Journal of Aging Research (Jan 2025)

Using 30-s Prone Back Extension Repetition Maximum Test to Predict Concentric and Eccentric 1 Repetition Maximum Squat Strength in Young and Older Adults

  • Michael T. Dunn,
  • Phuong Quach,
  • Monica McGraw,
  • Robert C. Barefoot,
  • Richard I. Preus,
  • Donald H. Lein,
  • Harshvardhan Singh

DOI
https://doi.org/10.1155/jare/6744171
Journal volume & issue
Vol. 2025

Abstract

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Discussion: Novel data from our study show that 30-s prone back extension repetition maximum can predict 1RM of concentric and eccentric squat strength in young and older adults, respectively. Thus, clinicians and rehabilitation professionals can use our novel equations to design concentric- and eccentric-biased resistive training programs in young and older adults, respectively, without testing for 1RM.