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. 2022 Feb 14;27(1):32. doi: 10.1177/17589983221074934

Table 3.2.

Differences between sessions one and two for the novel and traditional strength measures.

Mean ± SD (Kg) Session differences
Session 1 Session 2 S2-S1 (Kg) SEM ICC 95% CI CV%RMS MDC90 MDC90%
Novel strength measures
CON D 21.3 ± 11.6 21.2 ± 12.7 −0.13 1.68 0.98* 0.942–.993 9.3 2.26 11
ND 23.0 ± 14.1 22.4 ± 14.1 −0.52 1.84 0.98* 0.954–.976 12.2 2.48 11
ECC D 28.0 ± 13.8 27.2 ± 14.3 −0.75 1.96 0.98* 0.948–.993 8.7 2.64 9
ND 26.9 ± 13.5 25.4 ± 13.0 −1.51 2.42 0.97* 0.899–.989 11.6 3.26 12
POT D 27.1 ± 12.6 28.3 ± 11.5 1.19 3.52 0.92* 0.799–.971 13.5 4.74 18
ND 26.6 ± 12.0 27.9 ± 11.9 1.33 2.92 0.94* 0.915–.989 13.6 3.93 15
Traditional strength measures
HG D 34.7 ± 15.1 35.1 ± 14.4 0.39 2.34 0.98* 0.936–.991 6.4 3.15 9
ND 32.6 ± 16.6 33.6 ± 16.3 0.84 1.89 0.99* 0.965–.995 7 2.55 8
SA D 14.6 ± 6.5 14.4 ± 6.3 −0.16 1.69 0.93* 0.823–.975 11.4 2.27 16
ND 15.3 ± 6.7 15.2 ± 6.2 −0.10 1.69 0.94* 0.836–.977 10.3 2.28 15
SF D 17.3 ± 6.6 17.1 ± 7.1 −0.20 1.22 0.97* 0.909–.988 6.9 1.65 10
ND 17.7 ± 6.7 17.7 ± 7.2 −0.02 1.18 0.97* 0.917–.989 6.2 1.59 9
EE D 18.6 ± 7.3 18.9 ± 7.3 0.35 0.98 0.98* 0.952–994 5.5 1.32 7
ND 18.6 ± 7.6 19.5 ± 7.5 0.87 1.31 0.97* 0.920–.989 7.2 1.76 9

D: Dominant arm, ND: Non-dominant arm, CON: Concentric, ECC: Eccentric, POT: Push off Test, HG: Handgrip, SA: Shoulder abduction, SF: Shoulder flexion, EE: Elbow extension, SEM: Standard error of measurement, MDC: Minimal detectable change, ICC: Intraclass correlation coefficient, CI: Confidence interval, CV%RMS: Root-mean-squared coefficient of variation.

*Significant ICC test-retest reliability p < 0.001.