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. 2023 Aug 15;11:e15863. doi: 10.7717/peerj.15863

Table 2. Validity of cross-validation on predicting %1RM from individual load velocity equation of Bulgarian split squat using a Smith machine and free weights.

Free weight (cross-validation from Smith machine equation) Smith machine (cross-validation from free weight equation)
Left limb Right limb Left limb Right limb
P 0.001 0.001 0.011 0.03
ICC/95% CI 0.922 (0.891–0.943) 0.92 (0.894–0.939) 0.906 (0.876–0.929) 0.91 (0.883–0.932)
LoA (%1RM) −22.52–16.27 −22.755–17.83 −18.53–22.88 −18.76–21.09
SEM (%1RM) 7 7.32 7.47 7.19
CV(%) 14.5 15.29 14.77 14.07

Notes.

LVP
load velocity profile
ILVP
individual load velocity profile
ICC
intraclass correlation
LoA
limit of agreement
SEM
standard error of measurement
CV
coefficient of variability