Skip to main content

Table 7 Calculated scapula stabilizer ratio (SR) for the muscle U.TA, L.TA and SA for all performed exercises (mean ± SD) in all the four conditions (pipes)

From: Neuromuscular shoulder activity during exercises with different combinations of stable and unstable weight mass

 Intra/Extra rotation (In/Ex)Abduction/Adduction (Ab/Ad)Flexion/Extension diagonal (F/E)
U.TA/L.TAU.TA/SAU.TA/L.TAU.TA/SAU.TA/L.TAU.TA/SA
P0.65 ± 0.52 a1.20 ± 1.251.32 ± 2.041.35 ± 1.360.94 ± 0.800.84 ± 0.67
PW0.68 ± 0.50 b1.09 ± 1.201.35 ± 1.771.36 ± 1.400.86 ± 0.600.80 ± 0.67
PG0.98 ± 0.861.10 ± 1.031.03 ± 0.731.21 ± 1.060.82 ± 0.460.90 ± 0.80
PWG1.08 ± 0.86 a, b1.07 ± 1.131.03 ± 0.731.31 ± 1.200.97 ± 0.560.89 ± 0.66
  1. P: empty pipe (0.5 kg); PG: weight (stable mass; 4.5 kg); PW: water (unstable mass; 1 kg); PWG: water + weight (unstable mass; 4.5 kg); U/L. TA: upper/lower trapezius; SA serratus anterior; Scapula stabilizer ratio: U.TA RMS (%MVIC)/L.TA RMS (%MVIC); U.TA RMS (%MVIC)/SA RMS (%MVIC); a,b: significant difference (p < 0.008)