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Table 5 Intra-assessor and inter-assessor coefficient of variation for the muscle agonist/antagonist ratios

From: Isometric Strength Database for Muscle Maximal Voluntary Endurance Field Tests: Normative Data

Agonist/antagonist ratios

CV (%)

Intra-assessor

CV (%)

Inter-assessor (B1-A2)

CV (%)

Inter-assessor (B2-A2)

Trunk flexor/back extensor

12.8

8.7

5.8

Left/right quadratus lumborum

10.6

6.4

10.7

Quadriceps/hamstrings

12.5

8.1

10.1

Chest muscles/back muscles

11.6

12.9

10.6

  1. CV coefficient of variation, B1 first assessment of assessor B, B2 second assessment of assessor B, A2 second assessment of assessor A