condition at both 60 and 85% 1RM on a force plate. B1 had 15% resistance from bands, with the remaining 85% from free weights. B2 had 35% bands and 65% free weights. NB used free weights only. Average resistance was equated for all conditions. Power and velocity generally increased, whereas force decreased with the addition of bands. The amount of band tension (B1 or B2) had little impact on power when lifting at 60% 1RM. However, greater resistance from bands resulted in greater peak and relative power when lifting at 85% 1RM. Adding elastic bands decreased time to peak force (PF), time between PF and peak power (PP), and time between PF and peak velocity (PV) when compared with NB at 60% 1RM (NB > B1 > B2). These differences only reached significance for NB > B2 when lifting at 85% 1RM. These same differences existed for time between PP and PV. Thus, the amount of tension from bands has less impact on interpeak variables at heavier absolute loads. Practitioners should consider using heavy bands when prescribing the deadlift for speed or power, but not maximal force.

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Section: Introductionmentioning

confidence: 99%

Acute Effects of Elastic Bands on Kinetic Characteristics During the Deadlift at Moderate and Heavy Loads

Galpin

Malyszek

Davis

et al. 2015

Journal of Strength and Conditioning Research

View full text Add to dashboard Cite

show abstract

“…These results support the position that adding chains to exercises with ascending force-time curves allows the lifter to produce a greater amount of force when it is in mechanical advantage. However, the effects of the chains may have been influenced by the amount of resistance provided as well as by the chains, also by the barbell, with larger effects obtained when heavier loads of both chains and plates weight were used (Swinton et al, 2011).…”

Section: Chains and Strengthmentioning

confidence: 99%

Untitled

2019

JPES

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We continually try to develop new training techniques by constantly trying to improve the adaptations of strength and power in vivo. A relatively innovative and interesting method, used as a mechanism to produce variable resistance within the single repetition, concerns the addition of chains to the most common resistance with plates. The logic inherent to the use of chains is that these provide a variable resistance, unlike that provided by the plates alone, which turns out to be of a constant type, thus you could get more benefits in different areas of physical conditioning. After introducing the main biomechanical characteristics associated with this type of resistance material, and having identified a series of solutions on the quantification and standardization of the real resistive load and on the correct setup of the chains, the objective of this review was to highlight and above all to analyze the various deficiencies present in the literature, making sure that the latter could be studied and eliminated through future research. At present, concerning the various components involved in physical conditioning, as a strength, power and rate of force development, a dissimilar result base emerges; while more convincing results emerged for the use of chains in shoulder pain prevention during bench press performance. In conclusion, based on the results of the various investigations to the detriment of the encouraging theories that accompany the use of chains, there is a literature that shows not questionable results, due to multiple variables not yet considered or treated in an approximate way.

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“…Among them, there are general reports on the impact of technological facilities on the result [1], detailed papers regarding the structural dimensions of the competitors' bodies [2], as well as comments about the essence of stretching [3], vibration exercise [4], or sports performance. Studies concerning techniques in PL [5] and the values of selected muscle bio-potentials during their implementation [6] are particularly interesting.…”

Section: Introductionmentioning

confidence: 99%

Diagnostic sources of information on sports result determinants in young powerlifting athletes

Ryguła¹,

Płóciennik²,

Lipińska³

2018

Hum Mov.

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Purpose. Sports results in powerlifting have been extensively studied, but there is no analysis of the diagnostic sources of criteria for selecting 19-20-year-old athletes. Therefore, it is important to continue the study of factors affecting performance in powerlifting, not only in individual events, but also in the entire discipline. There were two research objectives in the study: firstly, to identify a set of independent (predictor) variables contributing to sports results (outcome variable) in powerlifting using the least numbers of those variables, and secondly, to develop a biometric regression model describing the sports result. Methods. The study group (n = 30) comprised juniors (aged 19.4 ± 0.7) training powerlifting. The following methods of collecting information were used: observation, survey, and analytical methods of diagnostics: analysis of multiple regression functions, and selection of optimal variables with the use of Hellwig's algorithm. Results. The optimal set of variables predicting sports results in junior powerlifting consists of nine features. The integral capacity of the selected information sources reached the value of 0.891. Conclusions. It was confirmed that body composition, special physical fitness, and the technique of movement would constitute the optimum combination of explanatory variables of the model. These characteristics have the highest value as diagnostic and selection criteria and should not be overlooked.

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Kinematic and Kinetic Analysis of Maximal Velocity Deadlifts Performed With and Without the Inclusion of Chain Resistance

Cited by 35 publications

References 39 publications

Acute Effects of Elastic Bands on Kinetic Characteristics During the Deadlift at Moderate and Heavy Loads

Acute Effects of Elastic Bands on Kinetic Characteristics During the Deadlift at Moderate and Heavy Loads

Untitled

Diagnostic sources of information on sports result determinants in young powerlifting athletes

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