Skip to main content

Table 2 Comparison of muscles activity during single-leg standing and landing mechanics between participants with proper LPC and poor LPC

From: Effect of lumbopelvic control on landing mechanics and lower extremity muscles’ activities in female professional athletes: implications for injury prevention

  Poor LPC (n = 17) Proper LPC (n = 17) P-value ES
Mean SD Mean SD
Electromyography* (%MVIC)
GMed 5.89 2.22 8.47 4.12 0.032* 0.13
RF 3.23 1.52 5.21 6.06 0.20 0.05
ST 7.61 5.36 7.42 6.14 0.92 0.00
Landing mechanic
Trunk lateral flexion (°) 29.40 3.78 22.60 2.77 0.0001** 0.37
Knee abduction (°) 23.26 8.02 9.40 5.70 0.0001** 0.48
Trunk flexion (°) 74.66 11.17 87.40 15.49 0.015* 0.16
Knee flexion (°) 71.40 15.52 92.40 16.70 0.001** 0.28
Ankle dorsiflexion (°) 79.86 10.58 78.26 9.88 0.67 0.00
LESS (errors) 8.20 2.11 2.00 1.25 0.0001** 0.74
  1. LPC lumbopelvic control, SD standard deviation, ES effect size, GMed gluteus medius, RF rectus femoris, ST semitendinosus, MVIC maximum voluntary isometric contraction, LESS landing error scoring system. *Percent activation relative to MVIC. *P < 0.05; **P < 0.001