Validity of the bench press one-repetition maximum test predicted through individualized load-velocity relationship using different repetition criteria and minimal velocity thresholds

Alejandro Pérez-Castilla, John Fernandes, Amador Garcia-Ramos

Research output: Contribution to journalJournal Articlepeer-review

11 Citations (Scopus)
327 Downloads (Pure)

Abstract

BACKGROUND: More practical and less fatiguing strategies have been developed to accurately predict the one-repetition maximum (1RM).
OBJETIVE: To compare the accuracy of the estimation of the free-weight bench press 1RM between six velocity-based 1RM prediction methods.
METHODS: Sixteen men performed an incremental loading test until 1RM on two separate occasions. The first session served to determine the minimal velocity threshold (MVT). The second session was used to determine the validity of the six 1RM prediction methods based on 2 repetition criteria (fastest or average velocity) and 3 MVTs (general MVT of 0.17 ms-1, individual MVT of the preliminary session, and individual MVT of the validity session). Five loads (≈25-40-55-70-85% of 1RM) were used to assess the individualized load-velocity relationships.
RESULTS: The absolute difference between the actual and predicted 1RM were low (range=2.7–3.7%) and did not reveal a significant main effect for repetition criterion (P=0.402), MVT (P=0.173) or their two-way interaction (P=0.354). Furthermore, all 1RM prediction methods accurately estimated bench press 1RM (P0.556; ES0.02; r0.99).
CONCLUSIONS: The individualized load-velocity relationship provides an accurate prediction of the 1RM during the free-weight bench press exercise, while the repetition criteria and MVT do not appear to meaningfully affect the prediction accuracy.
Original languageEnglish
Pages (from-to)369-377
Number of pages9
JournalIsokinetics and Exercise Science
Volume29
Issue number4
Early online date22 Jan 2021
DOIs
Publication statusPublished - 19 Oct 2021

Keywords

  • Biophysics
  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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