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1.
J Sci Med Sport ; 2024 Jul 11.
Article in English | MEDLINE | ID: mdl-39060209

ABSTRACT

OBJECTIVES: Strength assessment and comparison to normative values are an important benchmarking tool in human health and performance. However, population specific normative data are several decades old, lack information about adolescent and adult strength levels and are not representative of the strength levels of strength trained individuals. The purpose of this study was to develop contemporary strength norms for the squat, bench press, and deadlift using powerlifters competing in un-equipped, drug-tested competitions. DESIGN: Retrospective cross-sectional analysis. METHODS: Retrospective data from global drug-tested, unequipped powerlifting competitions were collated with 809,986 samples (571,650 males, 238,336 females) included. Strength was assessed according to sex, United Nations age classifications, and competitive powerlifting weight class. Strength was expressed relatively (ratio of weight lifted/bodyweight) and computed for the 10th-90th percentile for each of the above categories. RESULTS: Relative strength was greatest for young adults (18-35 years; 90th percentile for squat [male: 2.83 × bodyweight, female: 2.26], bench press [male: 1.95, female: 1.35], deadlift [male: 3.25, female: 2.66]) before declining thereafter for all three exercises. Although lower than their younger counterparts, very old adults (>80 years) had 90th percentile data for the squat of male: 1.72 and female: 1.01, bench press: male: 1.31 and female: 0.92, and deadlift: male: 2.30 and female: 1.68. CONCLUSIONS: These findings provide a comprehensive, accurate and precise representation of strength for drug-tested, unequipped powerlifters in each category and serve as a point of reference for other trained population groups. To facilitate uptake and ease of comparison, we have developed a freely available online tool (www.thestrengthinitiative.com).

2.
J Strength Cond Res ; 38(3): 584-591, 2024 Mar 01.
Article in English | MEDLINE | ID: mdl-38227904

ABSTRACT

ABSTRACT: Beaumont, P, Garrett, J, and van den Hoek, D. How do intracompetition strategies differ between para powerlifting podium and nonpodium athletes? A retrospective, cross-sectional analysis. J Strength Cond Res 38(3): 584-591, 2024-This study aimed to investigate the intracompetition strategies used by para powerlifters and quantify and report them for application by coaches and athletes to improve their odds of competitive success. A cross-sectional retrospective analysis was conducted using a public powerlifting database. Primary analysis categorized athletes as either podium (POD) or nonpodium (NPOD), and a subanalysis classified athletes as either gold medalists (GMs) or silver and bronze medalists (SBMs). Analyses of variance were used to assess the significance of the difference between groups. Pearson's correlations were used to evaluate the magnitude of the relationships and binary logistic regressions were used to quantify the variables. Results are reported as odds ratios, and an alpha level of p < 0.05 was considered statistically significant. There was a significant difference in mean age (POD = 1.6 years younger; p < 0.001), body mass (POD = 2.7 kg heavier; p = 0.006), and best lift (POD = 19.5 kg greater; p < 0.001) for female POD athletes compared with NPOD athletes. For male POD athletes compared with NPOD athletes, there was a difference in mean age (POD = 0.6 years younger; p = 0.035) and best lift (POD = 28.4 kg greater; p < 0.001). Comparing GMs with SBMs showed a significant difference in the mean best lift in both men (GM = 17.4 kg greater; p < 0.001) and women (GM = 11.1 kg greater; p < 0.001). A positive relationship was seen in both the primary and subanalysis between the number of successful lifts (of 3) and an increase in the odds of competitive success (i.e., winning). The findings of this research indicate that high-performing para powerlifters tend to choose attempt weights that prioritize the successful completion of all 3 intracompetition lifts to win a competition.


Subject(s)
Athletic Performance , Weight Lifting , Humans , Male , Female , Infant , Cross-Sectional Studies , Retrospective Studies , Athletes
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