The dynamic strength index is a reliable and feasible tool to assess neuromuscular performance in male and female handball players

References

• Aben, H. G. J., Hills, S. P., Higgins, D., Cooke, C. B., Davis, D., Jones, B., & Russell, M. (2020). The reliability of neuromuscular and perceptual measures used to profile recovery, and the time-course of such responses following academy rugby league match-play. Sports (Basel), 8(5), 73. https://doi.org/10.3390/sports8050073
   PubMedGoogle Scholar
• Badby, A. J., Mundy, P. D., Comfort, P., Lake, J. P., & McMahon, J. J. (2023). The validity of Hawkin Dynamics wireless dual force plates for measuring countermovement jump and drop jump variables. Sensors (Basel), 23(10), 4820. https://doi.org/10.3390/s23104820
   PubMed Web of Science ®Google Scholar
• Bishop, C., Shrier, I., & Jordan, M. (2023). Ratio data: Understanding pitfalls and knowing when to standardise. Symmetry, 15(2), 318. https://doi.org/10.3390/sym15020318
   Google Scholar
• Bonett, D. G. (2002). Sample size requirements for estimating intraclass correlations with desired precision. Statistics in Medicine, 21(9), 1331–1335. https://doi.org/10.1002/sim.1108
   PubMed Web of Science ®Google Scholar
• Borg, D. N., Bach, A. J. E., O’Brien, J. L., & Sainani, K. L. (2022). Calculating sample size for reliability studies. PM&R, 14(8), 1018–1025. https://doi.org/10.1002/pmrj.12850
   Web of Science ®Google Scholar
• Chelly, M. S., Hermassi, S., Aouadi, R., & Shephard, R. J. (2014). Effects of 8-week in-season plyometric training on upper and lower limb performance of elite adolescent handball players. Journal of Strength and Conditioning Research, 28(5), 1401–1410. https://doi.org/10.1519/JSC.0000000000000279
   PubMed Web of Science ®Google Scholar
• Cherif, M., Chtourou, H., Souissi, N., Aouidet, A., & Chamari, K. (2016). Maximal power training induced different improvement in throwing velocity and muscle strength according to playing positions in elite male handball players. Biology of Sport, 33(4), 393–398. https://doi.org/10.5604/20831862.1224096
   PubMed Web of Science ®Google Scholar
• Comfort, P., Dos’Santos, T., Beckham, G. K., Stone, M. H., Guppy, S. N., & Haff, G. G. (2019). Standardization and methodological considerations for the isometric midthigh pull. Strength & Conditioning Journal, 41(2), 57–79. https://doi.org/10.1519/SSC.0000000000000433
   Web of Science ®Google Scholar
• Comfort, P., & McMahon, J. J. (2015). Reliability of maximal back squat and power clean performances in inexperienced athletes. Journal of Strength and Conditioning Research, 29(11), 3089–3096. https://doi.org/10.1519/JSC.0000000000000815
   PubMed Web of Science ®Google Scholar
• Comfort, P., Thomas, C., Dos’Santos, T., Jones, P. A., Suchomel, T. J., & McMahon, J. J. (2018a). Comparison of methods of calculating dynamic strength index. International Journal of Sports Physiology and Performance, 13(3), 320–325. https://doi.org/10.1123/ijspp.2017-0255
   PubMed Web of Science ®Google Scholar
• Comfort, P., Thomas, C., Dos’santos, T., Suchomel, T. J., Jones, P. A., & McMahon, J. J. (2018b). Changes in dynamic strength index in response to strength training. Sports (Basel), 6(4), 176. https://doi.org/10.3390/sports6040176
   PubMedGoogle Scholar
• Cormack, S. J., Newton, R. U., McGulgan, M. R., & Doyle, T. L. A. (2008). Reliability of measures obtained during single and repeated countermovement jumps. International Journal of Sports Physiology and Performance, 3(2), 131–144. https://doi.org/10.1123/ijspp.3.2.131
   PubMed Web of Science ®Google Scholar
• Dos’Santos, T., Jones, P. A., Kelly, J., McMahon, J. J., Comfort, P., & Thomas, C. (2019). Effect of sampling frequency on isometric midthigh-pull kinetics. International Journal of Sports Physiology and Performance, 14(4), 525–530. https://doi.org/10.1123/ijspp.2019-2015-0222
   PubMed Web of Science ®Google Scholar
• Dos’Santos, T., Thomas, C., Comfort, P., McMahon, J. J., Jones, P. A., Oakley, N. P., & Young, A. L. (2018). Between-session reliability of isometric midthigh pull kinetics and maximal power clean performance in male youth soccer players. Journal of Strength and Conditioning Research, 32(12), 3364–3372. https://doi.org/10.1519/JSC.0000000000001830
   PubMed Web of Science ®Google Scholar
• García-Sánchez, C., Navarro, R. M., Karcher, C., & de la Rubia, A. (2023). Physical demands during official competitions in elite handball: A systematic review. International Journal of Environmental Research and Public Health, 20(4), 3353. https://doi.org/10.3390/ijerph20043353
   PubMedGoogle Scholar
• Grgic, J., Scapec, B., Mikulic, P., & Pedisic, Z. (2022). Test-retest reliability of isometric mid-thigh pull maximum strength assessment: A systematic review. Biology of Sport, 39(2), 407–414. https://doi.org/10.5114/biolsport.2022.106149
   PubMed Web of Science ®Google Scholar
• Halperin, I., Williams, K. J., Martin, D. T., & Chapman, D. W. (2016). The effects of attentional focusing instructions on force production during the isometric midthigh pull. Journal of Strength and Conditioning Research, 30(4), 919–923. https://doi.org/10.1519/JSC.0000000000001194
   PubMed Web of Science ®Google Scholar
• Hermassi, S., Chelly, M. S., Tabka, Z., Shephard, R. J., & Chamari, K. (2011). Effects of 8-week in-season upper and lower limb heavy resistance training on the peak power, throwing velocity, and sprint performance of elite male handball players. Journal of Strength and Conditioning Research, 25(9), 2424–2433. https://doi.org/10.1519/JSC.0b013e3182030edb
   PubMed Web of Science ®Google Scholar
• Hopkins, W. G. (2017). Spreadsheets for analysis of validity and reliability. Sportscience, 21, 36–44. sportsci.org/2015/ValidRely.htm
   Google Scholar
• Hopkins, W. G., Marshall, S. W., Batterham, A. M., & Hanin, J. (2009). Progressive statistics for studies in sports medicine and exercise science. Medicine & Science in Sports & Exercise, 41(1), 3–12. https://doi.org/10.1249/MSS.0b013e31818cb278
   PubMed Web of Science ®Google Scholar
• James, L. P., Roberts, L. A., Haff, G. G., Kelly, V. G., & Beckman, E. M. (2017). Validity and reliability of a portable isometric mid-thigh clean pull. Journal of Strength and Conditioning Research, 31(5), 1378–1386. https://doi.org/10.1519/JSC.0000000000001201
   PubMed Web of Science ®Google Scholar
• James, L. P., Talpey, S. W., Young, W. B., Geneau, M. C., Newton, R. U., & Gastin, P. B. (2022). Strength classification and diagnosis: Not all strength is created equal. Strength & Conditioning Journal, 45(3), 333–341. https://doi.org/10.1519/SSC.0000000000000744
   Web of Science ®Google Scholar
• Karcher, C., & Buchheit, M. (2014). On-court demands of elite handball, with special reference to playing positions. Sports Medicine, 44(6), 797–814. https://doi.org/10.1007/s40279-014-0164-z
   PubMed Web of Science ®Google Scholar
• Koo, T. K., & Li, M. Y. (2016). A guideline of selecting and reporting intraclass correlation coefficients for reliability research. Journal of Chiropractic Medicine, 15(2), 155–163. https://doi.org/10.1016/j.jcm.2016.02.012
   PubMed Web of Science ®Google Scholar
• Lake, J., Mundy, P., Comfort, P., McMahon, J. J., Suchomel, T. J., & Carden, P. (2018). Concurrent validity of a portable force plate using vertical jump force-time characteristics. Journal of Applied Biomechanics, 34(5), 410–413. https://doi.org/10.1123/jab.2017-0371
   PubMed Web of Science ®Google Scholar
• Manchado, C., Tortosa-Martínez, J., Vila, H., Ferragut, C., & Platen, P. (2013). Performance factors in women’s team handball: Physical and physiological aspects–a review. Journal of Strength and Conditioning Research, 27(6), 1708–1719. https://doi.org/10.1519/JSC.0b013e3182891535
   PubMed Web of Science ®Google Scholar
• Markovic, G., Dizdar, D., Jukic, I., & Cardinale, M. (2004). Reliability and factorial validity of squat and countermovement jump tests. Journal of Strength and Conditioning Research, 18(3), 551–555. https://doi.org/10.1519/1533-4287(2004)18<551:RAFVOS>2.0.CO;2
   PubMed Web of Science ®Google Scholar
• Marques, M. C., Aidar, F. J., Abrantes, C., & Aidar, F. (2011). Associations between rate of force development metrics and throwing velocity in elite team handball players: A short research report. Journal of Human Kinetics, 29A( Special-Issue), 53–57. https://doi.org/10.2478/v10078-011-0059-0
   PubMedGoogle Scholar
• McMahon, J. J., Jones, P. A., Dos’Santos, T., & Comfort, P. (2017). Influence of dynamic strength index on countermovement jump force-, power-, velocity-, and displacement-time curves. Sports (Basel), 5(4), 72. https://doi.org/10.3390/sports5040072
   PubMedGoogle Scholar
• McMahon, J. J., Ripley, N. J., & Comfort, P. (2022). Force plate-derived countermovement jump normative data and benchmarks for professional rugby league players. Sensors (Basel), 22(22), 8669. https://doi.org/10.3390/s22228669
   PubMed Web of Science ®Google Scholar
• McMaster, D. T., Gill, N., Cronin, J., & McGuigan, M. (2014). A brief review of strength and ballistic assessment methodologies in sport. Sports Medicine (Auckland, N.Z.), 44(5), 603–623. https://doi.org/10.1007/s40279-014-0145-2
   PubMed Web of Science ®Google Scholar
• Merrigan, J. J., Stone, J. D., Galster, S. M., & Hagen, J. A. (2022). Analyzing force-time curves: Comparison of commercially available automated software and custom MATLAB analyses. Journal of Strength and Conditioning Research, 36(9), 2387–2402. https://doi.org/10.1519/JSC.0000000000004275
   PubMed Web of Science ®Google Scholar
• Owen, N. J., Watkins, J., Kilduff, L. P., Bevan, H. R., & Bennett, M. A. (2014). Development of a criterion method to determine peak mechanical power output in a countermovement jump. Journal of Strength and Conditioning Research, 28(6), 1552–1558. https://doi.org/10.1519/JSC.0000000000000311
   PubMed Web of Science ®Google Scholar
• Pérez-Castilla, A., Rojas, F. J., Gómez-Martínez, F., & García-Ramos, A. (2021). Vertical jump performance is affected by the velocity and depth of the countermovement. Sports Biomechanics, 20(8), 1015–1030. https://doi.org/10.1080/14763141.2019.1641545
   PubMed Web of Science ®Google Scholar
• Pérez-Castilla, A., Weakley, J., García-Pinillos, F., Rojas, F. J., & García-Ramos, A. (2021). Influence of countermovement depth on the countermovement jump-derived reactive strength index modified. European Journal of Sport Science, 21(12), 1606–1616. https://doi.org/10.1080/17461391.2020.1845815
   PubMed Web of Science ®Google Scholar
• Pleša, J., Ujaković, F., Bishop, C., Kozinc, Ž., & Šarabon, N. (2023). Dynamic strength index in basketball players: Age and position differences, seasonal variation and association with sprinting and change of direction performance. Journal of Science in Sport and Exercise, 1–10. https://doi.org/10.1007/s42978-023-00222-3
   PubMedGoogle Scholar
• Sheppard, J. M., Chapman, D., & Taylor, K.-L. (2011). An evaluation of a strength qualities assessment method for the lower body. Journal of Australian Strength and Conditioning, 19, 4–10. https://www.researchgate.net/profile/Dale-Chapman/publication/270904788_An_Evaluation_of_a_Strength_Qualities_Assessment_Method_for_the_Lower_Body/links/54b9a3700cf253b50e2a9913/An-Evaluation-of-a-Strength-Qualities-Assessment-Method-for-the-Lower-Body.pdf
   Google Scholar
• Suchomel, T. J., Nimphius, S., & Stone, M. H. (2016). The Importance of Muscular Strength in Athletic Performance. Sports Medicine (Auckland, N.Z.), 46(10), 1419–1449. https://doi.org/10.1007/s40279-016-0486-0
   PubMed Web of Science ®Google Scholar
• Suchomel, T. J., Sole, C. J., Bellon, C. R., & Stone, M. H. (2020). Dynamic Strength Index: Relationships with common performance variables and contextualization of training recommendations. Journal of Human Kinetics, 74(1), 59–70. https://doi.org/10.2478/hukin-2020-0014
   PubMed Web of Science ®Google Scholar
• Taber, C., Bellon, C., Abbott, H., & Bingham, G. E. (2016). Roles of maximal strength and rate of force development in maximizing muscular power. Strength & Conditioning Journal, 38(1), 71–78. https://doi.org/10.1519/SSC.0000000000000193
   Web of Science ®Google Scholar
• Thomas, C., Jones, P. A., & Comfort, P. (2015). Reliability of the dynamic strength index in college athletes. International Journal of Sports Physiology and Performance, 10(5), 542–545. https://doi.org/10.1123/ijspp.2014-0255
   PubMed Web of Science ®Google Scholar
• Turner, A. N., Comfort, P., McMahon, J., Bishop, C., Chavda, S., Read, P., Mundy, P., & Lake, J. (2020). Developing powerful athletes, part 1: Mechanical underpinnings. Strength & Conditioning Journal, 42(3), 30–39. https://doi.org/10.1519/SSC.0000000000000543
   Web of Science ®Google Scholar
• Weakley, J., Black, G., McLaren, S., Scantlebury, S., Suchomel, T. J., McMahon, E., Watts, D., & Read, D. B. (2023). Testing and profiling athletes: Recommendations for test selection, implementation, and maximizing information. Strength and Conditioning Journal, 10–1519. https://doi.org/10.1519/SSC.0000000000000784
   Google Scholar
• Weir, J. P. (2005). Quantifying test-retest reliability using the intraclass correlation coefficient and the SEM. Journal of Strength and Conditioning Research, 19(1), 231–240. https://doi.org/10.1519/15184.1
   PubMed Web of Science ®Google Scholar
• Young, K. P., Haff, G. G., Newton, R. U., Gabbett, T. J., & Sheppard, J. M. (2015). Assessment and monitoring of ballistic and maximal upper-body strength qualities in athletes. International Journal of Sports Physiology and Performance, 10(2), 232–237. https://doi.org/10.1123/ijspp.2014-0073
   PubMed Web of Science ®Google Scholar