Neuromuscular predictors of competition performance in advanced international female weightlifters: a cross-sectional and longitudinal analysis

Joffe, Shaun A.; Tallent, Jamie

doi:10.1080/02640414.2020.1737396

Cited by 21 publications

(29 citation statements)

References 35 publications

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“…Indeed, while direct causal evidence is sparse, there exists strong relationships between measures of maximum strength and weightlifting ability among weightlifters of a variety of competitive levels. between isometric mid-thigh pull peak force and the snatch among British international women weightlifters [52]. Collectively, these data provide some evidence toward the notion that strength is an important determinant of weightlifting ability.…”

Section: Discussionmentioning

confidence: 62%

“…A lack of consistent statistical or effect size differences among the top-three women or top-three men suggests that other factors, such as strength, may help to explain differences in weightlifting performance and ability. Furthermore, the short latency of technique stabilization [1,56] and subsequent difficulty of creating robust changes in technique [57] highlight the practical importance of strength in the long-term improvement of weightlifting performance and ability, with one study observing that strength alone accounted for 42.5% of the variance in the change of weightlifting performance [52]. Thus, once an individual's technique is established, weightlifting training should primarily emphasize the development of strength and other related physical characteristics using a periodized approach [63,64] while incorporating complementary methods to refine technique [57].…”

Section: Discussionmentioning

confidence: 99%

“…Stone et al reported Pearson’s r = 0.79 to 0.95 for the relationships between back squat 1RM and snatch and clean 1RMs and Pearson’s r = 0.83 to 0.84 for the relationships between isometric mid-thigh pull peak force and snatch and clean 1RMs in national and international level junior and senior weightlifters from the United States [ 51 ]. Joffe and Tallant similarly observed Pearson’s r = 0.83 for the relationship between isometric mid-thigh pull peak force and the snatch among British international women weightlifters [ 52 ]. Collectively, these data provide some evidence toward the notion that strength is an important determinant of weightlifting ability.…”

Section: Discussionmentioning

confidence: 99%

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Survey of Barbell Trajectory and Kinematics of the Snatch Lift from the 2015 World and 2017 Pan-American Weightlifting Championships

Cunanan

Hornsby

South

et al. 2020

Sports

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Analysis of elite performances is important to elucidate the characteristics of effective weightlifting technique contributing to the highest level of achievement. The general technique of the weightlifting movements is well established. However, it is also apparent that weightlifting technique can differ based on athlete characteristics. Thus, existing technical models may not accurately reflect current technique of top performers or be applied generically to athletes of different skill, size, sex, or ability. Therefore, the purpose of this descriptive study was to update the scientific knowledge of snatch technique of top international weightlifters. This study used video analysis to determine barbell trajectory and kinematics of 319 successful snatch attempts from two major international competitions. Relative frequencies of barbell trajectory types differed based on competition, sex, category, and ranking. No statistical differences were observed among the top-three performers for either sex for most kinematic variables, and there were no overall discernible patterns of effect size differences for individual or clusters of kinematic variables. The results of this study indicate that weightlifting success can be achieved with a variety of technique profiles.

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Section: Discussionmentioning

confidence: 62%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Survey of Barbell Trajectory and Kinematics of the Snatch Lift from the 2015 World and 2017 Pan-American Weightlifting Championships

Cunanan

Hornsby

South

et al. 2020

Sports

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“…The RT program was manipulated to “fit” the running program, so as to not produce adverse effects (i.e., poor fatigue management), subject, case studies, involving detailed reporting of the athletes’ training over extended periods of time can provide important insight into high level sport. This study, along with many others of similar design, suggests the importance of: (1) focused training periods, (2) heavy and light training days, (3) and detailed, inclusive planning [ 63 , 64 , 65 ].…”

Section: Discussionmentioning

confidence: 77%

Strength, Endocrine, and Body Composition Alterations across Four Blocks of Training in an Elite 400 m Sprinter

Batra

Wetmore

Hornsby

et al. 2021

JFMK

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The ability to produce force rapidly has the potential to directly influence sprinting performance through changes in stride length and stride frequency. This ability is commonly referred to as the rate of force development (RFD). For this reason, many elite sprinters follow a combined program consisting of resistance training and sprint training. The purpose of this study was to investigate the strength, endocrine and body composition adaptations that occur during distinct phases of a block periodized training cycle in a 400 m Olympic level sprinter. The athlete is an elite level 400 m male sprinter (age 31 years, body mass: 74 kg, years of training: 15 and Personal Best (PB): 45.65 s). This athlete completed four distinct training phases of a block periodized training program (16 weeks) with five testing sessions consisting of testosterone:cortisol (T/C) profiles, body composition, vertical jump, and maximum strength testing. Large fluctuations in T/C were found following high volume training and the taper. Minor changes in body mass were observed with an abrupt decrease following the taper which coincided with a small increase in fat mass percentage. Jump height (5.7%), concentric impulse (9.4%), eccentric impulse (3.4%) and power ratio (18.7%) all increased substantially from T1 to T5. Relative strength increased 6.04% from T1 to T5. Lastly, our results demonstrate the effectiveness of a competitive taper in increasing physiological markers for performance as well as dynamic performance variables. Block periodization training was effective in raising the physical capabilities of an Olympic level 400 m runner which have been shown to directly transfer to sprinting performance.

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“…In terms of test validity, predictive validity is highly relevant for elite sports [ 7 ]. In this context, Joffe and Tallent [ 8 ] examined the predictive validity of peak power during vertical jumping and peak force during the isometric mid-thigh pull using a multiple linear regression model to determine weightlifting performance (i.e., 1RM snatch, clean and jerk, and total) in highly trained female weightlifters aged 23 years. These authors reported high relative (R 2 = 0.94–0.95) and absolute (standard error of estimate (SEE) = 3.8–9.5 kg) predictive validity.…”

Section: Introductionmentioning

confidence: 99%

Predictive Validity of the Snatch Pull Force-Velocity Profile to Determine the Snatch One Repetition-Maximum in Male and Female Elite Weightlifters

Sandau

Chaabène

Granacher

2021

JFMK

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Background: The prediction of one repetition-maximum (1RM) performance from specific tests is highly relevant for the monitoring of training in weightlifting. Therefore, this study aimed at examining the predictive validity of the theoretical 1RM snatch (snatchth) computed from the two-point snatch pull force-velocity relationship (FvR2) to determine actual snatch 1RM performance in elite weightlifters. Methods: Eight (three female, five male) elite weightlifters carried out a 1RM snatch test followed by a snatch pull test with loads of 80% and 110% of the previously determined 1RM snatch. Barbell kinematics were determined for all lifts using video-tracking. From the snatch pull barbell kinematics, the snatch pull FvR2 was modeled and the snatchth was calculated. Results: The main findings indicated a non-significant (p = 0.706) and trivial (d = 0.01) mean difference between the actual 1RM snatch performance and the snatchth. Both measures showed an extremely large correlation (r = 0.99). The prediction accuracy of the actual 1RM snatch from snatchth was 0.2 ± 1.5 kg (systematic bias ± standard deviation of differences). Conclusions: This study provides a new approach to estimate 1RM snatch performance in elite weightlifters using the snatch pull FvR2. The results demonstrate that the snatchth-model accurately predicts 1RM snatch performance.

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Neuromuscular predictors of competition performance in advanced international female weightlifters: a cross-sectional and longitudinal analysis

Cited by 21 publications

References 35 publications

Survey of Barbell Trajectory and Kinematics of the Snatch Lift from the 2015 World and 2017 Pan-American Weightlifting Championships

Survey of Barbell Trajectory and Kinematics of the Snatch Lift from the 2015 World and 2017 Pan-American Weightlifting Championships

Strength, Endocrine, and Body Composition Alterations across Four Blocks of Training in an Elite 400 m Sprinter

Predictive Validity of the Snatch Pull Force-Velocity Profile to Determine the Snatch One Repetition-Maximum in Male and Female Elite Weightlifters

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