Relationships of isometric mid-thigh pull variables to weightlifting performance

Document Type

Journal Article

Keywords

Athletic performance., Muscle strength, Resistance trainingarticle, comparative study, female, human, male, methodology, muscle isometric contraction, muscle strength, physiology, resistance training, skeletal muscle, thigh, weight lifting, Female, Humans, Isometric Contraction, Male, Muscle Strength, Muscle, Skeletal, Resistance Training, Thigh, Weight Lifting

Publisher

Edizioni Minerva Medica

Faculty

Faculty of Health, Engineering and Science

School

School of Exercise and Health Sciences / Centre for Exercise and Sports Science Research

RAS ID

15849

Comments

Beckham, G., Miziguchi, S., Carter, C., Sato, K., Ramsey, M., Lamont, H., Hornsby, G., Haff, G., & Stone, M. (2013). Relationships of isometric mid-thigh pull variables to weightlifting performance. Journal of Sports Medicine and Physical Fitness , 53(5), 573-581. Available here

Abstract

Aim. The purpose of this study was to evaluate the relationship between weightlifting performance (snatch, clean and jerk, and total) and variables obtained from the isometric mid-thigh pull (IMTP). Methods. Twelve weightlifters, ranging from novice to advanced, performed the IMTP 10 days after a competition. Correlations were used to evaluate relationships between variables of the IMTP and absolute and scaled competition results. Results. Unsealed competition results correlated strongly with IRFD (0-200ms: r=0.567-0.645, 0-250ms: r=0.722-0.781) while results correlated weakly with Peak IRFD (5ms window, r=0.360-0.426). Absolute peak force values correlated very strongly with absolute values for the competition performance (r=0.830-0.838). Force at 100ms, 150ms, 200ms and 250ms also correlated strongly with competition results (r=0.643-0.647, r=0.605-0.636, r=0.714-0.732, r=0.801-0.804). Similar findings were noted for allometrically scaled values. Conclusion. Measures of average IRFD probably represent a more relevant variable to dynamic performance than does Peak IRFD (5ms). Maximum isometric strength also is likely to have a strong role in weightlifting performance.

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