Validation of the Wilks powerlifting formula

Vanderburgh, Paul M.; Batterham, Alan M.

doi:10.1097/00005768-199912000-00027

Cited by 56 publications

(42 citation statements)

References 10 publications

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“…The proportion of World to regional competitors was similar across the three bodyweight classes. This appears consistent with the finding that the Wilks score, as used in all IPF events to determine the Champion of Champions and as validated by Vanderburgh and Batterham (1999), did not differ significantly as a function of body mass.…”

Section: Participantssupporting

confidence: 88%

Anthropometric dimensions of male powerlifters of varying body mass

Keogh

Hume

Pearson

et al. 2007

Journal of Sports Sciences

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In this study, we examined the anthropometric dimensions of powerlifters across various body mass (competitive bodyweight) categories. Fifty-four male Oceania competitive powerlifters (9 lightweight, 30 middleweight, and 15 heavyweight) were recruited from one international and two national powerlifting competitions held in New Zealand. Powerlifters were assessed for 37 anthropometric dimensions by ISAK (International Society for the Advancement of Kinanthropometry) level II and III accredited anthropometrists. The powerlifters were highly mesomorphic and had large girths and bony breadths, both in absolute units and when expressed as Z(p)-scores compared through the Phantom (Ross & Wilson, 1974). These anthropometric characteristics were more pronounced in heavyweights, who were significantly heavier, had greater muscle and fat mass, were more endo-mesomorphic, and had larger girths and bony breadths than the lighter lifters. Although middleweight and heavyweight lifters typically had longer segment lengths than the lightweights, all three groups had similar Zp-scores for the segment lengths, indicating similar segment length proportions. While population comparisons would be required to identify any connection between specific anthropometric dimensions that confer a competitive advantage to the expression of maximal strength, anthropometric profiling may prove useful for talent identification and for the assessment of training progression in powerlifting.

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Section: Participantssupporting

confidence: 88%

Anthropometric dimensions of male powerlifters of varying body mass

Keogh

Hume

Pearson

et al. 2007

Journal of Sports Sciences

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show abstract

“…Kinematics and kinetics were analysed in the second session only. Based on the powerlifters most recent competition results the average Wilks score of the group was 403.6 ± 39.1 (31). The study was conducted three months after a regional competition where the majority of subjects were nearing the end of a training cycle aimed at matching or exceeding their previous competition performance.…”

Section: Methodsmentioning

confidence: 99%

A Biomechanical Analysis of Straight and Hexagonal Barbell Deadlifts Using Submaximal Loads

Swinton

Stewart

Agouris

et al. 2011

Journal of Strength and Conditioning Research

131

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“…Such comparisons may add to our understanding of the determinants of muscular strength in female and male lifters (Vanderburgh & Batterham, 1999;Vanderburgh & Dooman, 2000) and how inter-gender differences in anthropometry may contribute to these differences (Stefani, 2006). This type of research could be described as an examination of anthropometric sexual dimorphism, where sexual dimorphism refers to the existence of two different forms (of some characteristic) in a human population (Carter & Ackland, 1998).…”

Section: Introductionmentioning

confidence: 99%

To what extent does sexual dimorphism exist in competitive powerlifters?

Keogh

Hume

Pearson

et al. 2008

Journal of Sports Sciences

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We examined sexual dimorphism in the anthropometry of 68 Australasian and Pacific powerlifters (14 females, 54 males) who were competing in one of two national or international powerlifting competitions held in New Zealand. All powerlifters were assessed for 37 anthropometric dimensions by ISAK (International Society for the Advancement of Kinanthropometry) Level II and III accredited anthropometrists. While the powerlifters were highly mesomorphic and possessed large girths and bone breadths, both in absolute terms and when expressed as Z(p)-scores compared through the Phantom (Ross & Wilson, 1974), these characteristics were often more pronounced in male than female lifters. No significant inter-gender differences in any of the measures of adiposity were observed. When normalized through the Phantom, the female and male powerlifters had relatively similar segment lengths and bone breadths, indicating that regardless of gender, competitive powerlifters possess comparable skeletal proportions. These results indicate that although competitive powerlifters exhibit sexual dimorphism for many absolute anthropometric measures, little dimorphism is found for measures of adiposity and for proportional segment lengths and bone breadths. These results further support the importance of anthropometric profiling for powerlifting, and suggest that successful male and female powerlifters will possess similar proportional characteristics.

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Validation of the Wilks powerlifting formula

Abstract: As used currently (BP and TOT only), the Wilks formula appears to be a valid method to adjust powerlifting scores by body mass.

Cited by 56 publications

References 10 publications

Anthropometric dimensions of male powerlifters of varying body mass

Anthropometric dimensions of male powerlifters of varying body mass

A Biomechanical Analysis of Straight and Hexagonal Barbell Deadlifts Using Submaximal Loads

To what extent does sexual dimorphism exist in competitive powerlifters?

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